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Bulletin of Materials Science

, Volume 24, Issue 5, pp 441–444 | Cite as

Lattice variation and thermal parameters of Ni x Mg1−x SO4·7H2O single crystals

  • M. Theivanayagom
  • C. Mahadevan
Article

Abstract

Ni x Mg1−x SO4·7H2O single crystals were grown by the slow evaporation method from aqueous solutions. Density was measured by the floatation method. X-ray diffraction data were collected for powder samples and used for the estimation of lattice variation and thermal parameters like Debye-Waller factor, mean-square amplitude of vibration and Debye temperature. Lattice volumes approximately obey a relation similar to Retger’s rule. Values of thermal parameters do not follow any particular order with composition. The results obtained are reported.

Keywords

Mixed crystals X-ray diffraction analysis lattice parameters Debye-Waller factors Debye temperatures 

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Copyright information

© Indian Academy of Sciences 2001

Authors and Affiliations

  • M. Theivanayagom
    • 1
    • 2
  • C. Mahadevan
    • 1
  1. 1.Department of PhysicsST Hindu CollegeNagercoilIndia
  2. 2.Sivanthi Aditanar CollegeNagercoilIndia

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