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    • Abstract


      A detailed study of permeability spectra of polycrystalline pure and Aland Gd-Substituted garnets has been carried out for different values of grain diameter and magnetisation. The spectra are of three types—resonance, relaxed and mixed. It has been shown that the resonance spectra occur when the closure demains are absent and the domain wall is anchored at the grain boundary. The relaxed spectrum is found for domains having closure flux while the mixed spectrum is an indication of simulataneous presence of grains with and without closure domains.

    • Author Affiliations


      Om Prakash1 R Aiyer1 C M Srivastava1

      1. Department of Physics, Indian Institute of Technology, Bombay - 400 076
    • Dates

  • Bulletin of Materials Science | News

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      Posted on July 25, 2019

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