• Extended-ion approximation and pressure shifts inF-band energies

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    • Keywords


      Alkali halides; F-band energies; pressure shifts

    • Abstract


      Pressure variation of maximumF-band absorption energies in the halides of lithium, sodium and potassium has been investigated employing the extended-ion approximation for the calculation of theF-electron energy eigenvalues and using values of local compressibility in the neighbourhood of theF-centres which include the effect of vacancy and pressure. The results obtained agree with the experimental results.

    • Author Affiliations


      Nawab Singh1 2 AW Joshi1

      1. Department of Physics, Institute of Advanced Studies, Meerut University, Meerut - 250 001
      2. J V College, Baraut, Meerut
    • Dates

  • Pramana – Journal of Physics | News

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