A high-performance sige-si multiple-quantum-well heterojunction phototransistor Pei, Zingway ; Liang, C. S. ; Lai, L. S. ; Tseng, Y. T. ; Hsu, Y. M. ; Chen, P. S. ; Lu, S. C. ; Tsai, M. -J. ; Liu, C. W. Abstract Publication: IEEE Electron Device Letters Pub Date: October 2003 DOI: 10.1109/LED.2003.817870 Bibcode: 2003IEDL...24..643P