Anisotropic electrical properties of a eutectic InSb + MnSb composite

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• 作者：I. Kh. Mamedov ; D. H. Arasly ; A. A. Khalilova ; R. N. Rahimov
• 关键词：eutectic composite ; metallic inclusions ; interfacial zone ; microstructure ; differential thermal analysis
• 刊名：Inorganic Materials
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：52
• 期：4
• 页码：423-428
• 全文大小：783 KB
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• 作者单位：I. Kh. Mamedov (1)
  D. H. Arasly (2)
  A. A. Khalilova (2)
  R. N. Rahimov (2)
  
  1. Azerbaijan National Academy of Aviation, Bina 25th km, Baku, AZ1045, Azerbaijan
  2. Institute of Physics of the Azerbaijan National Academy of Sciences, pr. H. Javid 33, Baku, AZ1143, Azerbaijan
  
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Inorganic Chemistry
  Industrial Chemistry and Chemical Engineering
  Materials Science
  Russian Library of Science
  
• 出版者：MAIK Nauka/Interperiodica distributed exclusively by Springer Science+Business Media LLC.
• ISSN：1608-3172

文摘

The temperature dependences of the Hall coefficient, electrical conductivity, and thermoelectric power for a eutectic InSb + MnSb composite have been studied in the temperature range from 80 to 700 K. Electron-microscopic results confirm that the system is in a two-phase state and consists of an InSb matrix and needle-like MnSb metallic inclusions. The inclusions are surrounded by interfacial zones ~0.3 μm in width. The observed anisotropy in the transport properties of the material is attributed to a short-circuiting effect of the metallic inclusions. Interpretation in terms of effective medium theory with allowance for the interfacial zones suggests that they make a significant contribution to the electrical conductivity anisotropy.