Effects of natural and electrochemical oxidation processes on acoustic waves in porous silicon films

H. J. Fan, M. H. Kuok*, S. C. Ng, H. S. Lim, N. N. Liu, R. Boukherroub, D. J. Lockwood

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

The effects of natural and electrochemical oxidation processes on acoustic waves in porous silicon films were analyzed. The acoustic mode frequencies were observed to decrease with increasing oxidation time. The dependence of the surface and bulk acoustic mode frequencies on the natural oxidation time allows the evaluation of these wave frequencies for a porous silica glass film.

Original languageEnglish
Pages (from-to)1243-1247
Number of pages5
JournalJournal of Applied Physics
Volume94
Issue number2
DOIs
Publication statusPublished - Jul 15 2003
Externally publishedYes

ASJC Scopus Subject Areas

  • General Physics and Astronomy

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