Ambipolar Carrier Injection Characteristics of Erbium-Silicidedn-Type Schottky Barrier Metal–Oxide–Semiconductor Field-Effect Transistors

Autor: Chel-Jong Choi, Moongyu Jang, Seongjae Lee, Myung-Sim Jeon, Byoungchul Park, Yarkyeon Kim
Rok vydání: 2006
Předmět:
Zdroj: Japanese Journal of Applied Physics. 45:730-732
ISSN: 1347-4065
0021-4922
DOI: 10.1143/jjap.45.730
Popis: Erbium-silicided 50-nm-gate-length n-type Schottky barrier metal–oxide–semiconductor field-effect transistors (SB-MOSFETs) with a 5 nm gate oxide thickness are manufactured. Their on/off-current ratio is higher than 105 with low leakage current less than 10 nA/um. The abnormal increase of drain current with a negative gate voltage is explained by the hole carrier injection from drain into the channel. In SB-MOSFETs, ambipolar carriers, i.e., electrons and holes, can be injected into the channel depending on gate voltage polarity.
Databáze: OpenAIRE