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Soviet Physics Journal

, Volume 19, Issue 2, pp 215–219 | Cite as

Optical absorption in films of V2O5 and vanadium-phosphorus glasses

  • É. F. Ryannel'
  • V. I. Gaman
  • V. M. Kalygina
Article

Abstract

The results of an investigation of the spectral dependence of the absorption coefficient of amorphous and polycrystalline films of V2O5 and films of vanadium-phosphorus glasses in the 0.3–5 eV energy range are presented in this paper. It is shown that the fundamental absorption edge is determined by direct forbidden transitions; the nature of the absorption bands detected below the fundamental absorption edge is discussed.

Keywords

Absorption Coefficient Absorption Band Energy Range Optical Absorption V2O5 
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Copyright information

© Plenum Publishing Corporation 1977

Authors and Affiliations

  • É. F. Ryannel'
    • 1
  • V. I. Gaman
    • 1
  • V. M. Kalygina
    • 1
  1. 1.V. D. Kuznetsov Siberian Physicotechnical InstituteTomsk State UniversityUSSR

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