The study of the theory of crystalline growth methods in a gradual vertical freezing method applicable in crystals III-V and II-VI

سال انتشار: 1396
محل انتشار: ششمین کنفرانس انرژی های تجدید پذیر و تولید پراکنده ایران
کد COI اختصاصی: ICREDG06_154
زبان مقاله: انگلیسی
تعداد مشاهده: 479

نویسندگان

Department of Physics, Azarbaijan Shahid Madani University, Tabriz, Iran

چکیده

— ІІ-VІ and ІІІ-V compound semiconductors with their advantageous physical and optical properties are important for optical and electronic devices. Semi -insulating GaAs is applied for high-frequency devices such as metal-semiconductor field-effect transistors (MESFETs), high-electron- mobility transistors (HEMTs), and HBTs (heterojunction-bipolar transistors). In fact, their main applications are for cellular phones and broadcasting-satellite(BS) systems. Conductive GaAs substrates are used for light-emitting diodes (LEDs), and for laser diodes (LDs) used for displays and CD players. Conductive GaP is a key material for yellow-green display LEDs. Conductive InP substrates are needed for LEDs, LDs and photodiodes (PDs) for optical-fiber communications. Semi-insulating InP is required for HEMTs and HBTs, exceeding GaAs-based devices, to be used for anticollision systems and millimeter-wave communications [1]. CdTe and CdZnTe substrates are used for HgCdTe epitaxial films for far-infrared detectors. Semi-insulating CdTe is applied for X-ray or gamma-ray detectors. Even ZnTe single crystals are now required for pure-green LEDs based on intrinsic p -n junctions [2] GaAs, InP and GaP have> 80% of the compound semiconductor market and are mainly grown by the liquid-encapsulated –Czochralski (LEC) method except for conductive GaAs, which is grown by the horizontal Bridgman (HB) method.

کلیدواژه ها

electronic, semiconductors, transistors

مقالات مرتبط جدید

اطلاعات بیشتر در مورد COI

COI مخفف عبارت CIVILICA Object Identifier به معنی شناسه سیویلیکا برای اسناد است. COI کدی است که مطابق محل انتشار، به مقالات کنفرانسها و ژورنالهای داخل کشور به هنگام نمایه سازی بر روی پایگاه استنادی سیویلیکا اختصاص می یابد.

کد COI به مفهوم کد ملی اسناد نمایه شده در سیویلیکا است و کدی یکتا و ثابت است و به همین دلیل همواره قابلیت استناد و پیگیری دارد.