Temperature dependence of photoluminescence from self-organized Ge quantum dots with large size and

• 作 者: LI Hui HE Tao DAI LongGui WANG
• 机 构: InstituteofPhysics
• 出 处: 中国科学：物理学、力学、天文学英文版
• 发表日期: 2011年2期
• 关键词: GE量子点 光致发光 温度范围 大尺寸 自组织 高密度 发光强度 实验数据 Ge quantum dots PL AFM thermal quenching a
• 基金项目: This work was supported by the Ministry of Science and Technology of China, the National Natural Science Foundation of China （Grant Nos. 10471026 and 10874212）, and the National High Technology Resear

Photoluminescence(PL) from self-organized Ge quantum dots(QDs) with large size and low density has been investigated over a temperature range from 10 to 300 K using continuous-wave(CW) optical excitation.The integrated PL intensity of QDs observed is negl