Thermodynamic analysis of the composition of the condensed and gas-vapor phases of Bi/sub 2/Te/sub 3/-based solid solutions doped with organic and inorganic haloid compounds

Eighteenth International Conference on Thermoelectrics. Proceedings, ICT'99 (Cat. No.99TH8407) Pub Date : 1999-08-29 DOI:10.1109/ICT.1999.843488

O. B. Sokolov, S. Skipidarov, N. I. Duvankov

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引用次数: 4

Abstract

Thermodynamic analysis was made with the help of a personal computer. A thermodynamic method for the identification of characteristics for the equilibrium of heterogeneous systems based on the principle of maximum entropies was taken as a basis for the algorithm of the software complex. Thermodynamic, thermophysical and thermochemical characteristics of individual materials were taken as the basis of the information contained in the database. Thermodynamic calculations of the composition of condensed and gas-vapor phases of Bi/sub 2/Te/sub 3/-based solid solutions for particular conditions of the synthesis with the application of various dopants has been affected. Research has been undertaken into the behaviour of haloid-containing dopants in gas-vapor and condensed liquid and solid phases depending on the type of a dopant: organic haloid compounds, inorganic haloid compounds. The effect of haloid-containing dopants on thermoelectric characteristics has been studied.

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掺有有机和无机卤化物的Bi/sub 2/Te/sub 3基固溶体凝聚态和气相组成的热力学分析

热力学分析是在个人计算机的帮助下进行的。采用基于最大熵原理的异构系统平衡特征识别的热力学方法作为软件复合体算法的基础。单个材料的热力学、热物理和热化学特性被作为数据库所包含信息的基础。对Bi/sub - 2/Te/sub - 3基固溶体的缩合相和气相组成的热力学计算，在特定条件下对各种掺杂剂的合成进行了影响。根据掺杂剂的类型:有机卤化物化合物，无机卤化物化合物，对含卤化物掺杂剂在气-蒸气和冷凝液-固相中的行为进行了研究。研究了含卤掺杂剂对热电特性的影响。

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Eighteenth International Conference on Thermoelectrics. Proceedings, ICT'99 (Cat. No.99TH8407)

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