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    • Hypersensitive and forbidden transitions of trivalent europium ion in Tb1.8Eu0.2 (MoO4)3 single crystal

      S Sheik Saleem T K K Srinivasan

      Condensed Matter Physics Volume 29 Issue 1 July 1987 pp 87-92

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      https://www.ias.ac.in/article/fulltext/pram/029/01/0087-0092

    • Keywords

       

      Hypersensitive transition; europium ion; Raman spectra; forbidden transition; Tb1.8Eu0.2 (MoO4)3 crystal

    • Abstract

       

      The fluorescent transitions5D0.1 →7FJ (J=0−4) of the europium ion in the Tb1.8Eu0.2 (MoO4)3 single crystal were recorded at 300 and 20 K. The forbidden and the hypersensitive transitions were observed in this system. The intensity ratio between5D0 →7F1 and5D0 →7F2 which is 1:5 is discussed in the light of covalency between the Eu3+ ion and MoO4 tetrahedra.

    • Author Affiliations

       

      S Sheik Saleem1 2 T K K Srinivasan1

      1. Regional Sophisticated Instrumentation Centre, Indian Institute of Technology, Madras - 600 036, India
      2. Department of Physics, Pondicherry Engineering College, Pondicherry University, Pondicherry - 605 104, India

    • Dates

       
      Published
      12 July 1987
      Manuscript received
      7 November 1986
      Manuscript revised
      15 May 1987

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