Dr. Macit Özenbaş (Professor of Metallurgical and Materials Engineering, Full time)

Department of  Metallurgical & Materials Engineering, Room: D-305

Middle East Technical University, 06531, Ankara, TURKEY

Room:(+90)312-2102532

Lab:(+90)312-2105917

ozenbas@metu.edu.tr 

Ankara/ Turkey

BSc, Metallurgical Engineering, Middle East Technical University, Ankara, Turkey, 1973

MSc, Metallurgical Engineering, Middle East Technical University, Ankara, Turkey, 1975

PhD, Metallurgical Engineering, Middle East Technical University, Ankara, Turkey, 1981

Years of Service on Faculty : 26

 Professor, Metallurgical Engineering, 1992 - Present

Associate Professor, Metallurgical Engineering, 1987 - 1992

Assistant Professor, Metallurgical Engineering, 1984 - 1987           

Instructor, Metallurgical Engineering, 1978 - 1984

Assistant, Metallurgical Engineering, 1974 - 1978

Other Related Experience

Visiting Scientist, Max-Planck-Institute für Metallforschung, Stuttgart, Germany, 1985-1987

Visiting Scientist, Princeton University, Princeton, USA, 1997-1998, 1999, 2001

Consulting and Sponsored Projects:

“The Investigation of Failures in Materials using SEM and EDX”, 1991-1996, University Research Fund Project

“Superconducting Ceramic Oxides and Production Parameters that Affect Their Physical Properties”, 1991-1992, University Research Fund Project

“The Production and Characterization of Superconducting Ceramic Oxides”, 1992-1995, TÜBITAK (Turkish Scientific and Technical Research Council) Project

“Characterization of Diamond Coatings Prepared by Plasma CVD Technique”,1994-1995, University Research Fund Project

“Ferroelectric Thin Films”, 1994-1997, COST (European) Project

“Characterization and Modelling of the Intermetallic Compounds Formed at the Substrate-Thin Film Interfaces”, 1997-1999, Turkish State Planning Organization Project

Meetings Organized

1. International Workshop on Ceramic Science and Technology, July 21-22, 1993, METU, Ankara, Turkey.

2. 13^th National Electron Microscopy Congress, September 1-4, 1997, METU, Ankara, Turkey.

Scientific and Professional Society Memberships

 Turkish Chamber of Metallurgical Engineers

 Turkish Electron Microscopy Society

 Materials Research Society

Honors and Awards

TÜBITAK Post-Doctoral Scholarship, 1985, Germany

Max Planck Gesellschaft Scholarship, 1986, Germany

NATO Research Scholarship, 1997, USA

Excellence in Teaching Award, 1997, METU/Turkey

Excellence in Teaching Award, 1998, METU/Turkey

Excellence in Teaching Honorary Award, 1999, METU/Turkey

Scientific Interests                                                 

Surface Properties of Materials, Surface and Thin Film Technologies, Nucleation and Growth of Thin Films

Physical Properties of Materials, Superconducting Materials

Ferroelectric Thin Films                                   

Diamond Thin Films                                         

Courses Given

MetE 201         Materials Science 1

MetE 202         Materials Science

MetE 229         Materials Science and Engineering (for Electrical Engineering)

MetE 328         Materials Processing

MetE 452         Electron-Optical Examination of Materials

MetE 455         Electrical, Magnetic and Optical Properties of Materials

MetE 459         Surface and Interface Phenomena

MetE 508         Advanced Optical Techniques

MetE 509         Physics of Materials 1

Arme 541         Archaeological Materials

Principal Publications :

1. M. Özenbas and C. Tan, "Adhesion of Thin Films", Journal of Crystal Growth, 78 (1986), 519-522.

2. M. Özenbas and H. Kalebozan, "Crystallization of Amorphous Selenium Thin Films", Journal of Crystal Growth, 78 (1986), 523-527.

3. M. Özenbas, "Growth of Selenium Thin Films", Journal of Materials Science, 22 (1987), 1419-1431.

4. M. Özenbas: "Crystallization Behaviour of Amorphous Selenium Films", 7th International Conference on Solid Surfaces, 1989, Cologne, Germany, p. 222.

5. E.H. Brandt and M. Özenbas, "Superconductors", Proceedings of the Conference on New Technologies and Development of the Muslim World, 2-5 December 1989, Kuwait, published by the Islamic Academy of Sciences, Amman, Jordan, 1990, 183-222.

6. M. Özenbas, "Amorphous-to-Crystalline Transition of Selenium Thin Films Deposited onto Aluminium Substrates", Vacuum, 41 (1990), 1339-1342.

7. M. Özenbas and M.A. Akbas: "Characterization of Ti and Ni Substituted YBa2(Cu3-xMx)O7-y Oxides via SEM and EDS", European Conf. on Appl. of Surface and Interface Analysis, Budapest, 1991.

8. M. Özenbas and M. Yavuz: "Characterization of Y-Ba-Cu-O Thick Films", European Conference on Applications of Surface and Interface Analysis, Budapest, 1991.

9. M. Özenbas, "Effect of Surface Activation on the Adhesion Behaviour of Metallic Thin Films", European Conference on Applications of Surface and Interface Analysis, Budapest, 1991.

10. M. Özenbas, "Effect of Annealing on Electrical Resistivity of Aluminum Thin Films", European Conference on Applications of Surface and Interface Analysis, Budapest, 1991.

11. M. Özenbas and M.A. Akbas, "Superconducting Properties of Titanium and Nickel Substituted YBa2(Cu3-yMy)O7-x", Proceedings of NATO-ASI Conference on Physics and Materials Science of High Temperature Superconductors - II, 18-31 August 1991, Greece, published by Kluwer Academic Publishers, the Netherlands, 1992, 685-698.

12. M. Özenbas and M. Yavuz, "Production of Superconducting Thick Films Through Cation Chelated Organic Precursors", Proceedings of NATO-ASI Conference on Physics and Materials Science of High Temperature Superconductors - II, 18-31 August 1991, Greece, published by Kluwer Academic Publishers, the Netherlands, 1992, 659-671.

13. M. Özenbas and S. Demirci, "A Morphological Study on the Human Teeth Taken From Girnavaz Excavations", Electron Microscopy 92, Volume III, 619-620, 1992

14. M. Özenbas, “Synthesis of Hot Filament Assisted CVD Coating of Diamond Thin Films on Silicon Substrates”, Materials and Processes for Surface and Interface Engineering, France, July 18-29, 1994.

15. Özenbas, M., “Structural Studies on the Metallic Artifacts of Phrygian Period”, 29th International Symposium on Archaeometry, 9-14 May 1994, Ankara, Turkey.

16. M. Özenbas, "Microstructural Studies on Some Phrygian Metallic Objects", Proc. of International Symposium on Thracians and Phrygians, June 3-4, 1995, Ankara, pp. 62-73.

17. M. Özenbas, “Preparation and Characterization of Ferroelectric Thin Films by Sol-Gel Processing Using Urea”, Ferroelectric Thin Films Workshop, Lausanne, Switzerland, February 16-17, 1995.

18. M. Özenbas and Ergin, S. Ü., “Preparation and Characterization of Ferroelectric Thin Films”, 8th European Meeting on Ferroelectricity, 4-8 July 1995, Nijmegen, Holland.

19. M Özenbas, "Preparation of PZT Films and Powders by the Sol-Gel Process", Proc. of the Workshop of COST 514, March 4-5, 1996, Madrid, Spain, pp. 43-46.

20. M. Özenbas, “Hot Filament Assisted Chemical Vapor Deposition of Diamond Coatings”, Proc. of IX. Conference on Electron Microscopy of Solids, Krakow, Poland, 6-9 May 1996, p. 299-302.

21. M. Özenbas and T. Güngören, "An Unusual Morphology in the Y-Ba-Cu-O Thin Films on MgO (100) Prepared by Resistive Evaporation", Junior Euromat 96, 26-30 August 1996, Lausanne, Switzerland, p.17.

22. M. Özenbas, "Preparation of PbZr_0.5Ti_0.5O₃ Films and Powders by the Sol-Gel Process", The Tenth International Symposium on the Applications of Ferroelectrics, 18-21 August 1996, Rutgers, USA, p.111.

23. M. Özenbas, "Characterization of c-axis Oriented Y-Ba-Cu-O Thin Films Prepared by PVD on LaAlO₃ (100) and SrTiO₃ (100) Substrates", MRS Fall Meeting, 2-6 December 1996, Boston, USA.

24. M. Özenbas, "PVD Growth and Characterization of YBCO Thin Films on Polycrystalline a-Al₂O₃ Substrates : Phase Separation", MRS Fall Meeting, 2-6 December 1996, Boston, USA.

25. M. Özenbas and Ergin, S. Ü., “Preparation of Pb(Zr,Ti)O₃ Thin Films and Powders by the Sol-Gel Process”, Ferroelectrics, 1996, Vol. 186, pp. 219-222.

26. M. Özenbas, “Sol-Gel Processing and Characterization of Ferroelectric Pb(Zr,Ti)O₃ Thin Films and Powders”, MRS Fall Meeting, 1-5 December 1997, Boston, USA.

27. H. Güler, M. Kizilyalli, T. Firat and M. Özenbas, “Synthesis and Characterization of YM₂M ₃S_6-y”, High Temperature and Materials Science, 1997, Vol. 38, pp. 23-39.

28. M. Özenbas and T. Güngören, “PVD Growth and Characterization of YBCO Thin Films on Polycrystalline Alumina Substrates : Phase Separation”, Physica C, 2000, Vol. 341-348, pp. 2363-2364.

29. M. Özenbas and T. Güngören, “Characterization of c-axis Oriented Y-Ba-Cu-O Thin Films Prepared by PVD on LaAlO₃ (100) and SrTiO₃ (100) Substrates”, Physica C, 2000, Vol. 341-348, pp. 2365-2366.

30. M. Özenbas and I. Aksay, “Micropatterning of Ferroelectric Pb(Zr_0.52Ti_0.48)O₃”, ISIF 2000, 12^th International Symposium on Integrated Ferroelectrics, 12-15 March 2000, Aachen, Germany, p. 107 (in session : Nano-Size Effects).

31. O. Yilmaz, M. Özenbas and M. H. Korkut, “Microstructural Characteristics og Gas Tungsten Arc Synthesised Fe-Cr-Si-C Coating”, Mater. Sci. Tech., 2002, Vol. 18, pp.1209-1216.

32. “Micropatterned Lead Zirconium Titanate Thin Films”, accepted for publication in Journal of Materials Research.

33. “Ferroelectric Properties of Micropatterned Lead Zirconium Titanate Thin Films”, submitted for publication in Journal of Materials Research.

Principal Publications and Presentations in National Journals and Meetings:

1. M. Özenbas, “Thin Films : Production Technologies and Applications in Industry”, Metalurji, 1987 (No: 50), pp.26-29.

2. M. Özenbas and F. Karaarslan, “Adhesion in Thin Films”, TÜBITAK VIII. Metallurgy Symposium, Istanbul, 3-5 October 1984.

3. M. Özenbas and H. Kalebozan, “Crystallization Kinetics in Selenium Thin Films”, IV. National Metallurgy Congress, Ankara, 22-25 October 1986, pp.421-438.

4. M. Özenbas and F. Karaarslan, “The Adhesion of Thin Metal Films on Different Substrates”, IV. National Metallurgy Congress, Ankara, 22-25 October 1986, pp.845-860.

5. M. Özenbas, “Growth Kinetics in Selenium Thin Films”, IX. National Electron Microscopy Congress, Istanbul, 29-31 May 1989, pp.119-120.

6. M. Özenbas and H. Kalebozan: "Crystal Morphologies Observed in Selenium Thin Films", IX. National Electron Microscopy Congress, Istanbul, 29-31 May 1989, pp. 123-124.

7. M. Özenbas: "Crystal Morphologies Observed on Selenium Thin Films", III. Balkan Congress on Electron Microscopy, 1989, Athens, p. 487.

8. M. Özenbas, “Investigation of Superconducting Y-Ba-Cu-O by SEM and EDX”, X. National Electron Microscopy Congress, Istanbul, 18-20 September 1991.

9. M. Özenbas, “Synthesis and Characterization of Superconducting Y-Ba-Cu-O Films”, Proc. of International Ceramic Congress, Istanbul, 19-23 October 1992, pp.580-586.

10. M. Özenbas, “Hot Filament Assisted Chemical Vapor Deposition of Diamond Coatings”, Proc. of II. International Ceramic Congress, Istanbul, 24-28 October 1994, pp.85-94.

11. M. Özenbas, “Developments in Hard Coatings and Diamond Films”, 6. Denizli Materials Symposium, 12-14 April 1995, pp.162-171.

12. M. Özenbas, “Hard Coatings and Diamond Films”, 8. International Metallurgy and Materials Congress, Istanbul, 6-9 June 1995, pp.355-360.

13. M. Özenbas, " Chemical Vapor Deposition of Diamond Coatings", Turkish Journal of Medical Sciences, 1995, p.138.

14. M. Özenbas, "Preparation and Characterization of Ferroelectric Thin Films", Turkish Journal of Medical Sciences, 1995, p.139.

15. M. Özenbas, "Preparation and Characterization of Superconducting YBa₂Cu₃O_7-x Pellets", Turkish Journal of Medical Sciences, 1995, p.141.

16. M. Özenbas, "The Development of Metallic Materials Through the Ages", Bilim ve Teknik, April 1996, Vol. 29, No: 341, pp. 48-49.

17. M. Özenbas and N. Turhan, “Preparation of PZT Powders by Homogeneous Precipitation and Their Characterization”, 2. Toz Metalurji Kongresi, Eylül 1999, Ankara, Türkiye.

18. M. Özenbas and I. Aksay, “Micropatterning of Ferroelectric Pb(Zr_0.52Ti_0.48)O₃ Thin Films by Sol-Gel Processing”, 10^th International Metallurgy and Materials Congress, 24-28 May 2000, Istanbul, Türkiye, pp. 1639-1646.

19. M. Özenbas, A. Yildirim, “Characterization of Ferroelectric Pb(Zr_0.52Ti_0.48)O₃ Films Prepared by Sol-Gel Processing onto Stainless Steel Substrates”, V. Ceramics Congress with International Participation, 3-5 October 2001, Istanbul, Türkiye, pp. 434-438.

20. M. Özenbas, N. Özgüven, M. B. Emre, M. V. Demirbas, “Preparation and Properties of Ba_1-xSr_xTiO₃ Films Deposited by the Sol-Gel Technique”, V. Ceramics Congress with International Participation, 3-5 October 2001, Istanbul, Türkiye, pp. 439-444.

Thesis Supervised : 

1. Crystallization of Amorphous Selenium Thin Films, H. Kalebozan, METU, 1986.

2. Adhesion of Thin Films, F. Karaarslan, METU, 1986.

3. Amorphous to Crystalline Transition of Selenium Thin Films Deposited onto Aluminum Substrate, C. Pinarli, METU, 1989.

4. Effects of Annealing on Electrical Resistivity of Aluminum Thin Films, H. Güler, METU, 1990.

5. Effect of Surface Activation on the Adhesion Behaviour of Metallic Films, K. Sayginar, METU, 1990.

6. Synthesis and Characterization of Superconducting Y-Ba-Cu-O Thick Films, M. Yavuz, METU, 1991.

7.  Effect of Ni and Ti Substitution on the Superconducting Properties of YBa2Cu3O7-x System, METU, 1991.

8. Hot Filament Assisted Chemical Vapor Deposition of Diamond Coatings, A. Akbas, METU, 1994.

9. Characterization of Superconducting Y-Ba-Cu-O Thin Films Prepared by Resistive Evaporation, T. Güngören, METU, 1995.

10. Characterization of Superconducting Bi-Sr-Ca-Cu-O Thick Films Prepared by Sol-Gel Processing, E. Izgi, METU, 1996.

11. Ferroelectric Thin Films of PZT Composition by Sol-Gel Processing, Ü. Ergin, METU, 1997.

12. Order-Disorder Transformation in Thin Films, H. Yaroglu, METU, Ph.D. Thesis, 2001.

13. Micropatterning of Ferroelectric Pb(Zr_0.52Ti_0.48)O₃ Thin Films by Sol-Gel Processing, T. Yücel, METU (continuing).

14. Characterization of Ferroelectric Pb(Zr_0.52Ti_0.48)O₃ Films Prepared by Sol-Gel Processing onto Stainless Steel Substrates, A. Yildirim, METU, 2002.

15. Preparation and Properties of Ba_1-xSr_xTiO₃ Films Deposited by the Sol-Gel Technique, U. Adem, METU (continuing).

16. Characterization of TiO₂ Films Prepared by Sol-Gel Processing, Ö. Kaya, METU, 2002.