Dependence of the photorefractive properties of KTa1-xNb xO3:Cu,V on Cu valence state concentration

Victor Leyva*, Aharon Agranat, Amnon Yariv

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Absorption measurements and electron microprobe analysis are used to determine the density of Cu1+ and Cu2+ ions in a photorefractive KTa1-x Nbx O3: Cu,V sample. Photorefractive measurements are made over a wide range of Cu1+ and Cu2+ concentrations, altered by a series of oxidation and reduction treatments. Diffraction efficiencies were varied by over an order of magnitude while erasure rates were varied by over two orders of magnitude.

Original languageAmerican English
Pages (from-to)7162-7165
Number of pages4
JournalJournal of Applied Physics
Volume67
Issue number11
DOIs
StatePublished - 1990
Externally publishedYes

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