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Browsing by Author "Donmez, Omer"

Browsing by Author "Donmez, Omer"

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  • Magnetotransport study on as-grown and annealed n- and p-type modulation-doped GaInNAs/GaAs strained quantum well structures 
    Donmez, Omer; Sarcan, Fahrettin; Erol, Ayse; Gunes, Mustafa; Arikan, Mehmet Cetin; Puustinen, Janne; Guina, Mircea (NANOSCALE RESEARCH LETTERS / Springer Open, 2014-03)
    We report the observation of thermal annealing- and nitrogen-induced effects on electronic transport properties of as-grown and annealed n- and p-type modulation-doped Ga1-xInxNyAs1-y (x = 0.32, y = 0, 0.009, and 0.012) ...
  • Optical characterization of Ga0.965Mn0.03Cr0.005As thin film grown by molecular beam epitaxy 
    Donmez, Omer; Gunes, Mustafa; Erol, Ayse; Cokduygulular, Erman (Artıbilim: Adana Alparslan Türkeş Bilim ve Teknoloji Üniversitesi Fen Bilimleri Dergisi = Artıbilim: Adana Alparslan Türkeş Science and Technology University Journal of Science / Adana Alparslan Türkeş Bilim ve Teknoloji Üniversitesi, 2021-12)
    In this study, optical properties of Chrome (Cr) and Manganese (Mn) containing GaMnCrAs epilayer are investigated using temperature dependent photoconductivity (PC) technique. Alloy composition is determined with secondary ...
  • Optical properties of GaAs1-xBix/GaAs quantum well structures grown by molecular beam epitaxy on (100) and (311)B GaAs substrates 
    Gunes, Mustafa; Ukelge, Mulayim Ongun; Donmez, Omer; Erol, Ayse; Gumus, Cebrail; Alghamdi, Haifaa; Galeti, Helder Vinicius Avanço; Henini, Mohamed; Schmidbauer, Martin; Hilska, Joonas; Puustinen, Janne; Guina, Mircea (SEMICONDUCTOR SCIENCE AND TECHNOLOGY / IOP PUBLISHING LTD, 2018-12)
    In this work, the electronic bandstructure of GaAs1-xBix/GaAs single quantum well (QW) samples grown by molecular beam epitaxy is investigated by photomodulated reflectance (PR) measurements as a function of Bi content ...