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    • Keywords


      Extended X-ray absorption fine structure; lead molybdate.

    • Abstract


      Extended X-ray absorption fine structure (EXAFS) measurements on PbMoO4 (LMO) crystals have been performed at the recently-commissioned dispersive EXAFS beamline (BL-8) of INDUS-2 Synchrotron facility at Indore, India. The LMO samples were prepared under three different conditions viz.

      1. grown from a stoichiometric starting charge in air ambient,

      2. grown from a stoichiometric starting charge in argon ambient and

      3. grown from PbO-rich starting charge in air ambient.

      The EXAFS data obtained at both Pb 𝐿3 and Mo K edges of LMO have been analysed to determine Pb–O, Pb–Mo and Mo–O bond lengths in the crystals. The information thus obtained has been used to examine the microscopic defect structures in crystals grown under different conditions.

    • Author Affiliations


      A K Poswal1 D Bhattacharyya1 S N Jha1 Sangeeta2 S C Sabharwal1

      1. Applied Spectroscopy Division, TPPED, Bhabha Atomic Research Centre, Mumbai 400 085, India
      2. Crystal Technology Laboratory, TPPED, Bhabha Atomic Research Centre, Mumbai 400 085, India
    • Dates

  • Bulletin of Materials Science | News

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

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      Posted on July 25, 2019

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