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Ammonium Ion Motion and Phase Transitions in(ND_(4))_(2)TeCl_(6) Studied by Raman Scattering

         

摘要

The interna.1 vibrations of the ammonium ion in(ND_(4))_(2) TeCl_(6) have been studied by Raman scattering in the temperature range 4.2-300 K.Split tings of A_(1)-,E-,and T_(2)-modes have been o bserved at T_(c2)=48K and T_(c3)=28 K.These split tings were well interpreted by group theoretical correlation method.The reason for the transitions at T_(c2) and T_(c3) may be the decrease of the force constant in the deuterated ammonium ion.

著录项

  • 来源
    《中国物理快报:英文版》 |1996年第1期|P.58-61|共4页
  • 作者单位

    Pohl Institute of Solid State Physics Tongji University Shanghai 200092;

    Institute fur ExperimentalphysikⅢ AG Festkorperspektroskopiej Ruhr-UniversiBochum 44780 Bochum F.R.G. P.O.Box 102148;

    Institute fur ExperimentalphysikⅢ AG Festkorperspektroskopiej Ruhr-UniversiBochum 44780 Bochum F.R.G. P.O.Box 102148;

    Institute fur ExperimentalphysikⅢ AG Festkorperspektroskopiej Ruhr-UniversiBochum 44780 Bochum F.R.G. P.O.Box 102148;

    Pohl Institute of Solid State Physics Tongji University Shanghai 200092;

    Institute fur ExperimentalphysikⅢ AG Festkorperspektroskopiej Ruhr-UniversiBochum 44780 Bochum F.R.G. P.O.Box 102148International Center for Materials Physics Academia Sinica Shenyang 110015;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 中国工业经济;
  • 关键词

    Transition; ammonium; (4);

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