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      https://www.ias.ac.in/article/fulltext/pram/038/06/0669-0672

    • Keywords

       

      Ce2Fe17; superparamagnetic clusters; neutron polarization analysis; spin-flip

    • Abstract

       

      Spin-flip (paramagnetic) scattering and neutron depolarization studies were performed on Ce2Fe17 in its paramagnetic phase on the Dhruva neutron polarization analysis spectrometer. The absence of normalQ dependence of the scattered spin flip intensity shows that Ce2Fe17 is not a normal paramagnetic and there exist superparamagnetic clusters of sufficiently large dimensions (∼100Å). The observed neutron depolarization gives an indication of the dynamics of these Ce2Fe17 superparamagnetic clusters.

    • Author Affiliations

       

      Sk Mohammad Yusuf1 L Madhav Rao1 K B Bhat1 2

      1. Solid State Physics Division, Bhabha Atomic Research Centre, Bombay - 400 085, India
      2. Chemistry Division, Bhabha Atomic Research Centre, Bombay - 400 085, India

    • Dates

       
      Published
      June 1992
      Manuscript received
      1 February 1992

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