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1 results

  • In situ structural studies on orthorhombic SnS micro-crystals

  • N. Koteeswara Reddy, M. Devika, M. Prashantha, K. Ramesh, K.R. Gunasekhar
  • Journal:
    The European Physical Journal - Applied Physics / Volume 60 / Issue 1 / October 2012
    Published online by Cambridge University Press:
    05 November 2012, 10102
    Print publication:
    October 2012

  • In situ powder X-ray diffraction (XRD) studies on 3D micro-crystalline tin (II) sulfide (SnS) were carried out at different temperatures. While increasing temperature, the crystal structure of SnS remains stable as orthorhombic, whereas its lattice parameters and unit-cell volume are considerably varied. Further, these 3D micro-crystalline structures have showed a negative thermal expansion along the a-axis and positive expansion along the b- and c-axes. However, the overall drop along the a-axis of SnS crystals is nearly equal to their expansion along the c-axis. The observed changes in the structural properties of SnS micro-crystallites with temperature are discussed and reported.