Explorations of new types of second-order nonlinear optical materials in Cd(Zn)-Vv-TeIV-O systems

Hai Long Jiang, Shu Ping Huang, Yang Fan, Jiang Gao Mao, Wen Dan Cheng

Research output: Contribution to journalArticle

98 Scopus citations

Abstract

Solid-state reactions of zinc(II) or cadmium(II) oxide, V2O 5, and TeO2 at high temperature led to two novel quaternary compounds, namely, Zn3V2TeO10 and Cd4V2Te3O15. The structure of Zn3V2TeO10 is a complicated three-dimensional (3D) network constructed by the interconnection of ZnO5, ZnO 6, VO4, and TeO4 polyhedra via corner- and edge-sharing. Cd4V2Te3O15 with an acentric structure features a 3D network in which the cadmium tellurite layers are further interconnected by both "isolated" VO4 tetrahedra and one-dimensional (ID) vanadium oxide helical chains. Cd 4V2Te3O15 displays a second harmonic generation (SHG) efficiency of about 1.4 times that of KH2PO 4 (KDP). Both compounds are direct band-gap semiconductors and are transparent in the range of 0.6-10.0 μm. Measurements of luminescence indicate that both compounds exhibit broad emission bands in the blue-light region.

Original languageEnglish (US)
Pages (from-to)1972-1981
Number of pages10
JournalChemistry - A European Journal
Volume14
Issue number6
DOIs
StatePublished - Feb 18 2008

Keywords

  • Density functional calculations
  • Noncentrosymmetric (ncs)
  • Nonlinear optics
  • Solid-state reactions

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