Patent ID: 9224866
Filing Date: 2015-12-29
Classification: H01L

Abstract:
1. A semiconductor structure comprising: a semiconductor fin of a first semiconductor material located over a substrate and having a uniform width throughout, said semiconductor fin comprising a source region, a drain region, and a body region laterally contacting said source region and said drain region; a first buffer semiconductor portion of a second semiconductor material in contact with a first portion of a top surface of said substrate and a bottom surface of said source region; a second buffer semiconductor portion of said second semiconductor material in contact with a second portion of said top surface of said substrate and a bottom surface of said drain region; a gate dielectric layer and a gate electrode that laterally surround said body region; at least one source-side semiconductor shell layer contacting a top surface and sidewalls of said source region; and at least one drain-side semiconductor shell layer contacting a top surface and sidewalls of said drain region, wherein said first semiconductor material is a first III-V compound semiconductor material and said second semiconductor material is a second III-V compound semiconductor material.