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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 27, Iss. 16 — Aug. 15, 1988
  • pp: 3344–3350

Optical constants of amorphous hydrogenated germanium thin films

Stuart B. White and David R. McKenzie  »View Author Affiliations


Applied Optics, Vol. 27, Issue 16, pp. 3344-3350 (1988)
http://dx.doi.org/10.1364/AO.27.003344


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Abstract

The optical constants (n + ik) and dielectric function (1 + 2) of thin films of amorphous hydrogenated germanium prepared by glow discharge decomposition of germane have been determined by photometry. The results were shown to be essentially unaffected by the presence of an oxide overlayer in contrast to recent results obtained using ellipsometry. The effect of deposition temperature was investigated. The effect of increasing substrate temperature is to increase the height of the peak in 2 and the energy at which the peak occurs. The energy gap E0 is not significantly affected by substrate temperature and has the value of 1.06 eV.

© 1988 Optical Society of America

History
Original Manuscript: December 11, 1987
Published: August 15, 1988

Citation
Stuart B. White and David R. McKenzie, "Optical constants of amorphous hydrogenated germanium thin films," Appl. Opt. 27, 3344-3350 (1988)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-27-16-3344

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