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      Permanent link:
      https://www.ias.ac.in/article/fulltext/boms/006/06/1059-1062

    • Keywords

       

      Spin wave excitations; amorphous ferromagnets; Mössbauer measurements; metallic glasses; temperature dependence

    • Abstract

       

      Mössbauer measurements have been performed on a number of metallic glasses. The temperature dependence of average hyperfine or internal magnetic fieldHeff(T) arises from long wavelength spin wave excitations in these glasses. Values ofB3/2 andC5/2 are in general much higher than those observed for crystalline ferromagnets indicating higher density of states for spin waves in amorphous ferromagnets.

    • Author Affiliations

       

      Anil K Bhatnagar1 B Bhanu Prasad1 N Ravi1 R Jagannathan1 2

      1. School of Physics, University of Hyderabad, Hyderabad - 500 134, India
      2. School of Chemistry, University of Hyderabad, Hyderabad - 500 134, India

    • Dates

       
      Published
      December 1984
      Manuscript received
      7 May 1983

  • Bulletin of Materials Science | News

    • Dr Shanti Swarup Bhatnagar for Science and Technology

      Posted on October 12, 2020

      Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
      Chemical Sciences 2020

      Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
      Physical Sciences 2020

    • Editorial Note on Continuous Article Publication

      Posted on July 25, 2019

      Click here for Editorial Note on CAP Mode

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