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Z. Naturforsch. 66a, 562 – 568 (2011)
doi:10.5560/ZNA.2011-0004
Single Crystal Charge Density Studies of Thermoelectric Material Indium Antimonide
Muthaian Charles Robert1, Bandarinathan Subha2, and Ramachandran Saravanan2
1 Department of Physics, H.K.R.H. College, Uthamapalayam – 625 533, Tamil Nadu, India
2 Research Centre and PG Department of Physics, The Madura College, Madurai – 625 011, Tamil Nadu, India
Received January 25, 2011 / revised February 24, 2011
Reprint requests to: R. S.; E-mail: saragow@dataone.in
The average structure of the thermoelectric material indium antimonide (InSb) has been studied in terms of the electron density distribution using the single crystal X-ray intensity data. The charge density of this material has been studied including and excluding the quasi-forbidden h + k + l = 4n + 2 type reflections using the maximum entropy method (MEM). Both the pictorial and numerical results of the experimental electron density show mixed ionic and covalent character in InSb. The use of InSb as a thermoelectric material is supported through charge density analysis.
Key words: Electron Density; InSb; Local Structure; Thermoelectric; XRD; MEM.
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