InP/InGaAs Heterojunction Bipolar Transistors Grown on Ge/P Co-implanted InP Substrates by Metal-Organic Molecular Bean Epitaxy
Abstract
InP/InGaAs Heterojunction Bipolar Transistors (HBTs) have demonstrated excellent high- frequency performance 1-4 and are widely used for optical fiber transmission 5-7. However; the current mesa HBT structure utilizes a very thick, highly doped n+InGaAs layer for the subcollector contact. This added mesa height makes multilevel interconnection processes more difficult, which impedes the capability of fabricating compact integrated circuits. In addition, rip has a much higher thermal conductivity than InGaAs, so heat dissipation may be a problem for densely packed circuits with the above structure. This paper reports on InP/InGaAs HBTs grown on Ge/P co-implanted substrates by Metal-Organic Molecular Beam Epitaxy (MOMBE). This embedded subcollector HBT structure offers several advantages for the fabrication of large-scale integrated circuits on InP substrates.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jan 01, 2002
- Accession Number
- ADP015097
Entities
People
- C. T. Liu
- D. J. Werder
- R. F. Kopf
- Woongje Sung
- Y. K. Chen
Organizations
- University of California, Los Angeles