Type-II SiGe/Si MQWS (multi-quantum wells) and self-organized Ge/Si islands grown by UHV/CVD system

Type-II SiGe/Si MQWs (Multi-Quantum Wells) and Self-Organized Ge/Si Islands were successfully grown by a homemade ultra-high vacuum/chemical vapor deposition (UHV/CVD) system. Growth characteristics and PL (photoluminescence) spectra at different temperature were measured. It demonstrated that some accumulation of carriers in the islands results in the increase of the integrated PL intensity of island-related at a certain temperature range.

Type-II SiGe/Si MQWs (Multi-Quantum Wells) and Self-Organized Ge/Si Islands were successfully grown by a homemade ultra-high vacuum/chemical vapor deposition (UHV/CVD) system. Growth characteristics and PL (photoluminescence) spectra at different temperature were measured. It demonstrated that some accumulation of carriers in the islands results in the increase of the integrated PL intensity of island-related at a certain temperature range.

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Chinese Mat Res Soc.; Minist Sci & Technol China.; Natl Nat Sci Fdn China.; China Assoc Sci & Technol.; Chinese Acad Sci.; Chinese Acad Engn.; Govt Shaanxi Province & Xian City.; China Electr Mat Assoc.

Chinese Acad Sci, Inst Semicond, State Key Lab Integrated Optoelect, Beijing 100083, Peoples R China

Chinese Mat Res Soc.; Minist Sci & Technol China.; Natl Nat Sci Fdn China.; China Assoc Sci & Technol.; Chinese Acad Sci.; Chinese Acad Engn.; Govt Shaanxi Province & Xian City.; China Electr Mat Assoc.