PUBLICATIONS

ORCID ID: https://orcid.org/0000-0002-4234-0228
Total Number of Citations : 900+
H-index : 12

Patents

1. S. Alkoy, “Fabrication of Crystallographically Textured Ceramics, Ceramic Fibers and Thin Ceramic Ribbons through Extrusion and Gelation of a Carrier Polymer”, Turkish Patent Institute, #2010/10140B , issued on October 23, 2017
2. Newnham, R.E., J.K. Cochran and S. Alkoy, “Hollow Sphere Transducers”, U.S. Patent #6,215,231 B1, issued on April 10, 2001.

Articles Published in Refereed International Journals (SCI-expanded)

1. I. Bobrek, A. Berksoy-Yavuz, M.Y. Kaya, S. Alkoy, M.B. Okatan, I.B. Misirlioglu, E. Mensur-Alkoy, “Temperature Dependent Electrical and Electrocaloric Properties of Textured 0.72PMN - 0.28PT Ceramics”, Ferroelectrics, accepted for publication (2021). Q4

2. N.K. Gozuacik, M.C. Bayir, E.Mensur-Alkoy and S. Alkoy, “Origin of the Large Field Induced Strain and Enhanced Energy Storage Response of Rare-Earth Doped Lead-Free 0.854BNT–0.12BKT–0.026BT Ceramics”, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, in press - available online (2021). Q1 https://doi.org/10.1109/TUFFC.2021.3063146

3. A. Berksoy-Yavuz, E. Mensur-Alkoy, E. Erdem, S. Alkoy, “Electrical properties, EPR analyses and defect chemistry of Mn-doped 0.675 PMN-0.325 PT piezoceramics”, Ceramics International, 46 (18), 28980-28986 (2020). Q1
https://doi.org/10.1016/j.ceramint.2020.08.069

4. E. Mensur-Alkoy, M.B. Okatan, E. Aydın, Y. Kılıç, I.B. Mısırlıoğlu, S. Alkoy, “Effect of Texture on the Electrical and Electrocaloric Properties of 0.90Pb(Mg1/3Nb2/3)O3-0.10PbTiO3 Relaxor Ceramics”, Journal of Applied Physics, 128 (8), 084102 (2020). Q1
https://doi.org/10.1063/5.0003296

5. A. Berksoy-Yavuz, U. Savacı, S. Turan, S. Alkoy and E. Mensur-Alkoy, “Structural Features and Energy Harvester Device Applications of Textured 0.675 PMN - 0.325 PT Piezoceramics”, Journal of Materials Science: Materials in Electronics, 31, 9650–9659 (2020). Q2
https://doi.org/10.1007/s10854-020-03510-8

6. E. Mensur-Alkoy, M.Y. Kaya, H.A. Sarı, O. Pekel, R. Olukkent, Y.K. Tur, T. Sebastian, F.J. Clemens, S. Alkoy, “Mechanical and electromechanical properties of piezoelectric ceramic fibers drawn by the alginate gelation method”, International Journal of Applied Ceramic Technology, 17 (3) 1371–1381 (2020). Q2
https://doi.org/10.1111/ijac.13405

7. Ö. Çakmak, E. Mensur-Alkoy, G. Toprak, Ö. Tuna & S. Alkoy, “Investigation of the electrical properties of textured 0.5[Ba(Zr0.2Ti0.8)]O3–0.5[(Ba0.7Ca0.3)TiO3] piezoceramics”, Journal of Materials Science: Materials in Electronics, 31 (5), 4184–4192 (2020). Q2
https://doi.org/10.1007/s10854-020-02971-1

8. S. Dursun, E. Mensur-Alkoy, M.U. Unver and S. Alkoy “Enhancement of electrical properties in the ternary PMN-PT-PZ through compositional variation, crystallographic texture, and quenching”, Journal of the American Ceramic Society, 103 (4) 2499-2508 (2020). Q1
https://doi.org/10.1111/jace.16919

9. A. Berksoy-Yavuz, E. Mensur-Alkoy, E. Gozutok, S. Dursun, H. Yilmaz, S. Alkoy, “Structural and electrical properties of <001> textured 0.26PIN–0.40PMN–0.34PT ternary system”, Journal of Materials Science: Materials in Electronics, 30 (20), 18548–18556 (2019). Q2
http://doi.org/10.1007/s10854-019-02208-w

10. N.K. Gözüaçık, E. Mensur-Alkoy, S. Alkoy, “Effects of lanthanum doping on electrical and electromechanical properties of (Pb1−xLax)(Zr0.70Ti0.30)O3 ceramics”, Journal of Materials Science: Materials in Electronics, 30 (15), 14045–14052 (2019). Q2
http://doi.org/10.1007/s10854-019-01769-0

11. M.Y. Kaya, E. Mensur-Alkoy, Aysel Gurbuz, Mehmet Oner, Sedat Alkoy, "Influence of Compositional Variation on the Electrical Properties of [Pb(Zn1/3Nb2/3)O3]-[Pb(Zr,Ti)O3] Ceramics and Their Transducer Application", IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 65 (7) , 1268 – 1277(2018). Q1
http://dx.doi.org/10.1109/TUFFC.2018.2829800

12. S. Dursun, E. Mensur-Alkoy, A.S. Sabuncu, A. Berksoy-Yavuz, M.A. Gülgün and S. Alkoy, “Growth of NBT template particles through topochemical microcrystal conversion and their structural characterization” Journal of the American Ceramic Society, 100 (3), 937–944 (2017). Q1
http://dx.doi.org/10.1111/jace.14653

13. S. Dursun, E. Mensur-Alkoy and S. Alkoy, “Fabrication of Textured Lead-free Strontium Barium Niobate (SBN61) Bulk Ceramics and Their Electrical Properties” Journal of the European Ceramic Society 36 (10) 2479–2487 (2016). Q1
http://dx.doi.org/10.1016/j.jeurceramsoc.2016.03.014

14. A. Mahmood, E. Mensur-Alkoy, A. Naeem, Y. Iqbal, A. Ullah, S. Alkoy, “Effect of La substitution on the microstructure and dielectric properties of the sol–gel derived BaZr0.2Ti0.8O3 thin films” Thin Solid Films 611, 68–73, (2016). Q2
http://dx.doi.org/10.1016/j.tsf.2016.05.008

15. E. Mensur-Alkoy, M.Y. Kaya, D. Avdan and S. Alkoy, “Properties of PZN-PZT Ceramics with Low Sintering Temperature and Their 1-3 Piezocomposites” IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control,63 (6) 907-914 (2016). Q1
http://dx.doi.org/10.1109/TUFFC.2016.2554319

16. A. Mahmood, A. Naeem, M.Y. Kaya, M. Yasin, E. Mensur-Alkoy and S. Alkoy, “Effect of Co/Mg ratio on the phase, microstructure, dielectric and impedance properties of lead zirconate titanate”, Journal of Materials Science – Materials in Electronics, 26 (12) 10123-10131 (2015). Q2
http://dx.doi.org/10.1007/s10854-015-3697-5

17. E. Mensur-Alkoy, A. Berksoy-Yavuz and S. Alkoy, “Processing and Properties of Textured Potassium Sodium Niobate [K,Na]NbO3 Ceramic Ribbons by Alginate Gelation Method”, Journal of the American Ceramic Society, 97 (11) 3425-3433 (2014). Q1
http://dx.doi.org/10.1111/jace.13139

18. Y. Özeren, E. Mensur-Alkoy and S. Alkoy, “Sodium niobate particles with controlled morphology synthesized by hydrothermal method and their use as templates in KNN fibers, Advanced Powder Technology, 25 (6) 1825-1833 (2014). Q1
http://dx.doi.org/10.1016/j.apt.2014.07.012

19. S. Alkoy, S. Dursun, “Processing and Properties of Textured Potassium Strontium Niobate (KSr2Nb5O15) Ceramic Fibers – Effect of Texture on the Electrical Properties”, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 60 (10) 2044-2052 (2013). Q1
http://dx.doi.org/10.1109/TUFFC.2013.2795

20. E. Menşur-Alkoy, A. Berksoy-Yavuz and S. Alkoy, “Electrical Properties and Impedance Spectroscopy of Lithium Modified Potassium Sodium Niobate Ceramics”, Ferroelectrics, 447 (1) 95-107 (2013). Q3
http://dx.doi.org/10.1080/00150193.2013.821914

21. S. Alkoy, E. Mensur-Alkoy, A. Berksoy-Yavuz, S. Dursun, R. Olukkent, Y. Özeren, “Macro and Microstructural Engineering of Piezoelectric Ceramics” Ferroelectrics, 453 (1), 8-19 (2013). Q3
http://dx.doi.org/10.1080/00150193.2013.842070

22. S. Dursun, R. Topkaya, N. Akdoğan, S. Alkoy, “Comparison of the structural and magnetic properties of submicron barium hexaferrite powders prepared by molten salt and solid state calcination routes”, Ceramics International, 38 (5) 3801-3806 (2012). Q2
http://dx.doi.org/10.1016/j.ceramint.2012.01.028

23. S. Alkoy, S. Dursun, “Processing and Properties of Textured Potassium Strontium Niobate (KSr2Nb5O15) Ceramic Fibers – Texture Development”, Journal of the American Ceramic Society, 95 (3) 937-945 (2012). Q1
http://dx.doi.org/10.1111/j.1551-2916.2011.04994.x

24. E. Mensur Alkoy, S. Alkoy and T. Shiosaki, “The Effect of Substrate and Processing Conditions on the Properties of Sol-gel Derived Pb(Zr,Ti)O3 Thin Films”, International Journal of Surface Science and Engineering , 6 (1/2) 24-34 (2012). Q3
http://dx.doi.org/10.1504/IJSURFSE.2012.046839

25. S. Alkoy, A.S. Tekdaş, E. Tekel and R. Olukkent, “Drawing of Piezoceramic Fibers and Ribbons using a Novel Alginate Gelation Method and Properties of Fiber and Ribbon-based Piezodevices”, Advanced Materials Research, 445 pp. 380-385 (2012). Q4
http://dx.doi.org/10.4028/www.scientific.net/AMR.445.380

26. S. Dursun and S. Alkoy, “Processing, Structural and Electrical Properties of Textured Potassium Strontium Niobate (KSr2Nb5O15) Piezoceramic Fibers”, Advanced Materials Research, 445 pp. 481-486 (2012). Q4
http://dx.doi.org/10.4028/www.scientific.net/AMR.445.481

27. S. Dursun, S. Alkoy, “Electrical Properties of 1-3 Piezocomposites Prepared from Textured KSr2Nb5O15 (KSN) Ceramic Fibers” Ferroelectrics, 420 (1) 12-18 (2011). Q3
http://dx.doi.org/10.1080/00150193.2011.594770

28. D. Teker, C.P. Sağ, M. Dinçer, S. Alkoy and K. Öztürk, “Effect of the Hydrothermal Heat Treatment Conditions of Titanium Substrates on the Bio-Mimetically Grown “Bone-Like” Apatite Coatings”, Advances in Science and Technology, 63 402-407 (2010).
http://dx.doi.org/10.4028/www.scientific.net/AST.63.402

29. S. Alkoy, R.J. Meyer, W.J. Hughes, J.K. Cochran, R.E. Newnham, “Design, performance and modeling of piezoceramic hollow-sphere microprobe hydrophones”, Measurement Science & Technology, 20 (9) #095204 (2009). Q1
http://dx.doi.org/10.1088/0957-0233/20/9/095204

30. S. Alkoy, C. Duran, D.A. Hall, “ Electrical properties of textured potassium strontium niobate (KSr2Nb5O15) ceramics fabricated by reactive templated grain growth”, Journal of the American Ceramic Society, 91 (5) 1597-1602 (2008). Q1
http://dx.doi.org/10.1111/j.1551-2916.2008.02342.x

31. S. Alkoy, “Fabrication and Properties of Thin-Shell Monolithic Piezoelectric Ceramic Transducers”, Journal of Materials Science, 42 (16) 6742-6748 (2007). Q2
http://dx.doi.org/10.1007/s10853-006-1477-6

32. E. Mensur Alkoy, S. Alkoy and T. Shiosaki, “The Effect of Crystallographic Orientation and Solution Aging on the Electrical Properties of Sol–Gel Derived Pb(Zr0.45Ti0.55)O3 Thin Films” Ceramics International, 33 (8) 1455-1462 (2007). Q1
http://dx.doi.org/10.1016/j.ceramint.2006.06.010

33. S. Alkoy, H. Yanik, B. Yapar, “Fabrication of lead zirconate titanate ceramic fibers by gelation of sodium alginate” Ceramics International, 33 (3) 389-394 (2007). Q1
http://dx.doi.org/10.1016/j.ceramint.2005.09.021

34. S. Alkoy, E. Mensur Alkoy, K. Uchiyama, T. Shiosaki, “Fatigue Behaviour of Pb(Zr,Ti)O3/PbZrO3 Multilayer Ferroelectric Thin Films”, Japanese Journal of Applied Physics, 45 (9B) 7275-7278 (2006). Q1
http://dx.doi.org/10.1143/JJAP.45.7275

35. E. Mensur Alkoy, S. Alkoy, K. Uchiyama, T. Shiosaki, “Increased fatigue endurance in Pb(Zr,Ti)O3 thin films through use of PbZrO3 buffer layers”, Japanese Journal of Applied Physics, 45 (6A) 5110-5116 (2006). Q1
http://dx.doi.org/10.1143/JJAP.45.5110

36. E. Mensur Alkoy, S. Alkoy, K. Uchiyama, T. Shiosaki, “Improving fatigue resistance of Pb(Zr,Ti)O3 thin films by using PbZrO3 buffer layers”, Journal of Applied Physics, 99 (10) #106106 (2006). Q1 http://dx.doi.org/10.1063/1.2195116

37. E. Mensur Alkoy, S. Alkoy, T. Shiosaki, “Investigation of the electrical properties of [111] oriented PbZrO3 thin films obtained by sol-gel process”, Japanese Journal of Applied Physics, 45 (5A) 4137-4142 (2006). Q1 http://dx.doi.org/10.1143/JJAP.45.4137

38. S. Alkoy, “Analysis of Thin-Shell Piezoelectric Ceramics with Engineered Resonance Characteristics and Vibration Modes”, Japanese Journal of Applied Physics - Part 2, 45 (8-11) L272-L274 (2006). Q1 http://dx.doi.org/10.1143/JJAP.45.L272

39. E. Mensur Alkoy, S. Alkoy, T. Shiosaki, “Microstructure and crystallographic orientation dependence of electrical properties in lead zirconate thin films prepared by sol–gel process”, Japanese Journal of Applied Physics, 44 (12) 8606-8612 (2005). Q1
http://dx.doi.org/10.1143/JJAP.44.8606

40. E. Mensur Alkoy, S. Alkoy, T. Shiosaki, “Effects of Ce, Cr and Er doping and annealing conditions on the microstructural features and electrical properties of PbZrO3 thin films prepared by sol-gel process”, Japanese Journal of Applied Physics, 44 (9A) 6654-6660 (2005). Q1
http://dx.doi.org/10.1143/JJAP.44.6654

41. S.A. Yesilcubuk, S. Alkoy, O. Addemir, K. Sesen, A. Oral, “Preparation and characterization of CuxO/Cu thin films by reactive d.c. magnetron sputtering”, Key Engineering Materials, 264-268 pp. 569-572 (2004). Q3
http://dx.doi.org/10.4028/www.scientific.net/0-87849-946-6/569

42. T. Tavsanoglu, O. Addemir, E. Basaran, S. Alkoy, “Processing and characterization of functionally graded Ti/TixCy/DLC thin film coatings”, Key Engineering Materials, 264-268 pp. 593-596 (2004). Q3
http://dx.doi.org/10.4028/www.scientific.net/KEM.264-268.593

43. K. Yurdal, C. Duran, S. Alkoy, H.I. Bakan, “Texture development in KSr2Nb5O15 ceramics fabricated by reactive templated grain growth”, Key Engineering Materials, 264-268 pp. 1285-1288 (2004). Q3
http://dx.doi.org/10.4028/www.scientific.net/KEM.264-268.1285

44. D. Abanoz, H. Yanik, A. Capoglu, S. Alkoy, “Gelcasting of Pb(Zr,Ti)O3 based piezoelectric ceramics”, Key Engineering Materials, 264-268 pp. 1293-1296 (2004). Q3
http://dx.doi.org/10.4028/www.scientific.net/0-87849-946-6/1293/

45. R.E. Newnham, W.J. Hughes, D.C. Markley, R.J. Meyer, S. Alkoy, A.C. Hladky-Hennion, J.D. Zhang, “Cymbal and BB flat panel and conformal sonar arrays”, Sea Technology, 43 (11) 29-38 (2002). Q2

46. R.E. Newnham, J. Zhang, S. Alkoy, R. Meyer, W.J. Hughes, A.C. Hladky-Hennion, J. Cochran, D. Markley, “Cymbal and BB underwater transducers and arrays”, Materials Research Innovations, 6 (3) 89-91 (2002). Q2
http://dx.doi.org/10.1007/s10019-002-0187-1

47. R.E. Newnham, J.D. Zhang, R.J. Meyer, S. Alkoy, J. Cochran, D.C. Markley, “Processing of miniature hollow sphere transducers”, Integrated Ferroelectrics, 42 235-243 (2002). Q2
http://dx.doi.org/10.1080/10584580210859

48. R.J. Meyer, R. Newnham, S. Alkoy, T. Ritter, J. Cochran, “Pre-focused lead titanate > 25 MHz single-element transducers from hollow spheres”, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 48 (2) 488-493 (2001). Q1
http://dx.doi.org/10.1109/58.911731

49. J.F. Tressler, S. Alkoy, A. Dogan, R.E. Newnham, “Functional composites for sensors, actuators and transducers”, Composites Part A – Applied Science & Manufacturing, 30 (4) 477-482 (1999). Q1
http://dx.doi.org/10.1016/S1359-835X(98)00137-7

50. S. Alkoy, A.C. Hlakdy, A. Dogan, J.K. Cochran, R.E. Newnham, “Piezoelectric hollow spheres for microprobe hydrophones”, Ferroelectrics, 226 (1-4) 11-25 (1999). Q3
http://dx.doi.org/10.1080/00150199908230286

51. J.F. Tressler, S. Alkoy, R.E. Newnham, “Piezoelectric sensors and sensor materials”, Journal of Electroceramics, 2, (4), 257-272 (1998).
http://dx.doi.org/10.1023/A:1009926623551

52. S. Alkoy, A. Dogan, A.C. Hlakdy, P. Langlet, J.K. Cochran, R.E. Newnham, “Miniature piezoelectric hollow sphere transducers (BBs)”, IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 44 (5) 1067-1076 (1997).
http://dx.doi.org/10.1109/58.655632

53. S. Alkoy, C. Toy, T. Gonul, A. Tekin “Crystallization behavior and characterization of turbostratic boron nitride”, Journal of the European Ceramic Society, 17 (12) 1415-1422 (1997).
http://dx.doi.org/10.1016/S0955-2219(97)00040-X

Papers Published in Proceedings of International Conferences and Book Series (SCI-expanded)

54. N. K. Gozuacik, E. Mensur-Alkoy and S. Alkoy, "Effects of Rare Earth Doping on the Electrical and Electromechanical Properties of Lead-Free Bi0.487Na0.427K0.060Ba0.026TiO3 Ceramics," 2019 IEEE International Symposium on Applications of Ferroelectrics (ISAF), Lausanne, Switzerland, 2019, pp. 1-4.
http://dx.doi.org/10.1109/ISAF43169.2019.9034931

55. E. Mensur-Alkoy, M.Y. Kaya, D. Avdan, M.U. Ünver, S. Alkoy, “Fabrication of Piezoelectric Ceramic Hollow Fibers with Low Sintering Temperature and Their Characterization”, Proc. 2014 Joint IEEE International Symposium on the Applications of Ferroelectric, International Workshop on Acoustic Transduction Materials and Devices & Workshop on Piezoresponse Force Microscopy (ISAF/IWATMD/PFM), pp. 150-153, State College, PA, USA, May 12-16 (2014). http://dx.doi.org/10.1109/ISAF.2014.6922995

56. E. Mensur-Alkoy, Y. Ozeren, S. Alkoy, “Synthesis of needle-like NaNbO3 particles by hydrothermal process”, Proc. 22nd IEEE Int. Symposium on Applications of Ferroelectrics and Workshop on the Piezoresponse Force Microscopy (ISAF/PFM), pp.96-99, Prag, Czech Republic (2013).
http://dx.doi.org/10.1109/ISAF.2013.6748693

57. S. Alkoy, A. Berksoy-Yavuz, E. Mensur-Alkoy, “Fabrication of random and textured lead-free (K,Na)NbO3 in ribbon form”, Proc. 22nd IEEE Int. Symposium on Applications of Ferroelectrics and Workshop on the Piezoresponse Force Microscopy (ISAF/PFM), pp.141-144, Prag, Czech Republic (2013).
http://dx.doi.org/10.1109/ISAF.2013.6748692

58. E. Mensur-Alkoy , A. Berksoy-Yavuz, S. Alkoy, “Modified lead-free potassium sodium niobate (KNN) and their properties”, 2012 IEEE International Ultrasonics Symposium (IUS), pp. 1-4, Dresden, Germany (2012)
http://dx.doi.org/10.1109/ULTSYM.2012.0555

59. S. Alkoy and S. Dursun, “Textured Lead-Free KSr2Nb5O15 Piezoelectric Ceramics, Fibers and Piezocomposites – Processing and Properties”, Proc. 21th IEEE Int. Symposium on Applications of Ferroelectrics, pp.1-4, Aveiro, Portugal (2012).
http://dx.doi.org/10.1109/ISAF.2012.6297786

60. M.Y. Kaya and S. Alkoy, “Synthesis of Anisometric Particles and Preparation of Textured Electroceramics by Gelcasting under Magnetic Fields”, Proc. 21th IEEE Int. Symposium on Applications of Ferroelectrics, pp.1-4, Aveiro, Portugal (2012).
http://dx.doi.org/10.1109/ISAF.2012.6297787

61. E.M. Alkoy, A.B. Yavuz, D. Avdan, S. Alkoy, “Electrical Properties and Impedance Spectroscopy of Modified Potassium Sodium Niobate Ceramics”, Proc. 21th IEEE Int. Symposium on Applications of Ferroelectrics, pp.1-4, Aveiro, Portugal (2012).
http://dx.doi.org/10.1109/ISAF.2012.6297815

62. S. Alkoy & M.Y. Doğan, “Electrical Properties of 0-3 Piezocomposites with Thermoplastic Elastomer and Epoxy Matrix”, Proc. 19th IEEE Int. Symposium on Applications of Ferroelectrics, pp. 1-4, Edinburgh, U.K. (2010).
http://dx.doi.org/10.1109/ISAF.2010.5712268

63. S. Alkoy and C. Gol, “Preparation of Solid and Hollow Piezoelectric Ceramic Fibers and Springs Using a Novel Alginate Gelation Method”, Proc. 2009 IEEE Int. Ultrasonics Symposium, pp. 1711-1714, Rome, Italy (2009).
http://dx.doi.org/10.1109/ULTSYM.2009.5441795

64. S. Alkoy and M.Y. Kaya, “Gelation Behavior and Properties of Lead Zirconate Titanate Gel-Cast under an Electric Field”, Proc. 2009 IEEE Int. Ultrasonics Symposium, pp. 948-951, Rome, Italy (2009).
http://dx.doi.org/10.1109/ULTSYM.2009.5441863

65. A. Hladky, S. Alkoy, D. Markley, R.E.Newnham, R. Meyer, W.J.Hughes, J.K. Cochran, “Analysis of transducers arrays from piezoelectric hollow spheres” Proc. 2002 IEEE Int. Ultrasonics Symposium, pp. 1239-1242, Munich, Germany (2002).
http://dx.doi.org/10.1109/ULTSYM.2002.1192518

66. R.E. Newnham, S. Alkoy, A. Hladky, W.J. Hughes, D.C. Markley, R.J. Meyer, J. Zhang, “Underwater flat-panel transducer arrays”, Proc. MTS-IEEE Oceans 2001 Conference, pp. 1529-1535, Honolulu-HW, USA (2001).
http://dx.doi.org/10.1109/OCEANS.2001.968060

67. S. Alkoy, R.J. Meyer, A. Hladky, W. Jack Hughes, J.K. Cochran, R.E. Newnham, “Transducer arrays from piezoelectric hollow spheres”, Proc. 12th IEEE Int. Symposium on Applications of Ferroelectrics, pp. 737-740, Honolulu-HW, USA (2001).
http://dx.doi.org/10.1109/ISAF.2000.942425

68. R.J. Meyer, S. Alkoy, W. Chen, T. Ritter, R. Newnham, “High frequency imaging transducers from hollow spheres”, Proc. 12th IEEE Int. Symposium on Applications of Ferroelectrics, pp. 741-744, Honolulu-HW, USA (2001).
http://dx.doi.org/10.1109/ISAF.2000.942426

69. R.J. Meyer, S. Alkoy, J.K. Cochran, R.E. Newnham, “Development of materials and composites for > 25 MHz single element transducers”, Proc. 1999 IEEE Int. Ultrasonics Symposium, pp. 1299-1302, Tahoe-NV, USA, (1999).
http://dx.doi.org/10.1109/ULTSYM.1999.849235

70. B. Koc, S. Alkoy, K. Uchino, “A circular piezoelectric transformer with crescent shape input electrodes,” Proc. 1999 IEEE Int. Ultrasonics Symposium, pp. 931-934, Tahoe-NV, USA (1999).
http://dx.doi.org/10.1109/ULTSYM.1999.849141

71. A. Hladky, R. Bossut, S. Alkoy, P. Lopath, R.E. Newnham, “Finite element modeling of transduction materials with application to piezoelectric hollow sphere transducers” Proc. 1998 IEEE Int. Frequency Control Symposium, pp. 709 -714, Pasadena-CA, USA (1998).
http://dx.doi.org/10.1109/FREQ.1998.717978

72. S. Alkoy, J.K. Cochran, R.E. Newnham, “Miniature hydrophones from hollow ceramic spheres”, Proc. 11th IEEE Int. Symposium on Applications of Ferroelectrics, pp. 345-348, Montreux, Switzerland (1998).
http://dx.doi.org/10.1109/ISAF.1998.786704

73. S. Alkoy, P.D. Lopath, A. Hladky, J.K. Cochran, R.E. Newnham, “Focused spherical transducers for ultrasonic imaging”, Proc. 1997 IEEE Int. Ultrasonics Symposium, pp. 991-994, Toronto, Canada (1997).
http://dx.doi.org/10.1109/ULTSYM.1997.661747

74. S. Alkoy, A. Dogan, A. Hladky, J.K. Cochran, R.E. Newnham “Vibration modes of PZT hollow sphere transducers”, Proc. 10th IEEE Int. Symposium on Applications of Ferroelectrics, pp. 519-522, E. Brunswick-NJ, USA (1996).
http://dx.doi.org/10.1109/ISAF.1996.602803

75. S. Alkoy, A. Dogan, A. Hladky, P. Langlet, J.K. Cochran, R.E. Newnham, “Miniature piezoelectric hollow sphere transducers”, Proc. 1996 IEEE Int. Frequency Control Symposium, pp. 586-594, Honolulu-HW, USA (1996).
http://dx.doi.org/10.1109/FREQ.1996.559930

Book Chapters

S. Alkoy, “Sensors, Smart Materials and Systems”, (Author: Prof. Dr. Ahmet Ayhan), Science and Technology in Turkey, and Future Technologies, p. 389-395, Beta, Istanbul, Turkey, ISBN 975-92950-0-8 (2002)

Papers Published in Proceedings Books of International Conferences

1. Havva Bayindir, Ayse Berksoy-Yavuz, M. Yunus Kaya, Sedat Alkoy, Ebru Mensur-Alkoy, “Lead Free Modified KNN Composition for a New Transducer Design”, Proceedings of the International Materials Technologies and Metallurgy Conference 2019, Istanbul, Turkey, pp.36-39 (2019).

2. Yusuf Kilic, Sedat Alkoy, Ayse Berksoy-Yavuz and Ebru Mensur-Alkoy, “Preperation and Characterization of Microstructurally Engineered Textured 0.9PMN-0.1PT Piezoelectric Ceramics”, Proceedings of the International Materials Technologies and Metallurgy Conference 2019, Istanbul, Turkey, pp. 40-43 (2019).

3. Ayse Berksoy-Yavuz, M. Yunus Kaya, Sinan Dursun, Ebru Mensur-Alkoy, Sedat Alkoy, “Dielectric and Piezoelectric Response of Textured Lead Free 0.94NBT 0.06BT System”, Proceedings of the International Materials Technologies and Metallurgy Conference 2019, Istanbul, Turkey, pp.59-62 (2019).

4. Hüseyin Alptekin Sari, Ebru Menşur-Alkoy, Sedat Alkoy, “Fabrication & Characterization of Antiferroelectric PZSnT Bulk Ceramics”, Proceedings of the International Materials Technologies and Metallurgy Conference 2019, Istanbul, Turkey, pp.67-70 (2019).

5. Gözde Toprak, Ömer Cakmak, Sedat Alkoy, Ebru Mensur-Alkoy, “Electrical Properties of Random and Textured 0.8Ba(Zr0.15Ti0.85)O3 0.2(Ba0.8Ca0.2)TiO3 Piezoelectric Ceramics Near the Triple Point”, Proceedings of the International Materials Technologies and Metallurgy Conference 2019, Istanbul, Turkey, pp.71-74 (2019).

6. Mustafa Yunus Kaya, Hüseyin Alptekin Sari, Ebru Menşur-Alkoy, Sedat Alkoy, “Structural and Electrical Properties of 0.65PNN 0.35PZT Ceramic Composition”, Proceedings of the International Materials Technologies and Metallurgy Conference 2019, Istanbul, Turkey, pp.79-82 (2019).

7. S. Alkoy and C. Gol, “Fabrication and properties of solid and hollow piezoelectric fibers, springs and 1-3 piezocomposites”, Extended Abstracts of the 26th Meeting on Ferroelectric Materials and Their Applications, Kyoto, Japan, pp.117-118 (2009).

8. S. Alkoy, E. Mensur Alkoy, K. Uchiyama, T. Shiosaki, “Fatigue Behaviour of Pb(Zr,Ti)O3/PbZrO3 Multilayer Ferroelectric Thin Films”, Extended Abstracts of the 23rd Meeting on Ferroelectric Materials and Their Applications, Kyoto, Japan, pp.179-180 (2006).

9. E. Mensur Alkoy, S. Alkoy, T. Shiosaki, “Microstructure and electrical property relationship in Ce, Cr, Er doped lead zirconate thin films prepared by sol–gel process”, Extended Abstracts of the 22nd Meeting on Ferroelectric Materials and Their Applications, Kyoto, Japan, pp.179-180 (2005).

10. R.E. Newnham, S. Alkoy, A.-C. Hladky-Hennion, W.J. Hughes, R.J. Meyer, Jr., D.C. Markley, and J. Zhang “Underwater Flat-Panel Transducer Arrays,” Proceedings of the 6th Congress of the French Acoustical Society (Actes du 6e Congrès Français d’Acoustique), pp. I-VII, Lille, France (2002).

11. A. Hladky, S. Alkoy, D.C. Markley, R.J. Meyer, Jr., W.J. Hughes, J.K. Cochran, Jr., R.E. Newnham, “Etude et réalization de transducers millimétriques”, Proceedings of the 6th Congress of the French Acoustical Society (Actes du 6e Congrès Français d’Acoustique), pp. 256-259, Lille, France (2002).

12. R.E. Newnham, J. Zhang, S. Alkoy, R.J. Meyer, W.J. Hughes, A. Hadky, J.K. Cochran, D. Markley, “Cymbal and BB underwater transducers and arrays”, Proc. 10th US-Japan Seminar on Dielectric and Piezoelectric Ceramics, pp. 305-307, Providence-RI, USA (2001).

13. J.F. Tressler, S. Alkoy, A. Dogan, R.E. Newnham, “Functional composites for sensors, actuators and transducers”, Proc. 6th Int. Symposium on Ceramic Materials and Components for Engines, pp. 79-84, Arita, Japan (1997).

14. S. Alkoy, S. Pekin, C. Toy, A. Tekin, “Turbostratic-hexagonal structure transition in hexagonal BN synthesis”, Proc. 3rd European Ceramic Society Conference, vol.1, pp. 119-124, Iberica, Spain (1993).

Papers Published in Refereed National Journals

1. M.Y. Kaya, M.G. Özyazıcı, E. Mensur-Alkoy, S. Alkoy, “Electrical and Electromechanic Properties of Lead Nickel Niobate-Lead Zirconate Titanate Ceramic Composition and Its Transducer Application”, Afyon Kocatepe University Journal of Science and Engineering, 19 (Special Issue), 294-301, (2019).

2. A. Berksoy-Yavuz, M.Y. Kaya, E. Mensur-Alkoy, S. Alkoy, “An Investigation on Structural and Electrical Properties of PMN-PNN-PZN-PT Quaternary Solid Solution System”, Afyon Kocatepe University Journal of Science and Engineering, 19 (Special Issue), 286-293, (2019).

3. S. Alkoy, “Micro and Macroscale Engineering of Electroceramics”, Afyon Kocatepe University Journal of Science and Engineering, 14, 261-266 (2014).

4. S. Dursun, E. Mensur Alkoy and S. Alkoy, “Fabrication of [001] Textured KSr2Nb5O15 (KSN) Piezoelectric Ceramics in Fiber Form by a Combination of Alginate Gelation Method and Templated Grain Growth and their Electrical Characterization”, Afyon Kocatepe University Journal of Science and Engineering, 14, 49-54 (2014).

5. Y. Özeren, E. Mensur-Alkoy, S. Alkoy, “Synthesis of Needle-like NaNbO3 Antiferroelectric Crystals by Hydrothermal Process and Structural Characterization”, Afyon Kocatepe University Journal of Science and Engineering, 14, 55-60 (2014).

6. A. Berksoy-Yavuz, S. Alkoy, E. Mensur-Alkoy, “Electrical Properties and Impedance Spectroscopy of Lithium Doped Potassium Sodium Niobate (KNN) based Ceramics”, Afyon Kocatepe University Journal of Science and Engineering, 14, 61-66 (2014).

7. A. Berksoy-Yavuz, U. Başaran, S. Alkoy, E. Mensur-Alkoy, “Synthesis of Antiferroelectric NaNbO3 Crystals Obtained by Two-Stage Molten Salt and Topochemical Crystal Transformation Processes and their Structural Characterization”, Afyon Kocatepe University Journal of Science and Engineering, 14, 67-71 (2014).

8. Y. Özeren, A. Berksoy-Yavuz, S. Alkoy, E. Mensur-Alkoy, “Structural and Dielectric Properties of Lead-Free Sodium Bismuth Titanate (NBT) Ceramics and their Impedance Spectroscopy Analysis”, Afyon Kocatepe University Journal of Science and Engineering, 14, 73-78 (2014).

9. S. Dursun, T. Sis, E. Mensur Alkoy and S. Alkoy, “Molten Salt Synthesis and Structural Characterization of Ferroelectric Compounds with Tetragonal Tungsten Bronze Structure in Anisometric Morphologies” accepted for publication, Afyon Kocatepe University Journal of Science and Engineering, (2014).

Papers Published in Proceeding Books of National Conferences

1. S. Dursun and S. Alkoy, “A novel route to fabricate [001] textured fiber KSr2Nb5O15 piezoelectric ceramics and 1-3 textured piezocomposites”, Proceedings of the 16th International Metallurgy and Materials Congress, pp. , Istanbul, Turkey, September 13-15 (2012).

2. A. Berksoy-Yavuz, Y. Özeren, H. Yılmaz, S. Alkoy, E. Mensur-Alkoy, “Processing of lead-free sodium bismuth titanate piezoelectric ceramics and their electrical properties”, Proceedings of the 16th International Metallurgy and Materials Congress, pp. , Istanbul, Turkey, September 13-15 (2012).

3. A.S. Tekdaş, C. Göl, E. Tekel and S. Alkoy, “Shaping of Piezoelectric ceramics in Fiber Form by Alginate Gellation Method”, Proceedings of the 15th International Metallurgy and Materials Congress, pp. , Istanbul, Turkey, November 11-13 (2010).

4. D. Abanoz, H. Yanık, A. Çapoğlu and S. Alkoy, “Shaping of Pb(Zr,Ti)O3 based piezoelectric ceramics through gelcasting method”, Proceedings of the 11th International Metallurgy and Materials Congress, p. 804-810, Istanbul, Turkey, June 5-9 (2002).

5. T. Tavşanoğlu, O. Addemir, E. Başaran and S. Alkoy, “Deposition of functionally graded Ti/TixCy/DLC thin film coatings by reactive DC magnetron sputtering/PECVD hybrid technique and their characterization”, Proceedings of the 11th International Metallurgy and Materials Congress, p. 1816-1823, Istanbul, Turkey, June 5-9 (2002).

6. A. Yeşilçubuk, A.Y. Oral, S. Alkoy and K. Şeşen, “Effect of deposition conditions on the properties of copper oxide thin films coated on n-type silicon substrates using reactive DC magnetron sputtering/PECVD hybrid technique”, Proceedings of the 11th International Metallurgy and Materials Congress, p. 1824-1829, Istanbul, Turkey, June 5-9 (2002).

7. R.E. Newnham, S. Alkoy, A. Dogan, A. Amin, “Structure-property relations in smart materials”, Proceedings of the 10th International Metallurgy and Materials Congress, pp. 1385-1400, Istanbul, Turkey, May 24-28 (2000).

8. S. Alkoy, A. Dogan, A. C. Hladky and R. E. Newnham, “Piezoelectric hollow spheres”, Proceedings of the 3rd Ceramics Congress organized by the Turkish Ceramic Society, pp. 363-371, Istanbul, Turkey, October 22-25 (1996).

9. S. Alkoy, Ş. Pekin, Ç. Toy and A. Tekin, “Microstructural Characterization and Crystallographic Structure Transformation in Boron Nitride” Proceedings of the 7th International Metallurgy and Materials Congress, pp. 957-65, Ankara, Turkey, May 4-8 (1993).

Conference Presentations

1. S. Alkoy, S. Dursun, A. Berksoy-Yavuz, E. Mensur-Alkoy, “Development of Texture in PMN-PT and PMN-PZT Piezoelectric Ceramics and Their High Power Applications”, TO-BE Spring Meeting 2016, University of Warwick, England, 6-8 Kasım 2016 (P).
2. E. Mensur-Alkoy, M.Y. Kaya, S. Alkoy, “Structural and Electrical Properties of Lead Based PZN-PZT Ceramics with Low Sintering Temperature and Their 1-3 Piezocomposites”, TO-BE Spring Meeting 2016, University of Warwick, England, 6-8 Kasım 2016 (P).
3. A. Mahmood , E. Mensur-Alkoy, A.Naeem, S. Alkoy, “Impedance, Modulus and Conductivity Investigation on the Systematically Cobalt Doped Sol-Gel Derived PbTi0.5(Zr1-xCox)0.5O3-δ Ceramics”, TO-BE Spring Meeting 2016, University of Warwick, England, 6-8 Kasım 2016 (P).
4. S. Dursun, E. Mensur-Alkoy, A. Sabuncu, A. Berksoy-Yavuz, S. Alkoy, “Fabrication of Lead-free Platelike Na0.5Bi0.5TiO3 Particles by Topochemical Microcrystal Conversion”. 9th International Ceramics Congress, Afyon, Turkey, 26-28 Kasım 2015. (O)
5. E. Mensur-Alkoy, S. Alkoy, M.Y. Kaya, “Fabrication of Lead-Based Piezoceramic Fibers and Properties of Their Composites”, 9th International Ceramics Congress, Afyon, Turkey, 26-28 Kasım 2015. (O)
6. K. Koçak, E. Mensur-Alkoy, S. Alkoy, “Design and Fabrication of a Mini Tonpilz Transducer from Piezoelectric Ceramics”, 9th International Ceramics Congress, Afyon, Turkey, 26-28 Kasım 2015. (O)
7. A. Berksoy-Yavuz, E. Mensur-Alkoy, S. Alkoy, “Fabrication of Textured 67.5PMN-32.5PT Ceramics and Their Characterization”, 9th International Ceramics Congress, Afyon, Turkey, 26-28 Kasım 2015. (O)
8. M. Ü. Ünver, S. Dursun, E. Mensur-Alkoy, S. Alkoy, “Fabrication of High-Power Textured Piezoelectric PMN-PZT Ceramics”, 9th International Ceramics Congress, Afyon, Turkey, 26-28 Kasım 2015. (O)
9. M.Y. Kaya, E. Mensur-Alkoy, S. Alkoy, “Structural and Electrical Properties of the Lead Zinc Niobate-Lead Zirconate Titanate (PZN-PZT) Ternary System”, 9th International Ceramics Congress, Afyon, Turkey, 26-28 Kasım 2015. (O)
10. M.Ü. Ünver, S. Dursun, E. Mensur-Alkoy, S. Alkoy, “Processing and Electrical Properties of Pb(Mg1/3Nb2/3)-PbTiO3-PbZrO3 (PMN-PZT)”, 9th International Ceramics Congress, Afyon, Turkey, 26-28 Kasım 2015. (O)
11. E. Mensur-Alkoy, M.Y. Kaya, D. Avdan, M.U. Ünver, S. Alkoy, “Fabrication of Piezoelectric Ceramic Hollow Fibers with Low Sintering Temperature and Their Characterization”, 2014 Joint IEEE International Symposium on the Applications of Ferroelectric, International Workshop on Acoustic Transduction Materials and Devices & Workshop on Piezoresponse Force Microscopy (ISAF/IWATMD/PFM), State College, PA, USA, May 12-16, 2014 (O).
12. S. Alkoy, S. Dursun, “Textured Lead-Free Strontium Barium Niobate (SBN61) Bulk Ceramics”, 2014 Joint IEEE International Symposium on the Applications of Ferroelectric, International Workshop on Acoustic Transduction Materials and Devices & Workshop on Piezoresponse Force Microscopy (ISAF/IWATMD/PFM), State College, PA, USA, May 12-16, 2014 (O).
13. S. Alkoy, E. Mensur-Alkoy, R. Olukkent, S. Dursun, A. Berksoy-Yavuz, M.Y. Kaya, and I. Dursun, “Continuous Fabrication Piezoceramic Fibers and Ribbons by a Novel Alginate Gelation Method and Their Electrical Properties”, 2014 Joint IEEE International Symposium on the Applications of Ferroelectric, International Workshop on Acoustic Transduction Materials and Devices & Workshop on Piezoresponse Force Microscopy (ISAF/IWATMD/PFM), State College, PA, USA, May 12-16, 2014 (P).
14. S. Alkoy, E. Mensur-Alkoy, R. Olukkent, S. Dursun, A. Berksoy-Yavuz, M.Y. Kaya, “Continuous Fabrication of Piezoceramic Fibers and Ribbons by a Novel Alginate Gelation Method and Electrical Properties of 1-3 Piezocomposites”, Electronic Materials and Applications 2014 Conference (EMA2014), Orlando, FL, USA, January 22 – 24, 2014 (O).
15. E. Mensur-Alkoy, A. Berksoy-Yavuz, S. Alkoy, “Fabrication of Textured Lead-free (K,Na)NbO3 Ceramics by Alginate Gelation and Templated Grain Growth”, Electronic Materials and Applications 2014 Conference (EMA2014), Orlando, FL, USA, January 22 – 24, 2014 (P).
16. E. Mensur-Alkoy, A. Berksoy-Yavuz, S. Alkoy, Processing and Properties of Random and Textured Lead-Free Ceramics and Fibers”, 8th Asian Meeting on Ferroelectrics, Pattaya, Thailand, Dec. 9-14, 2012 (O).
17. H. Khassaf, B. Misirlioglu, E.M. Alkoy and S. Alkoy, “Effect of A-Site Doping Using Various Elements on the Phase Transition Temperatures in Perovskite Multiferroic BiFeO3 of Thin Films”, 2011 MRS Fall Meeting and Exhibit, Symposium P: Ferroelectric and Multiferroic Materials, Boston, USA, November 28 - December 2, 2011 (O).
18. S. Alkoy, S. Dursun and M.Y. Kaya, “Molten Salt Synthesis of Anisometric Particles and Preparation of Textured Electroceramics with Anisotropic Properties”, SERES 11 - II. International Ceramic, Glass, Porcelain Enamel, Glaze and Pigment Congress, Eskişehir, Turkey, October 10-12, 2011 (O).
19. S. Dursun and S. Alkoy, “001 fiber textured KSr2Nb5O15 piezoelectric ceramics and 1-3 piezocomposites”, SERES 11 - II. International Ceramic, Glass, Porcelain Enamel, Glaze and Pigment Congress, Eskişehir, Turkey, October 10-12, 2011 (O).
20. S. Alkoy and S. Dursun, “Development of Texture in KSr2Nb5O15 Piezoelectric Ceramic Fibers Drawn by the Alginate Gelation Process”, 12th Conference of the European Ceramic Society, Stockholm, Sweden 19-23 June, 2011 (O).
21. S. Alkoy A.S. Tekdaş, E. Tekel and R. Olukkent, “Fabrication of Piezoelectric Ceramic Fibers and Ribbons by a Novel Alginate Gelation Method and Characterization of Fiber and Ribbon-based Piezodevices”, 12th Conference of the European Ceramic Society, Stockholm, Sweden 19-23 June, 2011 (P).
22. S. Alkoy, M.Y. Kaya and N. Akdoğan, “Texture Formation in Bi4Ti3O12 Piezoelectric Ceramics Induced by a Strong Magnetic Field”, 12th Conference of the European Ceramic Society, Stockholm, Sweden 19-23 June, 2011 (P).
23. S. Alkoy, S. Dursun, R. Topkaya and N. Akdogan, “Effect of Crystallinity and Particle Morphology on the Magnetic Anisotropy of Submicron Barium Hexaferrite Powders”, NanoTR VII - 7th Nanoscience and Nanotechnology Conference, Istanbul, Turkey, June 27th - July 1st 2011 (P).
24. S. Alkoy, M.Y. Kaya and N. Akdoğan, “Investigation of Grain Orientation and Texture Formation in Piezoelectric Ceramics Induced by a Strong Magnetic Field”, Proc. 7th International Workshop on Piezoelectric Materials and Applications in Actuators, Antalya, Turkey, pp. 11, October 10-13, 2010 (Invited)
25. S. Alkoy and S. Dursun, “Crystallographically Textured Piezoelectric Ceramic Fibers and 1-3 Piezocomposites”, Proc. 7th International Workshop on Piezoelectric Materials and Applications in Actuators, pp. , Antalya, Turkey, pp. 17, October 10-13, 2010 (O)
26. S. Dursun, R. Topkaya, N. Akdogan and S. Alkoy, “Comparison of the Structural and Magnetic Properties of Submicron Barium Hexaferrite Powders Prepared by Molten Salt and Conventional Synthesis Routes”, International Conference on Nanoscale Magnetism - 2010, Gebze, Turkey, September 28th - October 2th 2010 (P).
27. Y. Toprak, E. Menşur Alkoy and S. Alkoy, "Synthesis and Characterization of Electrospun Ba0.6Sr0.4TiO3 Nanofibers and 3-3 Nanocomposites", 6th Nanoscience and Nanotechnology Conference (NanoTR-6), Izmir, Turkey, pp.328, June 15-18, 2010 (P).
28. A.S. Tektaş, A. Berksoy, E. Menşur Alkoy and S. Alkoy, “Pb(Zr,Ti)O3 fibers and nanopowders produced by sol-gel method”, International Nanoscience and Nanotechnology Conference (NanoMats2009), Istanbul, Turkey, pp.175, August 10-13, 2009 (P).
29. S. Alkoy and M.Y. Kaya, “Effect of Electric Field on the Properties of Piezoelectric Lead Zirconate Titanate (PZT)”, Turkish Physical Society 26th International Physical Congress, Muğla, Turkey, pp.71, September 24-27, 2009 (O).
30. S.Alkoy and C. Göl, “Properties of Lead Zirconate Titanate (PbZr0.5Ti0.5O3) Piezoelectric Ceramic Fibers Prepared by Gelation of Sodium Alginate”, Turkish Physical Society 26th International Physical Congress, Muğla, Turkey, pp.92, August 25-29, 2008 (O).
31. C. Duran, S. Alkoy and D.A. Hall, “Electrical Properties of [001] Textured Uniaxial Ferroelectric Potassium Strontium Niobate (KSr2Nb5O15) Ceramics”, 2nd Workshop on Anisotropic Science and Technology of Materials and Devices, Gebze, Turkey, pp. 85-86, 22-25 June, 2008.
32. S. Alkoy, E. Mensur Alkoy and T. Shiosaki, “Effect of Crystallographic Orientation on the Electrical Properties of Ferroelectric Lead Zirconate Titanate (PbZr0.45Ti0.55O3) Thin Films”, 2nd Workshop on Anisotropic Science and Technology of Materials and Devices, Gebze, Turkey, pp. 54, 22-25 June, 2008,.
33. E. Mensur Alkoy, S. Alkoy and T. Shiosaki, “Effect of Texture and Microstructure on the Electrical Properties of Antiferroelectric Lead Zirconate (PbZrO3) Thin Films”, 2nd Workshop on Anisotropic Science and Technology of Materials and Devices, Gebze, Turkey, pp. 52-53, 22-25 June, 2008.
34. S. Alkoy, E. Mensur Alkoy, K. Uchiyama and T. Shiosaki, “Investigation of Fatigue Behaviour of Pb(Zr,Ti)O3 (PZT) Thin Films with PbZrO3 (PZ) Buffer Layers”, 53rd Spring Meeting of Japan Society of Applied Physics, pp.595, Tokyo, Japan, 23-26 March 2006 (O).
35. E. Mensur Alkoy, S. Alkoy, K. Uchiyama and T. Shiosaki, “Influence of Film Texture and Thickness on the Electrical Properties of Sol-Gel Derived PbZrO3 Thin Films”, 53rd Spring Meeting of Japan Society of Applied Physics, pp.595, 23-26 March 2006, Tokyo, JAPAN (O).
36. S. Alkoy, C. Duran, D.A. Hall and T. Shiosaki, “Electrical Properties of Textured KSr2Nb5O15 Ceramics Fabricated by Reactive Templated Grain Growth”, 52nd Spring Meeting of Japan Society of Applied Physics, pp.655, Tokyo, Japan 29 March-1 April 2005 (O).
37. E. Mensur Alkoy, S. Alkoy and T. Shiosaki, “The effect of doping on the microstructure and electrical properties of lead zirconate thin films” 52nd Spring Meeting of Japan Society of Applied Physics, pp.655, Tokyo, Japan 29 March-1 April 2005 (P).
38. H. Yanık, A. Hladky and S. Alkoy, “Fabrication and Characterization of Monolithic Piezoelectric Ceramic Transducers with Thin Shells”, 8th Conference and Exhibition of the European Ceramic Society, Istanbul, Turkey, June 29-July 3 2003 (P).
39. R.E. Newnham, J. Zhang, S. Alkoy, R. Meyer, W.J. Hughes, A. Hladky, J.K. Cochran, D.C.Markley, “Underwater and Biomedical Transducers”, 105th Annual Meeting and Exposition of The American Ceramic Society, Nashville-TN, USA, April 27-30, 2003 (O).
40. D.C. Markley, R.E. Newnham, S.E. Danley, R. Meyer, D.Van Tol, S. Alkoy, “Spherical “BB” Transducer Processing and Applications”, 2002 US Navy Workshop on Acoustic Transduction Materials and Devices, Baltimore-MA, USA, May 13-15, 2002 (P).
41. R.E. Newnham, J. Zhang, R. Meyer, S. Alkoy, J.K. Cochran and D. Markley, “Processing of miniature hollow sphere transducers”, 2nd Ferroelectric Workshop in Puerto Rico, San Juan, Puerto Rico, June 1-2, 2001 (O).
42. R. Meyer, R.E. Newnham, S. Alkoy, T. Ritter and J.K. Cochran, “Very High Frequency Pre-Focused Transducers from Hollow Spheres”, 2000 US Navy Workshop on Acoustic Transduction Materials and Devices, University Park-PA, USA, April 11-13, 2000 (P).
43. S. Alkoy, R. Meyer, A. Hladky, W.J. Hughes, J.K. Cochran and R.E. Newnham “Arrays and piezocomposite transducers from hollow spheres”, 2000 US Navy Workshop on Acoustic Transduction Materials and Devices, University Park-PA, USA, April 11-13, 2000 (P).
44. S. Alkoy, R. Meyer, A. Hladky, J.K. Cochran, W.J. Hughes and R.E. Newnham, “Omnidirectional Miniature Transducers and Directional Arrays from Piezoelectric Hollow Spheres”, 101st Annual Meeting of the American Ceramic Society, Indianapolis-IN, USA, April 25-28, 1999 (O).
45. S. Alkoy, R. Meyer, A. Hladky, J.K. Cochran, W.J. Hughes and R.E. Newnham, “Miniature omnidirectional hydrophones and directional arrays from piezoelectric hollow spheres” 1999 US Navy Workshop on Acoustic Transduction Materials and Devices, University Park-PA, USA, April 13-15, 1999 (P).
46. S. Alkoy, J.K. Cochran and R.E. Newnham, “An Application of Smart Materials: Piezoelectric Hollow Sphere Transducers”, 56th Pittsburgh Diffraction Conference, Pittsburgh-PA, USA, November 5-7, 1998 (P).
47. S. Alkoy, A. Hladky, J.K. Cochran and R.E. Newnham, “Size Dependent Properties of Hollow Sphere Transducers” 4th Ceramics Congress organized by the Turkish Ceramic Society, Eskisehir, Turkey, September 22-25, 1998 (O).
48. S. Alkoy, A. Hladky, J.K. Cochran and R.E. Newnham, “Hollow Sphere Microprobe Hydrophones”, ONR Transducers and Transducer Materials Workshop, University Park-PA, USA, May 12-14, 1998 (P).
49. S. Alkoy, A. Hladky, J.K. Cochran and R.E. Newnham, “PZT-Polymer Composite Hydrophones Prepared from Hollow Ceramic Spheres”, 100th Annual Meeting of the American Ceramic Society, Cincinnati-OH, USA, May 4-6, 1998 (O).
50. S. Alkoy, P. D. Lopath, A. Hladky, J.K. Cochran and R.E. Newnham, “Piezoelectric Hollow Sphere Transducers” 24th International Center for Actuators and Transducers Symposium, University Park-PA, USA, April 20-21, 1998 (O).
51. S. Alkoy, R. E. Newnham, A. C. Hladky and J. K. Cochran, “Size Dependent Properties of Tangentially Poled Sphere Transducers”, ONR Transducers and Transducer Materials Workshop, University Park-PA, USA, April 29 - May 1, 1997 (P).
52. S. Alkoy, A. Dogan, A. C. Hladky-Hennion, J. K. Cochran, Jr. And R. E. Newnham, “Effect of Dimensions and Materials on the Characteristics of Hollow Sphere Transducers”, 99th Annual Meeting of the American Ceramic Society, Cincinnati-OH, USA, May 1997 (O).
53. S. Alkoy, A. Dogan, A. C. Hladky-Hennion, J. K. Cochran, Jr. and R. E. Newnham, “Piezoelectric Hollow Sphere Transducers”, 21st International Center for Actuators and Transducers Symposium, University Park-PA, USA, April 23-24, 1997 (P).
54. S. Alkoy, A. Dogan, A. Hladky, J.K. Cochran and R.E. Newnham, “Piezoelectric Hollow Sphere Transducers”, 98th Annual Meeting of the American Ceramic Society, Indianapolis-IN, USA, April 14-17, 1996 (O).
55. S. Alkoy, A. Hladky, J.K. Cochran and R.E. Newnham, “Vibration Modes of Tangentially Poled PZT Hollow Spheres”, ONR Transducers and Transducer Materials Workshop, University Park-PA, USA, March 25-27, 1996 (O).
56. S. Alkoy, C. Toy, T. Gonul and A. Tekin, “Characterization of Isothermally Heat Treated Turbostratic Boron Nitride” 11th Conference on Glass and Ceramics, Varna, Bulgaria, October 25-27, 1993 (P).

RESEARCH PROJECTS

Principal Investigator

1. Design Development, Characterization and Applications of a New Generation Flextensional Piezoelectric Transducers in the Form of Sea-Shell, Principal Investigator, Scientific and
Technological Research Council of Turkey (TÜBİTAK),Project, # 116M216 (01/04/2017 – 31/07/2020).

2 Design and Development of Mid Frequency (5-100 kHz) Piezoelectric Transducers for Underwater Sonar Applications, KOSGEB RD Innovation Program, (2016-2018)

3. Ultrasonic Motor Applications of
Crystallographically Textured Piezoceramics with Superior Properties, Principal Investigator, Scientific and
Technological Research Council of Turkey (TÜBİTAK), Project # 114M518,
2014-2016.

4.  Development
of Hollow Spherical Transducers, KOSGEB R&D
Innovation Program, (2012-2015)

5. Fabrication of Textured Lead-free
Piezoelectrics in Bulk Ceramic, Fiber and Ribbon Form and their Device
Applications, Principal
Investigator,
Scientific and Technological Research Council of Turkey (TÜBİTAK),
Project # 110M627, 2011-2014.

6. Processing of Sodium Bismuth Titanate based Piezoelectric Ceramics and
Investigation of their Structural and Electrical Properties, Principal
Investigator, Gebze Institute of Technology – Research Fund (GYTE),
Project # 2009-A-19, 2009-2010.

7. Synthesis of Piezoelectric Ceramic Fibers by Alginate Gelation and
Sol-Gel Methods, and Development of Piezoceramic Fiber – Polymer Matrix
Piezocomposites, Principal Investigator, Scientific and Technological
Research Council of Turkey (TÜBİTAK), Project # 107M092, 2007-2010.

8. An
Investigation of Mechanisms of Fatigue in Ferroelectric Thin Films, and Design
and Fabrication of Piezoelectric Devices from Ferroelectric Single Crystals, Principal Investigator, Japan
Society for the Promotion of Science – JSPS, 2004-2006.

9. Development and Characterization of Piezoelectric Thin Films through
Sputtering and Sol-Gel, Principal Investigator, State Planning
Organization (DPT), Project # 2002K120280, 2002-2004.

10. Design and Slipcast Processing of Piezoceramic based Composite Sonars, Principal
Investigator, Scientific and Technological Research Council of Turkey
(TÜBİTAK), Project # MİSAG 202, 2002-2004.

11. Gelcast Fabrication and Characterization of Piezoelectric Ceramic
Transducers, Principal Investigator, Gebze Institute of Technology –
Research Fund (GYTE), Project # 00-B03-01-11, 2000-2001.

Researcher
/ Advisor

1. Investigation of the Effect of
Crystallographic Anisotropy and Defects on the Electrocaloric Response of
Stress-free Relaxor Ferroelectric Plates by Experimental and Analytical
Techniques, Researcher,
AFOSR, Grant#:12537120, 2018 – cont.

2. Fabrication of Piezoelectric
Ceramic Hollow Fibers with Low Sintering Temperature, Design of Devices and
Their Applications, Researcher, Scientific and Technological Research Council of Turkey (TÜBİTAK),
Project # 112M791, 2013-2015.

3. Fabrication
of Textured Lead-Free Piezoelectric Ceramics and Their Piezoelectric Device
Applications, Ministry of Science, Industry
and Technology – Techno Enterprise Support Program, Project # 0119.TGSD.2012, Researcher 2012-2013.

4. Development
of Piezoelectric Actuators for Adaptive Optical Systems, Ministry of Science, Industry and Technology – Industrial Thesis
Program (SAN-TEZ),  Project # 1436.STZ.2012-1,
Researcher, 2012-2014.

5. Processing
of Multiferroic Thin Films and Characterization of their Electrical Properties,
Advisor, Scientific and
Technological Research Council of Turkey (TÜBİTAK), Project # 109M686, 2010-2012.

6. Design, Fabrication and Characterization of Underwater Acoustic Devices
(Transducer/Hydrophone), Researcher, Scientific and Technological
Research Council of Turkey (TÜBİTAK), Project # 107M333, 2007-2010.

7. Investigation of Bonding Strength of “Bone-like” Apatite Mineral Layer
to Titanium Surface, Researcher, Scientific and Technological
Research Council of Turkey (TÜBİTAK), Project # 107M374, 2007-2009.

8. Fabrication and Characterization of Novel, High Performance
Ferroelectric Materials, and Design of New Devices, Researcher, State
Planning Organization (DPT), Project # 2003K120530, 2003-2005.

9. Development of Texture in Ferroelectric Ceramics with Tungsten Bronze Structure
using Templated Particles and Their Electrical Characterization, Researcher,
Scientific and Technological Research Council of Turkey (TÜBİTAK),
Project # MİSAG 245, 2003-2005.

10. Ceramic Hollow Spheres Sensors, Researcher, American Chemical Society-Petroleum Research Fund, 1999-2001.

11. PZT Hollow Sphere Transducers, Researcher, US Office of Naval Research - ONR, 1998-2001.

Last Update : March 13, 2021

Kişinin DersWeb siteleri

• MBM 204 Kristal Kimyası
• MBM 463 Kimyasal Yöntemlerle Seramik Toz Sentezi
• MBM 517 Kristallerin Anizotropik Özellikleri
• MBM 531 Dielektrikler ve Elektroseramikler
• MBM 571 Kristallerin Kimyası ve Özellikleri
• MBM 611 Katılarda Yapı Özellik İlişkileri
• MBM 621 Ferroelektrik Malzemeler ve Cihazlar

Ph.D. THESES ADVISED

[1] Mustafa Yunus KAYA, “Design, fabrication, characterization and applications of flextensional transducer”, Advisor, GTU (2018).

[2] Sinan DURSUN, "Ultrasonic motor applications of crystallographically textured piezoceramics”, Advisor, GTU (2017).

M.S. THESES ADVISED

[3] Muhammet BOZ, “Fabrication and characterization fo piezoelectric ceramic transducers with cylindrical Shell form using slip casting method and their analysis by finite elements method”, Advisor, GTU (2021).

[4] Bengü GÜLDALI, “Investigation of mechanical properties of chemical tempered soda lime silicate glasses by spraying method”, Advisor, GTU (2019).

[5] Hüseyin Alptekin SARI, “Bulk fabrication of antiferroelectric PZSnT ceramics”, Advisor, GTU (2019).

[6] Mustafa Ünsal ÜNVER, “Development of crystallographically textured PMN-PZT piezoceramics for bender type transducer applications”, Advisor, GTU (2018).

[7] Kadir KOÇAK, “Design, fabrication and characterization of mini tonpilz transducer from textured piezoelectric ceramics”, Advisor, GTU (2018).

[8] M. Vardarlı, “Fabrication and Electrical Characterization of (K,Na)NbO3 Based 1-3 Piezocomposits”, Co-advisor, GTU (2015).

[9] R. Olukkent, “Hemispherical piezoelectric ceramics using slip-casting method and their electrical characterization”, Advisor, GYTE (2013).

[10] Y. Özeren, “Hydrothermal synthesis of needle-like NaNbO3 crystals and their structural characterization”, Co-advisor, GYTE (2013).

[11] A. Berksoy, “Investigation of the electrical properties of copper oxide and lithium doped lead-free piezoelectric potassium sodium niobate”, Co-advisor, GYTE (2011).

[12] A. S. Tekdaş, “Fabrication and characterization of lead zirconate titanate thin films and fibers”, Co-advisor, GYTE (2011).</span>

[13] S. Dursun, “Fabrication of textured ferroelectric KSr2Nb5O15 fibers by alginate gelation method and investigation of the electrical properties of their 1-3 piezocomposites”, Advisor, GYTE (2011).</span>

[14] E. Tekel, “Fabrication of piezoelectric ceramic fibers and thin shells by alginate gelation method and investigation of their transducer properties”, Advisor, GYTE (2011).

[15] M.Y. Kaya, “Investigation of development of grain orientation and texture in piezoelectric ceramics through application of electric field”, Advisor, GYTE (2010).

[16] H. Yanık, “Characterization of piezoelectric transducers fabricated by slip casting method”, Advisor, GYTE (2003).

[17] B. Yapar, “Fabrication of ceramics by alginate gelation method”, Advisor, GYTE (2003).

[18] D. Abanoz, “Gelcast fabrication of Pb(Zr, Ti)O3 based piezoelectric ceramics”, Advisor, GYTE (2002).

• Doktora: 1999 Ph.D. in Materials Sci. and Eng., The Pennsylvania State University, USA
• Yüksek lisans: 1994 M.Sc. in Materials Sci., Istanbul Technical University, Turkey
• Lisans: 1992 B.Sc. in Metallurgical Eng., Istanbul Technical University, Turkey

İŞ VE ARAŞTIRMA TECRÜBESİ
03/2012 – ........... Prof. Dr., Gebze Teknik Üniversitesi
05/2012 – ........... Teknik Müdür, ENS Piezoaygıtlar Ltd. Şti.
12/2016 – 01/2019 Bölüm Başkanı, Malzeme Bil. & Müh., Gebze Teknik Üniversitesi
11/2006 – 03/2012 Doç. Dr., Gebze Yüksek Teknoloji Enstitüsü
11/2004 – 10/2006 JSPS Fellow, Nara Institute of Sci. & Tech., Japan
07/2004 – 11/2004 Misafir Bilim Adamı, The University of Manchester, UK
06/2000 – 11/2006 Yrd. Doç. Dr., Gebze Yüksek Teknoloji Enstitüsü
01/2002 – 12/2003 Yarı Zamanlı Öğr. Üyesi, İstanbul Teknik Üniversitesi
01/1995 – 03/2000 Araştırmacı, The Pennsylvania State University, USA
08/1993 – 05/2000 Araş. Gör., Gebze Yüksek Teknoloji Enstitüsü