Title :
A vertical Si/Si1-xGex heterojunction pMOSFET with reduced DIBL sensitivity, using a novel gate dielectric approach
Author :
Verheyen, P. ; Collaert, N. ; Caymax, M. ; Loo, Roger ; De Meyer, K. ; Van Rossum, M.
Author_Institution :
IMEC, Heverlee, Belgium
Abstract :
This paper describes a novel vertical pMOS transistor, based on a Si/Si(1-x)Gex heterojunction at the source/channel interface and using a sacrificial Si layer oxidation as gate dielectric
Keywords :
Ge-Si alloys; MOSFET; elemental semiconductors; oxidation; semiconductor heterojunctions; semiconductor materials; silicon; DIBL; Si-SiGe; Si/Si(1-x)Gex heterojunction; VAHMOS transistor; gate dielectric; sacrificial Si layer oxidation; vertical pMOSFET; Chemical vapor deposition; Dielectrics; Doping profiles; Etching; Germanium silicon alloys; Heterojunctions; MOSFET circuits; Oxidation; Silicon germanium; Threshold voltage;
Conference_Titel :
VLSI Technology, Systems, and Applications, 1999. International Symposium on
Conference_Location :
Taipei
Print_ISBN :
0-7803-5620-9
DOI :
10.1109/VTSA.1999.785989