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2015 | 127 | 3 | 741-743
Article title

Lattice Dynamical Calculations for Inverse Spinel Compounds

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EN
Abstracts
EN
Lattice dynamical calculations have been performed for inverse spinel structure compounds MIn_{2}S_{4} (M = Mn and Co) using the proposed six parameter bond-bending force constant model. In this model, the short-range force constant is calculated by using the Taylor expansion of the potential energy in the harmonic approximation. This model is applied to study the zone-centre (Γ=0) phonon frequencies of inverse spinels MIn_{2}S_{4} (M = Mn and Co). The significant outcome of the present work is that the second neighbor interactions (octahedral bonding) are stronger than the first neighbor interactions (tetrahedral bonding). The zone-center phonon frequencies, calculated using these parameters, are found to be in very good agreement with the observed results.
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EN
Publisher

Year
Volume
127
Issue
3
Pages
741-743
Physical description
Dates
published
2015-03
received
2014-05-15
(unknown)
2015-01-21
Contributors
author
  • Department of Physics, K.N. Government P.G. College, Gyanpur, Bhadohi-221 304, India
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv127n315kz
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