• Kavita S Jerath

      Articles written in Pramana – Journal of Physics

    • XANES and EXAFS study of some metal-metalloid glasses

      K B Garg Kavita S Jerath H S Chauhan Usha Chandra

      More Details Abstract Fulltext PDF

      XANES and EXAFS techniques are proving very popular in the study of local environment in disordered systems. Results of such studies in a large number of metal (Fe, Co, Ni, etc)-metalloid (B, Si, C, etc) glasses are reported. Experiments were done with synchrotron radiation as well as an x-ray tube. The values of bond lengths and co-ordination numbers computed from one-electron single scattering Fourier transform method turn out substantially smaller. The values of bondlength determined from the other EXAFS calculation method and the multiple-scattering computation scheme show good agreement. Importance of choice of suitable reference materials for analysis of data is emphasized.

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