Schottky-Type Excess Specific Heat and Metal-Nonmetal Transition in Liquid In-Te and Se-Te Alloys
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概要
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The measurements on specific heats of liquid In-Te and Se-Te alloys have been carried out to explore the mechanism of metal-nonmetal transition in the liquid state. Alarge temperature dependence of the specific heats has been observed around In.Te.for In-Te alloys and in the Te rich region for Se-Te alloys, respectively. These largespecific heats are fully explained in terms of Schottky-type specific heats due to thetransition from non-metallic state to metallic one in addition to Dulong-Petit'svalues. The specific heat of liquid Se-Te system in the Se-rich region is, on the otherhand, not so much dependent on temperature and is almost equal to 8cal/g-atom-deg. From these, it is inferred that in liquid Se-Te alloys there exists an endothermic reaction due to the recombination of bonding in the Te-rich region, whilethere exists neutral broken bonds in the Se-rich region.
- 社団法人日本物理学会の論文
- 1987-03-15
著者
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山下 洋
京都大学フィールド科学教育研究センター舞鶴水産実験所里海生態保全学分野
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Tamaki Shigeru
Department of Physics, Faculty of Science, Niigata University
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OKAZAKI Hideo
General Education Department,Niigata University
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Tamaki Shigeru
Graduate School Of Integrated Science Yokohama City University
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Tamaki Shigeru
Facully Of Sciance Of Sciance Niigata University
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Okazaki H
Department Of Physics Faculty Of Science Niigata University
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Okazaki Hideo
General Education Department Niigata University
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Shin′ichi Takeda
Department Of Physics College Of General Education Kyushu University
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Tamaki Shigeru
Department Of Physics Faculty Of Science Niigata Unibersity
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Takeda Shin′ichi
College of General Education,Kyushu University
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