ARŞ. GÖR. DR. DEFNE AKAY    
Adı : DEFNE
Soyadı : AKAY
E-posta : dakay@science.ankara.edu.tr
Tel : 0 (312) 2126720 / 1529
Ünvan : ARŞ. GÖR. DR.
Birim : FEN FAKÜLTESİ
Bölüm : FİZİK BÖLÜMÜ
ABS Adresi:https://abs.ankara.edu.tr/defne-akay
Kişisel Akademik Bilgiler
Kişisel Bilgiler

Dr. Defne AKAY (Araş. gör)

 Ankara University, Faculty of Science,

Dept. of Physics, Tandoğan Campus,06100,

Ankara/ TURKEY

Phone: +90 312212620/ 1529

Fax: +90 3122232395

e-mail: dakay@science.ankara.edu.tr

Uyruğu: T.C
Doğum Yeri: Ankara
Doğum Tarihi: 14.05.1985
Medeni Hali: Evli, 1 çocuk
Kişisel Web Sayfası:  http://80.251.40.59/science.ankara.edu.tr/dakay/
EĞİTİM
1999-2003 Mehmetçik Lisesi - Yabancı Dil Ağırlıklı ( Lise )
2003-2007 Ankara Üniversitesi, Fizik Bölümü ( Lisans )
2008-2010 Ankara Üniversitesi, Fen Bilimleri Enstitüsü, Fizik A.B.D. ( Yüksek Lisans )
2010-2016 Ankara Üniversitesi, Fen Bilimleri Enstitüsü, Fizik A.B.D. ( Doktora)  
2017- 2018  University of Regensburg, Theoretical Physics Institute, Condensed Matter Theory, Quantum Transport and Spintronics Group. Regensburg, Germany, (Post-Doc Researcher)
   

   Başarı Bursu ve Aldığı Ödüller


·        2003 Aralık- 2010 Eylül :  Dalgıç Vakfı Başarı Bursu

·        2007  Haziran : Fizik Bölümü Derecesi Ödülü

·      2013 Eylül-2016 Eylül: Tübitak 1001 projesi kapsamında Doktora Bursiyeri

·    2014  Aralık  : Yoğun Madde Fiziği Ankara Toplantısı, Poster sunumu birincilik ödülü.

·     2017 Kasım-2018 Kasım: 2219 TÜBİTAK-BİDEP\ 12ay–yurtdışı doktora sonrası araştırma bursu/ Regensburg University-Almanya

       
    Ulusal ve Uluslararası Dergilerde Hakemlikler


     Bildiri Özetleri Kitabında Basılan Sunumlar

  1.   "Topological Defects in Graphene Cone " Graphene & Related materials (GRM-2014) Workshop & Summer School 9-11 July,2014( Sözlü sunum).
  2. "Topolojik Kusurlu Grafen Konilerin Eğik Bir Manyetik Alanda Sınırlanması" Hacettepe University, 20. Yoğun Madde Fiziği Ankara Toplantısı, 26 December 2014(Poster sunum)(Birincilik Ödülü). pp:64
  3.  "The Effect of Tilted Magnetic Field on Graphene Cone "  Istanbul University World Conference on Technology, innovation and entrepreneurship, May 28-30, 2015(Sözlü sunum). OP322, pp. 77.
  4.   “Magnetic Field Effects on Parabolic Graphene Quantum Dots with Topological Defects” 18th International Conference on Engineering Materials and Applications,  January 25-26, 2016 (Sözlü sunum). International Scholarly and Scientific Research & Innovation 3(1) 2016.
  5.   " Electron-Zone Boundary Phonon Interactions in Graphene: Effect of Haldane-like Mass " 2016 Graphene & Related materials Conference (GRM-2016) 13-15 Temmuz 2016 (poster sunumu). Bilkent University/Ankara
  6. "Spin-Yörünge Kuplajlı Grafende Elektron- A1g Fonon Etkileşmesi"  Ankara University 22. Condensed Matter Physics Ankara Meeting, December 16, 2016 (Poster sunum). (Düzenleme Kurulu Üyesi)
  7.  “Tuning the Dynamical Band Gap in Graphene by Haldane Interaction” International Congress on Semiconductor Materials and Devices (ICSMD-2017), August 19, 2017 (Sözlü Sunum)
  8. “Investigation of Frequency Dependent Effects Before And After Gamma-Ray Irradiation on Al/C24H12/p-Si Structures” International Congress on Semiconductor Materials and Devices (ICSMD-2017), August 19, 2017 (poster sunum)
  9.  “Gamma-Ray Irradiation Effects on Electric Characteristic of Al/C24H12/p-Si Structures” International Congress on Semiconductor Materials and Devices (ICSMD2017), August 19, 2017 (poster sunum)
  10.  “Gamma-Ray Irradiation Effects on Electrical Properties of PMMA/PBO Deposited on p-type silicon”  6th European Conference on Renewable Energy Systems,  25-27 Haziran 2018 (poster sunum)
  11.   “Frequency Dependent Effects Before and After Gamma-Ray Irradiation on Al/C42H28/p-Si Structure” 5th International coference on materials science and nanotechnology for next generation (MSNG2018) 04-06 Ekim 2018 (sözlü sunum )
  12.    “Electronic and Conductivity Characteristics of Rubrene Pentagon Based Schottky Barrier Diodes (SBDs): Co60 Gamma-Ray Irradiation” 7th European Conference on Renewable Energy Systems (Madrid),       10-12 Haziran 2019 (sözlü sunum)
  13.   “Gamma-Ray Irradiation Impacts on the Current-Voltage Relations of Rubrene Based Organic Metal Polymer Semiconductor” 7th European Conference on Renewable Energy Systems (Madrid),       10-12 Haziran 2019 (sözlü sunum)


 

        Uluslararası Hakemli Dergilerde Yayınlar 

  1.  B. S. Kandemir and D. Akay (2015) "Tuning the pseudo-Zeeman splitting in graphene cones by     magnetic field", Journal of Magnetism and Magnetic Materials, Volume 384, Pages 101-105.           DOI: 10.1016/j.jmmm.2015.02.019
  2. Defne Akay (2015) "The Effect of Tilted Magnetic Field in Graphene Cone", Procedia-Social       and      Behavioral      Sciences,  2913-2920  DOI:10.1016/j.sbspro.2015.09.114
  3. Defne Akay, Bekir S. Kandemir (2016) "Magnetic Field Effects on Parabolic Graphene Quantum Dots with Topological Defects", International Journal of Chemical, Molecular, Nuclear, Materials and Metallurgical Engineering, vol. 10, pp. 54-58.
  4. B. S. Kandemir, D. Akay (2016) "Off-plane Impurity Effects in Graphene Quantum Dots" Cumhuriyet Science Journal. TÜBİTAK Ulakbim Vol. 17, No. 1.. DOI: 10.17776/csj.14715. 
  5. B. S. Kandemir, D. Akay (2017) "The Effect of Electron- A1g Phonon Coupling in Spin-Orbit Coupled Graphene" Philosophical Magazine : Part A, Vol. 97, No. 25,  pp. 2225-2235. DOI:10.1080/14786435.2017.1328137
  6. D. Akay (2018) "Trigonal warping and photo-induced effects on zone boundary phonon in monolayer graphene" Superlattices and Microstructures Vol. 117, P. 1824. DOI:10.1016/j.spmi.2018.02.035
  7. D. Akay, S. Karadeniz, A.B. Selçuk, S.B. Ocak (2018) "Effect of Gamma-Ray Irradiation on the Electrical Characteristics of Al/C24H12/p-Si Nano-Structure" Physica Scripta 93 095301. DOI:10.1088/1402-4896/aad2a7
  8. B. S. Kandemir, D. Akay (2018) "Photoinduced dynamical band gap in graphene: The effects electron-phonon and spin-orbit interaction" Physica Status Solidi B, DOI: 10.1002/pssb.201800163 
  9.  D. Akay, E. Efil, N. Kaymak, E. Orhan, S.B.Ocak (2018) "Study of Frequency Dependent Characterization: Applied Gamma-Ray Irradiation on Metal-Polymer Nanostructure"      Journal      of       Radioanalytical      and       Nuclear      Chemistry DOI: 10.1007/s10967-018-6210-9 
  10.  M.F.C. Fobasso, A.J Fotue, S.C. Kenfack, Jr.G.N. Bawe, D. Akay, L.C. Fai (2018) "Stability and coherence of strong-coupling magneto-bipolaron in asymmetric quantum dot under laser field effect" Physics Letters A DOI: 10.1016/j.physleta.2018.10.009 
  11.  M.F.C. Fobasso, A.J Fotue, S.C. Kenfack, C. M. Ekengue, C.D.G. Ngoufack, D. Akay, L.C. Fai (2019) "Laser light and external magnetic field control of Polaron in asymmetric quantum dot" Superlattices and Microstructures DOI: 10.1016/j.spmi.2018.12.023
  12. D. Akay, U. Gokmen, S. B. Ocak (2019) "Radiation induced changes on poly (methyl methacrylate)(PMMA)/lead oxide (PbO) composite nanostructure" Physica Scripta DOI:10.1088/1402-4896/ab2aa4
  13. D. Akay, S. B. Ocak (2019) "Tuning the electrical properties with higher gamma-ray irradiation: poly (methyl methacrylate)/lead oxide (PbO) composite nanostructures" Surface Review and Letters DOI: 10.1142/S0218625X19501567
  14. D. Akay (2019) "Triangular potential effects on the fermi velocity renormalization in 8-Pmmn borophene" Journal of Boron DOI: 10.30728/boron.599559

      Proje Deneyimi

 

·   Araştırmacı   “Carbon nanostructures: graphene dot, graphene anti-dot, and carbon nanotubes” Ankara University BAP Project, no:12B420009. (2012-2014)

· Bursiyer “Bench-Top Particle Physics and Gravitation in Graphene” TUBİTAK, no:113F103 (Eylül 2013-Eylül 2016) 

· Rehber   “Şimdi Bilim Gerçek Hayat Atölyelerinde Herkes için” TUBİTAK, no:1168072 (10-12 Mayıs 2016) 

  • Atölye Lideri “Bilim Yolculuğu” (TÜBİTAK 4007 Projesi) , 4-6 Ekim 2017 Ankara


Uluslararası conferanslarda Bilim Komitesi Üyeliği

1.        ICQDN 2017 : 19th International Conference on Quantum Dots and Nanostructures. Rome, Italy (July 17 - 18, 2017)  (https://waset.org/conference/2017/07/rome/ICQDN/committees) 

2.       ICCSMS 2017 : 19th International Conference on Crystallographic, Spectroscopic and Materials Science. Prague, Czechia (September 4 - 5, 2017)      (https://waset.org/conference/2017/09/prague/ICCSMS/committees)

 3.    ICPOQE 2017 : 19th International Conference on Photonics, Optoelectronics and Quantum Electronics. London, United Kingdom (November 23 - 24, 2017) (https://waset.org/conference/2017/11/London/ICPOQE/committees)   

4.    ICQTN 2018: 20th International Conference on Quantum Transport in Nanostructures. Miami, USA (March 12-13 2018)  (https://waset.org/conference/2018/03/miami/ICQTN/committees)

5.    ICTN 2018: 20th International Conference on Transport in Nanostructures. Singapore, SG (March 22-23, 2018)(https://waset.org/conference/2018/03/singapore/ICTN/committees)

6.     ICQMS 2018: 20th International Conference on Quantum Mechanics and Simulators. Baston, USA (April 23-24, 2018) (https://waset.org/conference/2018/04/boston/ICQMS/committees)


 Araştırma Alanı
  Teorik Yoğun Madde Fiziği
   Düşük Boyutlu Sistemler
   Graphene, Silicene, Topolojik Yalıtkanlar
   Düşük Boyutlu Sistemlerde Elektron-Fonon Etkileşmesi
   Düşük Boyutlu Sistemlerde Topolojik Etkiler
   Transport Teorisi ve Kubo Formula
    Lazer Fiziği