A-Z İndeks

Doç.Dr. NUMAN AKDOĞAN
Fizik Bölümü

NUMAN AKDOĞAN
Telefon
(262) 605 13 54
E-Posta
akdogan@gyte.edu.tr
Web sayfası
https://www.researchgate.net/profile/Numan_Akdogan2
Ofis
D Blok, 207
Çalışma alanları
Nanomagnetism, spintronics, diluted magnetic semiconductors, exchange bias, nanostructured magnetic multilayers, magnetic nanoparticles, thin films, science with synchrotron radiation.
Detaylı özgeçmiş
Özgeçmiş_Numan Akdoğan.pdf

BOOK CHAPTER

N. Akdoğan and H. Zabel, Origin of Ferromagnetism in Co-implanted ZnO

Book chapter in Nanostructured Materials for Magnetoelectronics, B. Aktaş and F. Mikailzade (eds.), Springer Series in Materials Science 175, Springer-Verlag Berlin Heidelberg (2013)

PUBLICATIONS

1) N. Akdogan, B. Z. Rameev, L. Dorosinsky, H. Sozeri, R. I. Khaibullin, B. Aktas, L. R. Tagirov, A.Westphalen and H. Zabel, Anisotropy of ferromagnetism in Co-implanted rutile, J. Phys. Condensed Matter, 17, L359–L366 (2005)

2) N. Akdogan, B. Z. Rameev, R. I. Khaibullin, A.Westphalen, L. R. Tagirov, B. Aktas, and H. Zabel, Anisotropic ferromagnetism in Co-implanted TiO2 rutile, J. Magn. Magn. Mater. 300, e4–e7 (2006)

3) A. Nefedov, N. Akdogan, R.I. Khaibullin, L.R. Tagirov and H. Zabel, Spin polarization of oxygen atoms in ferromagnetic Co-doped rutile TiO2, Applied Physics Letters 89, 182509 (2006)

4) N. Akdogan, A. Nefedov, A. Westphalen, H. Zabel, R.I. Khaibullin and L.R. Tagirov, Dose dependence of magnetism in Co-doped TiO2, Superlattices and Microstructures 41, 132 (2007)

5) N. Akdogan, A. Nefedov, H.W. Becker, C. Somsen, R.I. Khaibullin, L.R. Tagirov and H. Zabel, Intrinsic room temperature ferromagnetism in Co-implanted ZnO film, J. Phys. D Appl. Phys. 41, 165001 (2008)

6) N. Akdogan, A. Nefedov, H. Zabel, K. Westerholt, H. W. Becker, C. Somsen, S. Goek, A. Bashir, R. I. Khaibullin and L.R. Tagirov, High temperature ferromagnetism in Co-implanted TiO2 rutile, J. Phys. D Appl. Phys. 42, 115005 (2009)

7) N. Akdogan, H. Zabel, A. Nefedov, K. Westerholt, H. W. Becker, S. Goek, R. Khaibullin and L. Tagirov, Dose dependence of ferromagnetism in Co-implanted ZnO, J. Appl. Phys. 105, 043907 (2009)

8) N. Akdogan, B. Z. Rameev, S. Güler, O. Öztürk, B. Aktas, H. Zabel, R. Khaibullin and L. Tagirov, Six-fold in-plane magnetic anisotropy in Co-implanted ZnO (0001), Appl. Phys. Lett. 95, 102502 (2009)

9) H. He, K. Zhernenkov, M. Vadalá, N. Akdogan, D. Gorkov, R. Abrudan, B. Toperverg, H. Zabel, H. Kubota and S. Yuasa, The effect of annealing on the junction profile of CoFeB/MgO tunnel junctions, Journal of Applied Physics 108, 063922 (2010)

10) Y. Köseoğlu, M. Bay, M. Tan, A. Baykal, H. Sözeri, R. Topkaya and N. Akdoğan, Magnetic and dielectric properties of Mn0.2Ni0.8Fe2O4 nanoparticles synthesized by PEG-assisted hydrothermal method, J. Nanoparticle Research 13, 2235 (2011)

11) N. Akdoğan, S. Kazan, B. Aktaş, M. Özdemir, H. Inam, M. Obaida, J. Dudek and K. Westerholt, Field cooling-induced magnetic anisotropy in exchange biased CoO/Fe bilayer studied by ferromagnetic resonance, J. Magn. Magn. Mater. 323, 346 (2011)

12) C. Okay, B. Z. Rameev, S. Güler, R. I. Khaibullin, R. R. Khakimova, Y. N. Osin, N. Akdoğan, A. I. Gumarov, A. Nefedov, H. Zabel and B. Aktaş, Optical and magnetic properties of Ni-implanted and post-annealed ZnO thin films, Appl. Phys. A 104, 667 (2011)

13) M. Öztürk, E. Demirci, R. Topkaya, S. Kazan, N. Akdoğan, M. Obaida and K. Westerholt, Effect of exchange bias on magnetic anisotropies in Fe/CoO bilayers, J. Supercond. and Novel Magnetism 25, 2597 (2012)

14) R. Topkaya, R. Yilgin, S. Kazan, N. Akdoğan, M. Obaida, H. İnam and K. Westerholt, Annealing effect on structural and magnetic properties of Cu2MnAl Heusler alloy films, J. Supercond. and Novel Magnetism 25, 2605 (2012)

15) E. Demirci, M. Öztürk, R. Topkaya, S. Kazan, N. Akdoğan, M. Obaida and K. Westerholt, Thickness and temperature dependence of exchange bias in Co/CoO bilayers, J. Supercond. and Novel Magnetism 25, 2591 (2012)

16) Sinan Dursun, Ramazan Topkaya, Numan Akdoğan and Sedat 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, 3801 (2012)

17) M. Öztürk, E. Sınır, E. Demirci, M. Erkovan, O. Öztürk and N. Akdoğan, Exchange bias properties of [Co/CoO]n multilayers, J. Appl. Phys. 112, 093911 (2012)

18) K. Mbela, T. Moyo, J. Z. Msomi, M. Öztürk and N. Akdoğan, Synthesis and magnetic properties of Mg0.2Cr1.8-xFexO3 nanoparticles, J. Magn. Magn. Mater. 330, 159 (2013)

19) Erdem Demirci, Mustafa Öztürk, Ekrem Sınır, Utku Ulucan, Numan Akdoğan, Osman Öztürk, Mustafa Erkovan, Temperature-dependent exchange bias properties of polycrystalline PtxCo1− x/CoO bilayers, Thin Solid Films 550, 595–601 (2014)

20) R. Topkaya, S. Kazan, R. Yilgin, N. Akdoğan, M. Özdemir and B. Aktaş, Ferromagnetic resonance studies of exchange biased CoO/Fe film grown on MgO substrate, J. Supercond. Nov. Magn. 27, 1503 (2014)

21) S. Güner, O. Gürbüz, S. Çalışkan, R. Khaibullin, V. I. Nuzhdin, M. Öztürk, N. Akdoğan, The structural and magnetic properties of Co+ implanted ZnO films, Applied Surface Science 310, 235 (2014)

22) N. Akdoğan, A. Yağmur, M. Özturk, E. Demirci, O. Özturk, M. Erkovan, Interface induced manipulation of perpendicular exchange bias in Pt/Co/(Pt, Cr)/CoO thin films, J. Magn. Magn. Mater., Accepted (2014)
http://dx.doi.org/10.1016/j.jmmm.2014.03.036

23) M. Öztürk, E. Demirci, O. Gürbüz, S. Güner, V. Valeev, F. Vagizov, R. Khaibullin, N. Akdoğan, Formation of different magnetic phases and high Curie temperature ferromagnetism in Fe57-imlanted ZnO film, J. Magn. Magn. Mater., Accepted (2014) http://dx.doi.org/10.1016/j.jmmm.2014.04.052

SCIENTIFIC REPORTS

1) A. Nefedov, N. Akdogan, R. I. Khaibullin, L. R. Tagirov and H. Zabel, Polarization of oxygen in Co-doped TiO2, BESSY ANNUAL REPORT 2005, Berlin, Germany

2) G. Nowak, A. Remhof, A. Nefedov, N. Akdogan, A. Liebing, B. Hjörvarsson1, K. Westerholt and H. Zabel, Structure characterization of H-assisted grown Fe/V superlattices, HASYLAB ANNUAL REPORT 2005, Hamburg, Germany

3) N. Akdogan, A. Nefedov, H. W. Becker, R. I. Khaibullin, L. R. Tagirov and H. Zabel, Structural characterization of cobalt implanted TiO2 rutile films, HASYLAB ANNUAL REPORT 2006, Hamburg, Germany

4) N. Akdogan, A. Nefedov, R. I. Khaibullin, L. R. Tagirov and H. Zabel, Spin polarization of oxygen atoms in cobalt-doped ZnO, BESSY ANNUAL REPORT 2006, Berlin, Germany

5) N. Akdogan, A. Nefedov, R. I. Khaibullin, L. R. Tagirov and H. Zabel, Observation of two ferromagnetic phases in Co-implanted ZnO, BESSY ANNUAL REPORT 2006, Berlin, Germany

CONFERENCE CONTRIBUTIONS

1) N. Akdogan, A. Nefedov, H. W. Becker and H. Zabel, Structural and magnetic properties of Co-implanted ZnO films, DPG Meeting 2005 (MA), Berlin, Germany (Poster)

2) A. Nefedov, N. Akdogan, H. W. Becker and H. Zabel, ZnO-based Diluted Magnetic Semiconductors, DPG Meeting 2005 (HL), 08.03.2005, Berlin, Germany (Talk)

3) N. Akdogan, B. Z. Rameev, R. I. Khaibullin, A. Westphalen, L. R. Tagirov, B. Aktas, and H. Zabel, Anisotropic ferromagnetism in Co-implanted TiO2 rutile, Moscow International Symposium on Magnetism, June 25-30, 2005, p.534, Moscow, Russia, (Poster)

4) B. Aktaş, N. Akdogan, B.Z. Rameev, L. Dorosinsky, H. Sozeri, R.I. Khaibullin, L.R. Tagirov, A. Westphalen, and H. Zabel, The influence of crystallographic orientation of substrate on ferromagnetism of Co-implanted TiO2 rutile, International Conference on Nanoscale Magnetism, July 3-7, 2005, Gebze, Turkey (Talk)

5) A. Nefedov, N. Akdogan, A. Westphalen, R. I. Khaibullin, L. R. Tagirov and H. Zabel, Observation of two ferromagnetic phases in Co-doped rutile TiO2, DPG Meeting 2006 (MA), Dresden, Germany (Talk)

6) N. Akdogan, B. Rameev, L. Dorosinsky, H. Sozeri, R. Khaibullin, B. Aktas, L. Tagirov, A. Nefedov, A. Westphalen, and H. Zabel, Ferromagnetism and magnetic anisotropy in Co-implanted TiO2, DPG Meeting 2006 (HL), Dresden, Germany (Talk)

7) B. Aktaş, N. Akdogan, B.Z. Rameev, R.I. Khaibullin, L.R. Tagirov, and H. Zabel, Anisotropic ferromagnetism in the magnetic ion implanted TiO2 rutile, International Conference on Advances in Nanostructured Materials, Processing-Microstructure-Properties, NANOVED 2006 – NENAMAT, May 14 – 17, 2006, Stará Lesná, The High Tatras, Slovak Republic (Talk)

8) A. Nefedov, N. Akdogan, R. Khaibullin, L. Tagirov, and H. Zabel, X-ray Resonant Magnetic Scattering on Diluted Magnetic Semiconductors, Deutsche Tagung für Forschung mit Synchrotronstrahlung, Neutronen und Ionenstrahlen an Großgeräten, Oct 4th-6th, 2006, Freie Hansestadt Hamburg (Talk)

9) A. Nefedov, N. Akdogan, R.I. Khaibullin, L.R. Tagirov, H. Zabel, X-ray Resonant Magnetic Scattering on Diluted Magnetic Semiconductors, 9th International Conference on Surface X-ray and Neutron Scattering, Jul 16th-20th, 2006, Taipei, Taiwan (Talk)

10) H. Zabel, N. Akdogan, B. Aktas, R. Khaibullin, A. Nefedov, B. Rameev, L. Tagirov and A. Westphalen, Magnetic Properties of Spintronic Materials, Eg-MRS 2006, Alexandria, Egypt (Invited Talk)

11) N. Akdogan, A. Nefedov, H. W. Becker, R. I. Khaibullin, L. R. Tagirov and H. Zabel, Structural properties of cobalt implanted TiO2 rutile films, DPG Meeting 2007 (DS), Regensburg, Germany (Poster)

12) N. Akdogan, A. Nefedov, H. W. Becker, R. I. Khaibullin, L. R. Tagirov and H. Zabel, Magnetic and structural properties of Co-implanted ZnO films, DPG Meeting 2007 (MA), Regensburg, Germany (Poster)

13) N. Akdogan, A. Nefedov, K. Westerholt, R. Khaibullin, L. Tagirov and H. Zabel, Intrinsic room temperature ferromagnetism in Co-implanted ZnO, Nanoscience and Nanotechnology Conference (NanoTRIV), 09-13 June 2008, Istanbul, Turkey (Talk)

14) S. Kazan, R. Yilgin, N. Akdogan, M. Obaida, H. Inam, K. Westerholt, M. Özdemir and B. Aktas, Magnetic anisotropies of nanostructured CoO/Fe/MgO bilayer, Nanoscience and Nanotechnology Conference (NanoTRIV), 09-13 June 2008, Istanbul, Turkey (Talk)

15) B. Aktas, S. Kazan, R. Yilgin, N. Akdogan, Applications of Nanostructured Magnetic Materials, Nanoscience and Nanotechnology Conference (NanoTRIV), 09-13 June 2008, Istanbul, Turkey (Talk)

16) R. Khaibullin, L. Tagirov, V. Bazarov, Sh. Ibragimov, A. A. Achkeev, I. Faizrakhmanov, N. Akdogan, A. Nefedov, H. Zabel, A. Mackova and V. Hnatowicz, Ion-beam synthesis of ferromagnetic semiconductor by cobalt implantation of single crystalline rutile (TiO2), Moscow International Symposium on Magnetism (MISM 2008), 20-25 June 2008, Moscow, Russia (Talk)

17) S. Kazan, R. Yilgin, N. Akdogan, M. Obaida, H. Inam, K. Westerholt, M. Özdemir and B. Aktas, Ferromagnetic resonance study of CoO/Fe/MgO bilayer, International Conference on Superconductivity and Magnetism (ICSM 2008), 25-29 August 2008, Side-Antalya, Turkey (Talk)

18) N. Akdogan, A. Nefedov, K. Westerholt, R. Khaibullin, L. Tagirov and H. Zabel, Origin of room temperature ferromagnetism in Co-implanted TiO2, International Conference on Superconductivity and Magnetism (ICSM 2008), 25-29 August 2008, Side-Antalya, Turkey (Talk)

19) R. Khaibullin, L. Tagirov, V. Bazarov, S. Ibragimov, I. Faizrakhmanov, N. Akdogan, A. Nefedov, H. Zabel, A. Mackova and V. Hnatowicz, Ferromagnetic semiconducting material based on rutile (TiO2) implanted with cobalt ions, 16th International Conference on Ion Beam Modification of Materials (IBMM 2008), 31 August-5 September 2008, Dresden, Germany (Poster)

20) N. Akdogan, Intrinsic room temperature ferromagnetism in Co-implanted ZnO, International Workshop on Advances in Spintronic Materials: Theory and Experiment, November 26-28, 2008, Duisburg, Germany (Invited Talk)

21) B. Rameev, N. Akdogan, B. Aktaş and R. I. Khaibullin, FMR studies of local magnetic properties of thin films for spintronics, 13th European Conference on Applications of Surface and Interface Analysis (ECASIA’09), Antalya, Turkey (Poster)

22) N. Akdogan, ZnO-based diluted magnetic semiconductors for spintronic applications, International Conference on Superconductivity and Magnetism (ICSM 2010), 25–30 April 2010, Antalya, Turkey (Invited Talk)

23) M. Öztürk, R. Topkaya, M. Özdemir, M. Obaida, K. Westerholt, S. Kazan, N. Akdoğan, Effect of exchange bias on magnetic anisotropies in Fe/CoO bilayers, NanoTR6 2010, İzmir, Turkey (Poster)

24) R. Topkaya, N. Akdoğan, R. Yilgin, S. Kazan, M. Özdemir, J. Dudek, M. Obaida, H. Inam, Kurt Westerholt, The effect of annealing temperature on magnetic properties of Cu2MnAl heusler films, NanoTR6 2010, İzmir, Turkey (Poster)

25) S. Gök, R. Topkaya, S. Kazan, N. Akdoğan, M. Özdemir, M. Obaida, K. Westerholt, Investigation of thickness dependent magnetic anisotropies in FeCo alloys, NanoTR6 2010, İzmir, Turkey (Poster)

26) E. Demirci, R. Topkaya, M. Özdemir, M. Obaida, K. Westerholt, S. Kazan, N. Akdoğan, Exchange-bias effect in Co/CoO bilayers studied by ferromagnetic resonance, NanoTR6 2010, İzmir, Turkey (Poster)

27) N. Akdoğan, S. Kazan, B. Aktaş, M. Özdemir, H. İnam, J. Dudek, M. Obaida, K. Westerholt, Field cooling-induced magnetic anisotropy in exchange biased CoO/Fe bilayer studied by ferromagnetic resonance, NanoTR6 2010, İzmir, Turkey (Talk)

28) B. Z. Rameev, N. Akdoğan, S. Güler, O. Öztürk, B. Aktaş, H. Zabel, R. Khaibullin, L. Tagirov, FMR studies of Co-implanted ZnO films, International Conference on PHYSICS-2010, 30 June – 2 July 2010, Baku, Azerbaijan (Talk)

29) R. Topkaya, N. Akdoğan, R. Yilgin, S. Kazan, M. Özdemir, J. Dudek, M. Obaida, H. Inam, K. Westerholt, Structural and magnetic properties of Cu2MnAl heusler films, International Conference on Nanoscale Magnetism ICNM-2010, September 28 - October 2, 2010, Gebze, Turkey (Poster)

30) E. Demirci, R. Topkaya, M. Özdemir, M. Obaida, K. Westerholt, S. Kazan, N. Akdoğan, Magnetic properties of exchange-biased Co/CoO bilayers, International Conference on Nanoscale Magnetism ICNM-2010, September 28 - October 2, 2010, Gebze, Turkey (Poster)

31) M. Öztürk, R. Topkaya, M. Özdemir, M. Obaida, K. Westerholt, S. Kazan, N. Akdoğan, Temperature dependent FMR studies of exchange biased Fe/CoO bilayers, International Conference on Nanoscale Magnetism ICNM-2010, September 28 - October 2, 2010, Gebze, Turkey (Poster)

32) E. Billor, R. Topkaya, N. Akdoğan, M. Özdemir, S. Budak, S. Güner, Magnetic properties of monolayer CoxSb1-x thin films, International Conference on Nanoscale Magnetism ICNM-2010, September 28 - October 2, 2010, Gebze, Turkey (Poster)

33) N. Akdoğan, B. Rameev, S. Güler, O. Öztürk, B. Aktaş, H. Zabel, R. Khaibullin, L. Tagirov, Six-fold in-plane magnetic anisotropy in Co-implanted ZnO, International Conference on Nanoscale Magnetism ICNM-2010, September 28 - October 2, 2010, Gebze, Turkey (Talk)

34) 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 conventional synthesis routes, International Conference on Nanoscale Magnetism ICNM-2010, September 28 - October 2, 2010, Gebze, Turkey (Poster)

35) S. Alkoy, M. Y. Kaya, N. Akdoğan, Investigation of grain orientation and texture formation in piezoelectric ceramics induced by a strong magnetic field, 7th International Workshop on Piezoelectric Materials and Applications in Actuators 2010, October 10th - 13th 2010, Antalya, Turkey (Poster)

36) Numan Akdoğan, Mustafa Öztürk, Erdem Demirci, Ramazan Topkaya, Sinan Kazan, Thickness and temperature dependence of exchange-bias in Fe/CoO bilayers, Advances in Applied Physics and Materials Science Congress 2011, May 12-15, 2011, Kemer-Antalya, Turkey (Talk)

37) Mustafa Öztürk, Erdem Demirci, Ramazan Topkaya, Mohamed Obaida, Kurt Westerholt, Sinan Kazan, Numan Akdoğan, Thickness Dependent Magnetic Properties of Fe/CoO Bilayers, 27. Türkiye Nanobilim ve Nanoteknoloji Konferansı, 27 Haziran-1 Temmuz 2011, İstanbul, Turkey (Poster)

38) Erdem Demirci, Ramazan Topkaya, Mustafa Öztürk, Mohamed Obaida, Kurt Westerholt, Sinan Kazan, Numan Akdoğan, Thickness and temperature dependence of exchange bias in Co/CoO bilayers, 7. Türkiye Nanobilim ve Nanoteknoloji Konferansı, 27 Haziran-1 Temmuz 2011, İstanbul, Turkey (Poster)

39) Numan Akdoğan, Investigation of Diluted Magnetic Semiconductors with Synchrotron Radiation, First International Workshop on Machine and Research Aspects of the Proposed Turkish Light Sources, 4-6 July 2011, İstanbul, Turkey (Talk)

40) Numan Akdoğan, Studying Spintronics Materials with Synchrotron Radiation, SESAME Users Meeting, 12 November 2011, Amman, Jordan (Invited Talk)

41) J. Z. Msomi, T. A. Nhlapo, T. Moyo, M. Ozturk, N. Akdogan and J. J. Dolo, Structural and Magnetic Changes Induced by High Energy Ball Milling of CdFe2O4 Oxide, 3rd International Conference on Superconductivity and Magnetism (ICSM2012), 29 April – 4 May 2012, İstanbul, Turkey (Poster)

42) P. S. Mkwae, J. Z. Msomi, T. Moyo, M. Ozturk and N. Akdogan, Structural and Magnetic Properties of MgCexFe2-xO4 Nanoferrites, 3rd International Conference on Superconductivity and Magnetism (ICSM2012), 29 April – 4 May 2012, İstanbul, Turkey (Poster)

43) K. Mbela, J. Z. Msomi, T. Moyo, M. Ozturk and N. Akdogan, Exchange Bias in Mg0.2Cr1.8-xFexO3 Oxide, 3rd International Conference on Superconductivity and Magnetism (ICSM2012), 29 April – 4 May 2012, İstanbul, Turkey (Poster)

44) Numan Akdoğan, Studying Spintronics Materials with Synchrotron Radiation, TUCr2012, 7-9 June 2012, İzmir, Turkey (Invited Talk)

45) Mustafa Öztürk, Erdem Demirci, Ramazan Topkaya, Sinan Kazan and Numan Akdoğan, Exchange Bias Properties of Fe/CoO Bilayers, TUCr2012, 3rd Turkish Crystallographic Meeting, 7-9 June 2012, İzmir, Turkey (Poster)

46) Ekrem Sınır, Mustafa Öztürk, Erdem Demirci, Mustafa Erkovan, Osman Öztürk and Numan Akdoğan, Structural and Exchange Bias Properties of [CoO/Co]n Magnetic Multilayers, TUCr2012, 3rd Turkish Crystallographic Meeting, 7-9 June 2012, İzmir, Turkey (Poster)

47) Numan Akdoğan, Studying Spintronics Materials with Synchrotron Radiation, The 10th Materials Day, 08-09.11.2012, Bochum, Germany (Invited Talk)

48) Mustafa Öztürk, Ekrem Sınır, Erdem Demirci, Mustafa Erkovan, Osman Öztürk and Numan Akdoğan, Exchange bias properties of [Co/CoO]n multilayers, NanoTR9, 24 – 28 June 2013, Atatürk University, Erzurum, Turkey (Talk)

49) E. Demirci, M. Öztürk, E. Sınır, U. Ulucan, O.Erdemir, N. Akdoğan, O. Öztürk and M. Erkovan,
Temperature-dependent exchange bias properties of polycrystalline PtxCo1-x/CoO bilayers, NanoTR9, 24 – 28 June 2013, Atatürk University, Erzurum, Turkey (Talk)

50) Umut Parlak, Osman Öztürk, Numan Akdoğan, Erdem Demirci, Mustafa Öztürk and Mustafa Erkovan, Observation of Exchange Bias Effect on Different Magnetization Orientations of Ni/CoO Multilayer Thin Films, NanoTR9, 24 – 28 June 2013, Atatürk University, Erzurum, Turkey (Poster)

51) Ahmet Yağmur, Mustafa Öztürk, Erdem Demirci, Mustafa Erkovan, Osman Öztürk and Numan Akdoğan, Exchange bias properties of Pt/Co/X/CoO/Pt multilayers (X=Pt, Cr), NanoTR9, 24 – 28 June 2013, Atatürk University, Erzurum, Turkey (Poster)

52) M. Erkovan ,O. Erdemir, E. Demirci, M. Öztürk, N. Akdoğan, O. Öztürk, Exchange bias properties
of polycrystalline PtxCo1-x/CoO bilayers, NanoTR9, 24 – 28 June 2013, Atatürk University, Erzurum, Turkey (Poster)

53) M. Öztürk, E. Sinir, E. Demirci, M. Erkovan, O. Öztürk and N. Akdoğan, Temperature dependent studies of exchange biased [Co/CoO]n multilayers, International Conference on Nanoscale Magnetism (ICNM-2013), September 2 – 6, 2013, İstanbul, Turkey (Poster)

54) E. Demirci, M. Öztürk, E. Sınır, U. Ulucan, N. Akdoğan, O. Öztürk and M. Erkovan, Temperature-dependent exchange bias properties of polycrystalline PtxCo1-x/CoO bilayers, International Conference on Nanoscale Magnetism (ICNM-2013), September 2 – 6, 2013, İstanbul, Turkey (Poster)

55) A. Yağmur, M. Öztürk, E. Demirci, M. Erkovan, O. Öztürk and N. Akdoğan, Manipulation of exchange bias in Pt/Co/M/CoO/Pt multilayers (M=Pt, Cr), International Conference on Nanoscale
Magnetism (ICNM-2013), September 2 – 6, 2013, İstanbul, Turkey (Poster)

56) M. Erkovan, O. Erdemir, E. Demirci, M. Öztürk, N. Akdoğan, O. Öztürk, Tuning exchange bias properties of PtxCo1-x/CoO bilayers with Pt concentration and Temperature, ECASIA’13, 15th European Conference on Surface and Interface Analysis, 13-18 October, 2013 (Talk)

57) O. Öztürk, M. Erkovan, E. Demirci, O. Erdemir, M. Öztürk, N. Akdoğan, Exchange Bias Tuning with Temperature and Pt Ratios in PtxCo1-x/CoO Bilayer, AVS 60th International Symposium, October 27 - November 1, 2013 in Long Beach, CA, USA (Poster)

58) Mustafa Öztürk, Ekrem Sınır, Erdem Demirci, Mustafa Erkovan, Osman Öztürk and Numan Akdoğan, Exchange bias properties of [Co/CoO]n multilayers, TAC-LSUM2013, 5-7 October 2013, Ankara (Poster)

59) E. Demirci, M. Öztürk, E. Sınır, U. Ulucan, O.Erdemir, N. Akdoğan, O. Öztürk and M. Erkovan, Temperature-dependent exchange bias properties of polycrystalline PtxCo1-x/CoO bilayers, TAC-LSUM2013, 5-7 October 2013, Ankara (Poster)

60) N. Akdoğan, M. Öztürk, A. Yağmur, E. Demirci, M. Erkovan and O. Öztürk, Perpendicular exchange bias in magnetic multilayers, Yoğun Madde Fiziği (YMF)-İzmir Toplantısı, 11 April 2014, İzmir, Turkey (Invited Talk)

61) M. Öztürk, A. Yağmur, E. Demirci, M. Erkovan, O. Öztürk and N. Akdoğan, Interface induced manipulation of perpendicular exchange bias in Co/CoO thin films, ICSM2014, 27 April - 02 May 2014, Antalya, Turkey (Poster)

62) E. Demirci, M. Öztürk, E. Sınır, U. Ulucan, O.Erdemir, N. Akdoğan, O. Öztürk and M. Erkovan, Temperature-dependent exchange bias properties of polycrystalline PtxCo1-x/CoO bilayers, ICSM2014, 27 April - 02 May 2014, Antalya, Turkey (Poster)

63) A. Sönmez, M. Öztürk, E. Demirci, M. Erkovan, U. Parlak, M. E. Aköz, O. Öztürk and N. Akdoğan, Exchange Bias Properties of [Ni/CoO]n Multilayers, ICSM2014, 27 April - 02 May 2014, Antalya, Turkey (Poster)

64) A. Canlı, M. Erkovan, U. Parlak, O. Öztürk, E. Demirci, M. Öztürk and N. Akdoğan, Manipulation of perpendicular exchange bias in PtCo/CoO multilayers, ICSM2014, 27 April - 02 May 2014, Antalya, Turkey (Poster)

65) M. E. Aköz, U. Parlak, E. Demirci, M. Öztürk, N. Akdoğan, O. Öztürk, M. Erkovan, Exchange Bias Properties of PtxCo1-x/CoO Bilayer Thin Films, ICSM2014, 27 April - 02 May 2014, Antalya, Turkey (Poster)

66) M. Erkovan, M. E. Aköz, E. Demirci, M. Öztürk, U. Parlak, N. Akdoğan, O. Öztürk, The Effect of Ni
Thickness on Exchange Bias Properties of Ni/CoO Bilayers, 2nd International Conference on Surfaces, Coating and Nanostructured Materials (NANOSMAT USA), 19 – 22 May 2014, Texas, The USA, (Poster)

67) M. Öztürk, A. Yağmur, E. Demirci, M. Erkovan, O. Öztürk and N. Akdoğan, Interface effects in exchange
biased Co/(Pt,Cr)/CoO thin films, NanoTR10, 17 – 21 June 2014, Yeditepe University, İstanbul, Turkey (Poster)

68) E. Demirci, M. Öztürk, M. Erkovan, O. Öztürk and N. Akdoğan, Temperature-dependent Exchange Bias
Properties of Pt/Co/Pt/Cr2O3 Thin Film, NanoTR10, 17 – 21 June 2014, Yeditepe University, İstanbul, Turkey (Talk)

69) A. Sönmez, M. Öztürk, E. Demirci, M. Erkovan, U. Parlak, M. E. Aköz, O. Öztürk and N. Akdoğan, Exchange Bias Properties of [Ni/CoO]x Multilayers, NanoTR10, 17 – 21 June 2014, Yeditepe University, İstanbul, Turkey (Poster)

70) A. Canlı, M. Erkovan, U. Parlak, O. Öztürk, E. Demirci, M. Öztürk and N. Akdoğan, Tuning exchange bias
in PtCo/CoO multilayers, NanoTR10, 17 – 21 June 2014, Yeditepe University, İstanbul, Turkey (Poster)

71) M. E. Aköz, U. Parlak, E. Demirci, M. Öztürk, N. Akdoğan, O. Öztürk, M. Erkovan, Exchange Bias Properties of PtxCo1-x/CoO Bilayer Thin Films, NanoTR10, 17 – 21 June 2014, Yeditepe University, İstanbul, Turkey (Poster)

72) M. E. Aköz, E. Demirci, U. Parlak, M. Öztürk, N. Akdoğan, O. Öztürk, M. Erkovan, Investigation of Exchange Bias Effect for PtxCo1-x/CoO Bilayer Thin Films by Pt Concentration, The European Conference Physics of Magnetism 2014 (PM’14), 23 – 27 June 2014, Poznan, Poland (Poster)

73) U. Parlak, E. Demirci, M. E. Aköz, M. Öztürk, N. Akdoğan, O. Öztürk, S. Tokdemir Öztürk, M. Erkovan,
Perpendicular Exchange Bias Properties of Ni/Pt/CoO Films, The European Conference Physics of Magnetism 2014 (PM’14), 23 – 27 June 2014, Poznan, Poland (Poster)

PhD Theses (Ongoing)

1) Mustafa Öztürk, Electrical field control of exchange bias.

2) Erdem Demirci, Exchange bias in magnetoelectric materials.

3) Ekrem Sınır, Structural and magnetic properties of exchanged biased Co/CoO multilayers.

MSc Theses (Ongoing)

1) Ayşe Canlı, PtCo/CoO İnce Filmlerin Manyetik özelliklerinin PtCo Kalınlığına Bağlı Olarak İncelenmesi.

2) Ayşe Sönmez, Structural and magnetic properties of exchange biased [Ni/CoO]n multilayers.

MSc Theses (Completed)

1) Mustafa Öztürk (Ocak 2011), Manyetik malzemelerde (Fe/CoO) kaydırma (exchange bias) etkisi, Yrd. Doç. Dr. İlker Cenik ile birlikte.

2) Erdem Demirci (Şubat 2011), CoO/Co manyetik ince filmlerde kaydırma (exchange bias) etkisi.

3) Utku Ulucan (Temmuz 2012), PtCo/CoO ince filmlerde kaydırma (exchange bias) etkisi.

4) Ahmet Yağmur (Temmuz 2013), Çok katlı ince filmlerde (Pt/Co/Pt/CoO) kaydırma (exchange bias) etkisi.

  • Doktora: Ruhr-Universität Bochum, Institute for Experimental Physics/Condensed Matter Physics (2008)
    "Origin of ferromagnetism in oxide-based diluted magnetic semiconductors"
  • Yüksek lisans: Yildiz Technical University, Department of Physics (2004)
    "Magneto-optical measurements of thin films"
  • Lisans: Yildiz Technical University, Department of Physics (2001)
    "Neutron activation analysis"
Special Issue Guest Editor
Journal of Magnetism and Magnetic Materials
SI: Nanomagnetism and Spintronics

INVITED LECTURES

1) Diluted Magnetic Semiconductors for Spintronic Device Applications, International Spring School & Educational Courses, 20-25 April 2010, Porto Bello Hotel, Antalya, Turkey

2) Applications of X-rays in characterizing new materials, International Henry Moseley X-Ray Science Summer School and Workshop June 14-23, 2012, Turunç, Marmaris, Turkey

3) Basics of Magnetism, Spring School & Educational Courses (SSEC) on Superconductivity and Magnetism, 21-26 April 2014, Kervansaray Lara, Antalya, Turkey

4) Applications of Nanomagnetism and Spintronics, Spring School & Educational Courses (SSEC) on Superconductivity and Magnetism, 21-26 April 2014, Kervansaray Lara, Antalya, Turkey


INVITED SEMINARS

Istanbul Technical University, Department of Physics, 25.04.2008
Bilkent University, Department of Physics, UNAM, 08.01.2010
Afyon Kocatepe University, ADIM Physics Day, 21.05.2010
Yildiz Technical University, Department of Physics, 27.10.2010
Boğaziçi University, Department of Physics, 24.11.2010
Sabanci University, Department of Physics, 29.12.2010
Kocaeli University, Nanotechnology Days, 08.05.2011
Kazan Federal University, Department of Physics, Tatarstan, 27.06.2012


INTERNATIONAL MEMBERSHIPS

1.Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (Berlin, Germany)

2.The Hamburger Synchrotronstrahlungslabor (HASYLAB) at Deutsches Elektronen-Synchrotron (DESY) (Hamburg, Germany)

3.Dortmunder ELekTronenspeicherring-Anlage (DELTA) (Dortmund, Germany)

4.DAAD-RISE (Research Internships in Science and Engineering) (Bonn, Germany)

5.International Max Planck Research School for Surface and Interface Engineering in Advanced Materials (IMPRS-SurMat) (Düsseldorf, Germany)


RESEARCH PROJECTS

BESSY Project (27.11-04.12.2006), Germany
Project Number: 2006_2_60415
A. Nefedov, H. Zabel, N. Akdogan, A. Remhof
Project Title: Time resolved XRMS studies from patterned magnetic films.

BESSY Project (04.12-11.12.2006), Germany
Project Number: 2006_2_60384
A. Nefedov, H. Zabel, N. Akdogan
Project Title: Coexistence of ferromagnetism and antiferromagnetism in Fe-doped TiO2: XMCD and XRMS studies.

BESSY Project (12.03-18.03.2007), Germany
Project Number: 2007_1_60789
A. Nefedov, H. Zabel, N. Akdogan, S. Buschhorn, E. Kravtsov
Project Title: Application of soft x-ray resonant scattering to study charge-density waves in Cr/V multilayers.

TÜBİTAK - RFBR Joint Project (2010-2012), Turkey-Russia
Project Number: 209T061
B. Aktaş, F. Mikailzade, B. Rameev, N. Akdoğan
Project Title: Development of layered and composite magnetic nanostructured materials for spintronic applications.

TÜBİTAK 1001 Project (2011-), Turkey
S. Güner, B. Ünal, S. Çalışkan, N. Akdoğan
Project Title: Theoretical and Experimental Investigations of Spin Injection and Rashba Effect in Ferromanyetik Metal Implanted ZnO Heterostructures

TÜBİTAK 1001 Project (2013-), Turkey
N. Akdoğan, S. Kazan, F.Yıldız
Project Title: Electrical field manipulation of exchange bias in perpendicularly magnetized Pt/Co/CoO and Pt/Co/IrMn thin films


FELLOWSHIPS

Research Fellowship (March 2004, 3 Months), Germany
SFB 491 Magnetic Heterostructures: Spinstructure and Spintransport
Bochum, Germany

Ph.D. Fellowship (October 17, 2004, 3 Years), Germany
International Max Planck Research School for Surface and Interface Engineering in Advanced Materials-IMPRS “SurMat”
Düsseldorf, Germany