A systematic study of MOCVD grown InP/InGaAIAs heterojunction bipolar transistors with anomalous switching behavior W.-C. Liu, W.-C. Wang, C.-H. Yen, C.-C. Cheng, C.-Z. Wu, W.-H. Chiou and C.-Y. Chuen J. Phys. IV France, 11 PR3 (2001) Pr3-957-Pr3-961 DOI: 10.1051/jp4:20013120