TITLE

Effect of channel orientation in p-type nanowire Schottky barrier metal-oxide-semiconductor field-effect transistors

AUTHOR(S)
Shin, Mincheol
PUB. DATE
August 2010
SOURCE
Applied Physics Letters;8/30/2010, Vol. 97 Issue 9, p092108
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Device performance of p-type nanowire Schotty barrier metal-oxide-semiconductor field-effect transistors is investigated focusing on the channel orientation effects. A rigorous quantum-mechanical calculation of hole current based on the multiband k·p method is carried out. The [111] oriented devices show the most superior performance, in terms of subthreshold slope, threshold voltage variation, and on-current. In particular, on-current in the [111] oriented devices is about twice as large as that in the [100] oriented devices. Tunneling effective mass, quantization energy, and Schottky barrier thickness are examined as the major factors that influence on the orientation-dependent current injection into the channel.
ACCESSION #
53421658

 

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