Novel transport phenomena in Si/Si1-xGex/Si double-heterojunction bipolar transistors Shen, G. D. ; Xu, D. X. ; Willander, M. ; Knall, J. ; Hasan, M. -A. ; Hansson, G. V. Abstract Publication: Semiconductor Science Technology Pub Date: May 1989 DOI: 10.1088/0268-1242/4/5/007 Bibcode: 1989SeScT...4..370S