Zhang Yu-Jie, Zhang Wan-Rong, Jin Dong-Yue, Chen Liang, Fu Qiang, Guo Zhen-Jie, Xing Guang-Hui, Lu Zhi-Yi. Effects of Ge profile on thermal characteristics of SiGe heterojunction bipolar transistor with non-uniform doping profile in base regionJ. Acta Physica Sinica, 2013, 62(3): 034401. DOI: 10.7498/aps.62.034401