Prof. Dr. Abdullah YILDIZ

19 Pages·2017·0.3 MB·English

Prof. Dr. Abdullah YILDIZ
Halil Sezai Erkut Cad. • Sazak Sok • No:2 • Etlik-Keçiören-ANKARA/TURKEY
TEL [phone]• E-MAIL [email protected]

PERSONAL INFORMATION
Birth date/place, 1981/Ankara
Personal web site, https://sites.google.com/site/yildizab/
Foreign Language Score (English): 82,5 (YDS 2014)

EDUCATION

PhD Gazi University, Physics Feb 2008

MS Gazi University, Physics Jan 2004

BS Gazi University, Physics June 2001

HONORS&AWARDS

Title of Fellowship 2013-2014
TUBITAK fellowsip for the Postdoc Position at the USA

Title of Rank Apr 5th 2012
Received the rank of Associate Professor from the Turkish Inter
University Council (UAK)

Title of Fellowship 2009-2010
TUBITAK fellowsip for the Postdoc Position at Ankara University

RESEARCH EXPERIENCE

Research Interests,
• Semiconductors,
• Transparent metal oxides,
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• Disordered systems,
• Metal-semiconductor transition,
• Carrier transport,
• Magneto transport,
• Thermoelectric properties,
• Nanostructures for energy harvesting,
• Fabrication of solar cells
• DSSCs
• Semiconductor devices
Projects,
• TUBITAK, “Investigation of Growth Behaviors and 2DEG Properties of of MgZnO/ZnO
Heterostructures grown by USPECVD Method” 2017-2020 (116F197)

• TUBITAK, “Energy Academy” (……) 2018-2019

• BAP, “Nanotechnology Laboratory” 2016-2017

• TUBITAK, “MOVPE Growth and Characterization of Epitaxial Germanium For Infrared
Photovoltaic and Sensor Applications” /2010-2012 (209T051)

• TUBITAK, “Preparations of nanostrucruted TiO thin films for environmental
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applications” 2008-2010 (107T584)

• TUBITAK, “Deposition of TiO thin films by sol-gel method and low temperatures
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electrical chracterization’’(……) 2009-2010

TEACHING EXPERIENCE

Prof. Dr., Yıldırım Beyazıt University (Ankara) 2017-…
Assoc. Prof. Dr., Yıldırım Beyazıt University (Ankara) 2012-2017
Assist. Prof. Dr., Yıldırım Beyazıt University (Ankara) 2012
Assist. Prof. Dr., Ahi Evran University (Kırşehir) 2008-2012
Research Assist., Ahi Evran University (Kırşehir) 2002-2008

Doctoral Students Advised
6) C. ALTINKAYA,Ankara Yıldırım Beyazıt Univ, Institute of Science

5) U. HARMANCI, Harran Univ, Institute of Science (co-supervisor)

4) K. ÖZEL, Ankara Yıldırım Beyazıt Univ, Institute of Science

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3) M. SBETA, Ankara Yıldırım Beyazıt Univ, Institute of Science

2) A. AT, Ankara Yıldırım Beyazıt Univ, Institute of Science

1) A. ATLI, Ankara Yıldırım Beyazıt Univ, Institute of Science

Masters Students Advised

10) O. Faruk GOKTAŞ, Gazi Univ, Institute of Science (co-supervisor)

9) N. Evşan KÖKSAL, Ankara Yıldırım Beyazıt Univ, Institute of Science

8) O. KARABUDAK, Ankara Yıldırım Beyazıt Univ, Institute of Science

7) H. TANRIKULU, Ankara Yıldırım Beyazıt Univ, Institute of Science

6) A. SEMERCİ "Synthesis of Tungsten Carbide and Platinum Composite Thin Films for
Hydrogen Production by Electrochemical Water Splitting as an Energy Source" Ankara
Yıldırım Beyazıt Univ, Institute of Science (2018).

5) C. ALTINKAYA "Synthesis of Molybdenum Carbide Thin Films for Production of
Hydrogen via Electrochemical Water Splitting" Ankara Yıldırım Beyazıt Univ, Institute of
Science (2018).

4) A. ATLI "Fabrication of Multilayer Dye-Sensitized Solar Cells" M.Sc, Ankara Yıldırım
Beyazıt Univ, Institute of Science (2018).

3) Z. K. YILDIZ "TiO2 based Dye-Sensitized Solar Cells Obtained by Sol-gel Method" M.Sc,
Ankara Yıldırım Beyazıt Univ, Institute of Science (2018).

2) B. YURDUGUZEL, "Structural and electrical properties of Co-doped ZnO
nanocrystalline thin films" M.Sc, Ahi Evran Univ., Institute of Science (2011).

1) B. KAYHAN, "Determination of electrical conduction properties of Ni-doped ZnO
nanocrystalline thin films" M.Sc, Ahi Evran Univ., Institute of Science (2011).

Courses taught:
• Semiconductors
• Nanogenerators and self-powered nanosystems
• Renewable energy systems
• Solar energy basics
• Physics I
• Physics II
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• Electronic I
• Electronic II
• Solid state physics
• Electrical, optical and magnetic properties of materials

PUBLICATIONS-SCI (h-index: 18)

(2018)

65) M. Sbeta, T. Serin, A. Yildiz "Determination of the critical carrier concentration for
the metal-insulator transition in Ga-doped ZnO" Journal of Materials Science: Materials
in Electronics (https://doi.org/10.1007/s10854-018-9543-9)

64) S. Emin, C. Altinkaya, A. Semerci, H. Okuyucu, A. Yildiz, P. Stefanov "Tungsten
carbide electrocatalysts prepared from metallic tungsten nanoparticles for efficient
hydrogen evolution" Applied Catalysis B: Enviromental 236 (2018) 147.

63) P. Narin, E. Kutlu, G. Atmaca, A. Atılgan, A. Yildiz and S. B. Lisesivdin "Structural and
Optical Properties of Hexagonal ZnO Nanostructures grown by Ultrasonic Spray CVD"
Optik 168 (2018) 86.

62) M. Sbeta, A. Atilgan, A. Atli, A. Yildiz ''Influence of the spin acceleration time on the
properties of ZnO:Ga thin films deposited by sol-gel method''Journal of Sol-Gel Science
and Technology 86 (2018) 513.

(2017)

61) A. Yildiz, E. Ozturk, A. Atilgan, M. Sbeta, A. Atli, T. Serin, ''An understanding of the
band gap shrinkage in Sn-doped ZnO for dye-sensitized solar cells'' Journal of Electronic
Materials 46 (2017) 6739 (Editor’s Choice for Free Access).

60) D. Mardare, C. Adomnitei, D. Florea, D. Luca, A. Yildiz ''The effect of CO2 gas
adsorption on the electrical properties of Fe doped TiO2 films'' Physica B 524 (2017) 17.

59) T. Serin, A. Atilgan, I. Kara, A. Yildiz "Electron transport in Al-Cu co-doped ZnO thin
films"Journal of Applied Physics 121 (2017) 095303.

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58) I. Kara, A. Atilgan, T. Serin, A. Yildiz "Effects of Co and Cu dopants on the structural,
optical, and electrical properties of ZnO nanocrystals" Journal of Materials Science:
Materials in Electronics 28 (2017) 6088.

(2016)

A57. I. Kara, A. Yildiz, G. Yildiz, B. Dogan, N. Serin, T. Serin "Al and X (Sn, Cu, In) co-
doped ZnO nanocrystals"Journal of Materials Science: Materials in Electronics 27 (2016)
6179.

A56. A. Yildiz, S. Uzun, N. Serin, T. Serin "Influence of grain boundaries on the figure of
merit of undoped, Al, In, and Sn doped ZnO thin films for photovoltaic
applications"Scripta Materialia 113 (2016) 23.

A55. C. Duran, A. Yildiz, S. Dursun, J. Mackey, A. Sehirlioglu "Thermoelectric
Characteristics of Textured KSr2Nb5O15 Ceramics" Scripta Materialia 112 (2016) 114.

(2015)

A54. A. Yildiz, H. Cansizoglu, M. Turkoz, c, R. Abdulrahman, Alaa Al-Hilo, M.F.
Cansizoglu, T.M. Demirkan, T. Karabacak, "Glancing angle deposited Al-doped ZnO
nanostructures with different structural and optical properties" Thin Solid Films 589
(2015) 764.

A53. A. Yildiz , H. Cansizoglu, R. Abdulrahman and T. Karabacak "Effect of grain size and
strain on the band gap of glancing angle deposited AZO nanostructures" Journal of
Materials Science: Materials in Electronics 26 (2015) 5952.

A52. A. Yildiz, H. Cansizoglu and T. Karabacak "Electrical transport in AZO nanorods"
Applied Surface Science (10.1016/j.apsusc.2015.02.067)

A51. T. Serin, S. Gurakar, H. Ot, A. Yildiz and N. Serin"Influence of oxygen flow rate in
CuO" Applied Surface Science (doi:10.1016/j.apsusc.2015.01.095)

(2014)

A50. A. Yildiz, S. Horzum, T. Serin and N. Serin "Hopping conduction in In-doped CuO
thin films" Applied Surface Science 318 (2014) 105.
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(2013)

A49. S. Horzum, A. Yildiz, N. Serin and T. Serin "Carrier transport in In-doped CuO thin
films". Philosophical Magazine-accepted- (2013).

A48. A. A. Alsaç, A. Yildiz, T. Serin and N. Serin "Improved conductivity of Sb-doped
SnO2 thin films" Journal of Applied Physics 113 (2013) 063701.

(2012)

A47. A. Yildiz, T. Serin, E. Öztürk and N. Serin "Barrier-controlled electron transport in
Sn-doped ZnO polycrstalline thin films" Thin Solid Films 522 (2012) 90.

A46. D. Mardare, A. Yildiz, M. Girtan, A. Manole, M. Dobromir, D. Florea, N. Cornei, D.
Luca "Surface wettability of titania thin films with increasing Nb content" Journal of
Applied Physics 112 (2012) 073502.

A45. N. Serin, A. Yildiz, E. Çam, Ş. Uzun and T. Serin "Fluctuating in the hopping rate of
CuO thin films with respect to substrate temperature" Superlattices and
Microstructures 52 (2012) 759.

A44. D. Mardare, A. Yildiz, R. Apetrei, P. Rambu, D. Florea, N. G. Gheorghe, D. Macovei,
C. M. Teodorescu and D. Luca " The Meyer-Neldel rule in Fe-doped TiO2 amorphous
films " Journal of Material Research 27 (2012) 2271.

A43. A. Yildiz, B. Yurduguzel, B. Kayhan, G. Calin, M. Dobromi and F. Iacomi "Electrical
conduction properties of Co-doped ZnO nanocrystalline thin films" J. Mater. Sci.:
Materials in Electronics 23 (2012) 425.

A42. A. Yildiz and F. Iacomi "On the mechanism of electrical conduction in Co-doped
ZnO nanocrystalline thin films" Journal of Physical Society of Japan 81 (2012) 054602.

(2011)

A41. A. Yildiz, and D. Mardare "Polaronic transport in TiO thin films with increasing Nb
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content" Philosophical Magazine 91 (2011) 4401.

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A40. N. Serin, A. Yildiz, A. A. Alsaç, and T. Serin “Estimation of compensation ratio by
identifying the presence of different hopping conduction mechanisms in SnO2 thin
films” Thin Solid Films 519 (2011) 2302.

A39. D. Mardare, N. Iftimie, M. Crisan, A. Altcienva, A. Yildiz, T. Coman, A. Vomvas, K.
Pomoni “Electrical Conduction Mechanism and Sensing Gas Properties of the Sol-Gel
Deposited Pd-Doped TiO2” J. Non-Cryst.Solids 357 (2011) 1774.

A38. A. Yildiz, N. Serin and T. Serin “Effect of gamma irradiation on the shallow defect
states of hydrogenated amorphous silicon films” Eur. Phys. J. Appl. Phys. 53 (2011)
10502.

A37. A. Yildiz, A. A. Alsaç, T. Serin and N. Serin “The change in the electrical transport
mechanism from the grain boundary conduction to the nearest-neighbor hopping
conduction in SnO2” J. Mater. Sci.: Materials in Electronics 22 (2011) 872.

A36. D. Mardare, A. Manole, A. Yildiz, D. Luca “Photoinduced wettability of titanium
oxide thin films” Chem. Eng. Commun. 198 (2011) 530.

A35. A. Yildiz, P. Tasli, B. Sarikavak, S. B. Lisesivdin, M. K. Ozturk, M. Kasap, S. Ozcelik, E.
Ozbay "Grain boundary related electrical transport in Al-rich AlxGa1-xN layers grown by
metal organic chemical vapor deposition" Semiconductors+ 45 (2011) 33.

A34. T. Serin, A. Yildiz, Ş. H. Şahin and N. Serin “Extraction of important electrical
parameters of CuO” Physica B 406 (2011) 575.

A33. A. Yildiz, D. Crisan, N. Dragan, N. Iftimie, D. Florea and D. Mardare “Effect of
formaldehyde gas adsorption on the electrical conductivity of Pd-doped TiO2 thin films”
J. Mater. Sci.: Materials in Electronics 22 (2011) 1420.

A32. A. Yildiz, B. Kayhan, B. Yurduguzel, A. P. Rambu, F. Iacomi and S. Simon "Ni doping
effect on electrical conductivity of ZnO nanocrystalline thin films" J. Mater. Sci.:
Materials in Electronics 22 (2011) 1473.

A31. T. Serin, A. Yildiz, Ş. H. Şahin and N. Serin "Multiphonon hopping of carriers in CuO"
Physica B 406 (2011) 3551.

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A30. T. Serin, A. Yildiz, Ş. Uzun, E. Çam and N. Serin "Electrical conduction properties of
In-doped ZnO thin films" Phys. Scr. 84 (2011) 065703.

A29. A. Yildiz, F. Iacomi, M. Cazacu, A. Amironesei, G. I. Rusu, S. Simon "The Meyer-
Neldel rule in layered silicone-silver nanocomposites" Polymer Comp. 32 (2011) 1751.

A28. T. Serin, A. Yildiz, and N. Serin “Electrical properties of polycrystalline SnO2 thin
films” Appl. Phys. Express 4 (2011) 121101.

(2010)

A27. A. Yildiz, and M. Kasap "The temperature dependence of the inelastic scattering
time in InGaN grown by MOVPE" Low Temp. Phys. 36 (2010) 320.

A26. A. Yildiz, N. Serin, M. Kasap, T. Serin, D. Mardare “The thickness effect on the
electrical conduction mechanism in titanium oxide thin films ” J. Alloys and Comp. 493
(2010) 227.

A25. A. Yildiz, S. B. Lisesivdin, M. Kasap, S. Ozcelik, E. Ozbay, N. Balkan, "Investigation of
low temperature electrical conduction mechanisms in highly resistive GaN bulk layers
extracted with SPCEM" Appl. Phys. A 98 (2010) 557.

A24. P. Tasli, S. B. Lisesivdin, A. Yildiz, M. Kasap, E. Arslan, E. Özbay, and S. Özcelik "Well
parameters of the two-dimensional electron gas in Al0.88In0.12N/AlN/GaN/AlN
heterostructures grown by MOCVD" Cryst. Res. Tech. 45 (2010) 133

A23. A. Yildiz, F. Iacomi and D. Mardare “Polaron transport in TiO2 thin films” J. Appl.
Phys. 108 (2010) 083701.

A22. S. B. Lisesivdin, A. Yildiz, N. Balkan, M. Kasap, S. Ozcelik, E. Ozbay "Scattering
Analysis of Two-dimensional Electrons in AlGaN/GaN with Bulk Related Parameters
Extracted by Simple Parallel Conduction Extraction Method" J. Appl. Phys. 108 (2010)
013712.

A21. P. Tasli, A. Yildiz, M. Kasap, E. Ozbay, S. B. Lisesivdin, S. Ozcelik "Contributions of
the impurity band and electron-electron interactions to the magnetoconductance of
AlGaN" Philosophical Magazine 90 (2010) 3591.

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A20. T. Serin, A. Yildiz, N. Serin, N. Yıldırım, F. Özyurt and M. Kasap "Electron-electron
interactions in Sb-doped SnO2 thin films" J. Elect. Mater. 39 (2010) 1152.

A19. A. Yildiz, S. B. Lisesivdin, P. Tasli, E. Özbay and M. Kasap "Determination of the
critical indium composition corresponding to the metal-insulating transition in InxGa1-
xN (0.06 < x < 0.135) layers" Current Applied Phys. 10 (2010) 838.
A18. A. Yildiz, N. Serin, T. Serin and M. Kasap "Crossover from nearest-neighbor
hopping conduction to Efros-Shklovskii variable-range hopping conduction in
hydrogenated amorphous silicon films"Jpn.J.Appl.Phys. 48 (2009) 111203.

A17. A. Yildiz, S. B. Lisesivdin, M. Kasap and D. Mardare“The substrate temperature
effect on the electrical properties of titanium oxide thin films” J. Mater. Sci.: Mater.
Electron. 21(2010) 692.

(2009)

A16. A. Yildiz, N. Serin, T. Serin and M. Kasap "The effect of intrinsic defects on the hole
transport in bulk Cu2O polycrystal" Opt. Adv. Mat. Rapid Comm. 3 (2009) 1034.

A15. A. Yildiz, S. B. Lisesivdin, H. Altuntas, M. Kasap, S. Ozcelik, "Electrical conduction
properties of Si δ-doped GaAs grown by MBE" Physica B 404 (2009) 4202.

A14. A. Yildiz, M. K. Ozturk, M. Bosi, S.Ozcelik and M. Kasap “Structural, electrical and
optical characterization of InGaN layers grown by MOVPE” Chinese Physics B 18 (2009)
4007.

A13. S. B. Lisesivdin, N. Balkan, O. Makarovsky, A. Patane, A. Yildiz, M. D. Caliskan, M.
Kasap, S. Ozcelik, E. Ozbay "Large zero-field spin splitting in AlGaN/AlN/GaN/AlN
heterostructures" Journal of Applied Physics 105 (2009) 093701.

A12. S. B. Lisesivdin, H. Altuntas, A. Yildiz, M. Kasap, E. Ozbay, S. Ozcelik, "DX-center
Energy Calculation with Quantitative Mobility Spectrum Analysis in n-AlGaAs/GaAs
Structures with Low Al Content" Superlatt. Microstruc. 45 (2009) 604.

A11. A. Yildiz, S. B. Lisesivdin, M. Kasap, D. Mardare "Non-adiabatic small polaron
hopping conduction in Nb-doped TiO2 thin film" Physica B 404 (2009) 1423.

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A10. A. Yildiz, S. B. Lisesivdin, M. Kasap, M. Bosi "Anomalous resistivity behaviour in
In0.17Ga0.83N" Solid State Commun. 149 (2009) 337.

(2008)

A9. A. Yildiz, S. B. Lisesivdin, M. Kasap and D. Mardare,” Electrical properties of TiO2
thin films” J. Non-Cryst.Solids 354 (2008) 4944.

A8. S. B. Lisesivdin, S. Demirezen, M. D. Caliskan, A. Yildiz, M. Kasap, S. Ozcelik and E.
Ozbay “Growth parameters investigation of Al0.25Ga0.75N/GaN/AlN heterostructures
with Hall Effect Measurements” Semicond. Sci. Technol. 23 (2008) 095008.

A7. A. Yildiz, F. Dagdelen, S. Acar, S. B. Lisesivdin, M. Kasap, Y. Aydogdu and M. Bosi
“Stokes shift and bandgap bowing in InxGa1-xN (0.060 ≤ x ≤ 0.105) grown by MOVPE”
Acta Physica Pol. (a) 113 (2008) 731.

(2007)

A6. S. Acar, A. Yildiz, M. Kasap and M. Bosi, “Temperature dependent electron transport
in In0.5Ga0.5P/GaAs grown by MOVPE” Chin. Phys. Lett. 24 (2007) 2373.

A5. S. B. Lisesivdin, A. Yildiz, and M. Kasap, “Optimization of alloy composition,
interlayer and barrier thicknesses in AlxGa1-xN/(AlN)/GaN high electron mobility
transistors” Opt. Adv. Mater.-Rapid Comm. 1 (2007) 467.

A4. A. Yildiz, S. B. Lisesivdin, S. Acar, M. Kasap and M. Bosi, “Electron transport in Ga-
rich InxGa1-xN alloys” Chin. Phys. Lett. 24 (2007) 2930.

A3. A. Yildiz, S. B. Lisesivdin, M. Kasap, D. Mardare "High temperature variable-range
hopping conductivity in undoped TiO2 thin film" Opt. Adv. Mater.-Rapid Comm. 1 (2007)
531.

A2. S. B. Lisesivdin, A. Yildiz, S. Acar, M. Kasap, S. Ozcelik and E. Ozbay ”The Effect of
Strain Relaxation on Electron Transport in Undoped Al0.25Ga0.75N/GaN HEMT
Structures” Physica B 399 (2007) 132.

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