The Compound-Forming Behaviour in Liquid (Tl_<1/2>Pb_<1/2>)-Te and (In_<1/2>Pb_<1/2>)-Te Systems
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概要
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The electrical conductivity, magnetic susceptibility and thermoelectric power of liquid (Tl_<1/2>Pb_<1/2>)-Te and (In_<1/2>Pb_<1/2>)-Te systems have been measured as a function of composition in the temperature range from near the melting point to 1000℃. The former system exhibits a conductivity minimum, diamagnetic maximum and change in the sign of thermoelectric power in the vicinity of 42.8 at. %Te (corresponding to the stoichiometric composition of Tl_2Pb_2Te_3). On the other hand, similar anomalies of electronic properties have been observed around 55.6 at. %Te (the stoichiometric composition of In_2Pb_2Te_5) in the latter In system. In addition, the temperature dependence of these electronic properties considerably differs in both systems, reflecting the bonding nature of Tl-Te or In-Te pair. Energy band parameters around the Fermi level at the stoichiometric composition in both systems have been determined based on the model recently developed by Enderby and Barnes (Rep. Prog. Phys. 53 (1990)85).
- 社団法人日本物理学会の論文
- 1995-09-15
著者
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UEMURA Osamu
Department of Pediatric Nephrology, Aichi Children's Health and Medical Center
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USUKI Takeshi
Department of Material and Biological Chemistry,Faculty of Science,Yamagata University
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Usuki Takeshi
Department Of Chemistry Faculty Of Science Yamagata University
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Uemura Osamu
Department Of Chemistry Faculty Of Science Yamagata University
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Fujino Tomoki
Department of Chemistry, Faculty of Science, Yamagata University
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Ikeda Kohei
Department of Chemistry, Faculty of Science, Yamagata University
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Fujino Tomoki
Department Of Chemistry Faculty Of Science Yamagata University
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