Thermal Oxidation of GaP

Yoshimine Kato, K. M. Geib, R. G. Gann, P. R. Brusenback, C. W. Wilmsen

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The surface topography and interface structure after thermal oxidation of GaP is reported for the temperature range 600 to 1220 °C. An extensive network of interfacial voids was observed in the substrate under the oxide film. The size of the voids was enlarged by a bulging of the oxide, probably as a result of pressure within the voids but also from a difference in the coefficients of expansion which also caused cracks in the oxide film. The voids begin as isolated cavities but coalesce into winding caverns after further oxidation or with increased temperature. The oxide begins to grow a significant thickness of oxide at approximately 650 °C in dry oxygen. In steam the oxidation rate is approximately ten times faster and there are no interfacial voids even after 2 μ of oxide growth.

Original languageEnglish
Pages (from-to)588-592
Number of pages5
JournalJournal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume2
Issue number2
DOIs
Publication statusPublished - Jan 1 1984
Externally publishedYes

Fingerprint

Oxides
voids
Oxidation
oxidation
oxides
Oxide films
oxide films
bulging
Steam
Surface topography
steam
Oxygen
Cracks
topography
Temperature
cracks
Hot Temperature
Substrates
cavities
expansion

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

Kato, Y., Geib, K. M., Gann, R. G., Brusenback, P. R., & Wilmsen, C. W. (1984). Thermal Oxidation of GaP. Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, 2(2), 588-592. https://doi.org/10.1116/1.572451

Thermal Oxidation of GaP. / Kato, Yoshimine; Geib, K. M.; Gann, R. G.; Brusenback, P. R.; Wilmsen, C. W.

In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, Vol. 2, No. 2, 01.01.1984, p. 588-592.

Research output: Contribution to journalArticle

Kato, Y, Geib, KM, Gann, RG, Brusenback, PR & Wilmsen, CW 1984, 'Thermal Oxidation of GaP', Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, vol. 2, no. 2, pp. 588-592. https://doi.org/10.1116/1.572451
Kato, Yoshimine ; Geib, K. M. ; Gann, R. G. ; Brusenback, P. R. ; Wilmsen, C. W. / Thermal Oxidation of GaP. In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films. 1984 ; Vol. 2, No. 2. pp. 588-592.
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