Time-resolved reflectance studies of silicon during laser thermal processing of amorphous silicon gates on ultrathin gate oxides

Y. F. Chong, H. J.L. Gossmann, M. O. Thompson, S. Yang, K. L. Pey, A. T.S. Wee

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The melt characteristics of silicon during laser thermal processing (LTP) of amorphous silicon gates on ultrathin gate oxides were investigated. To reduce the gate depletion effect in advanced semiconductor devices, LTP was used. In situ time-resolved reflectance (TRR) measurements and ex situ secondary ion mass spectrometry were used to study the influence of implantation-induced damage and chemical inhomogeneities on the melt behavior of ion-implanted a-Si. The results from TRR measurements show the presence of a buried melt for a-Si implanted with B +.

Original languageEnglish
Pages (from-to)6048-6053
Number of pages6
JournalJournal of Applied Physics
Volume95
Issue number11 I
DOIs
StatePublished - Jun 1 2004
Externally publishedYes

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