| 具有不同扩散势垒的p型(Bi1-0.85Sb0.85)和PbTe二元梯度热电材料的研制 |
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| 引用本文： | 徐桂英,葛昌纯,高艳平,周张健.具有不同扩散势垒的p型(Bi1-0.85Sb0.85)和PbTe二元梯度热电材料的研制[J].北京科技大学学报,2000,22(4):331-334. |
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| 作者姓名： | 徐桂英 葛昌纯 高艳平 周张健 |
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| 作者单位： | 北京科技大学特种陶瓷与粉末冶金研究开发中心, 北京 100083 |
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| 基金项目： | 国家自然科学基金;59772012; |
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| 摘 要： | 在分析了热电材料的发展背景和研究理论的基础上，采用热压法制备出单体和双层具有不同扩散势垒的（Ｂｉ１－０．８５Ｓｂ０．８５）２Ｔｅ３与ＰｂＴｅ体系二元梯度热电材料，金属，Ｆｅ、Ｎｉ和Ｍｇ被用作层间扩散势垒材料，测定了它们的热电性能，分析了它们的物质组成和各层内和层间的成分分布，确定出较好的扩散势垒材料为金属铁和钴。
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| 关 键 词： | p型 梯度热电材料 扩散势垒 碲 碲化铅 |
| 修稿时间： | 2000年1月3日 |
Fabrication and Characters of p-Type (Bi1-0.85Sb0.85)Te3 and PbTe Two Segments Graded Thermoelectric Materials with Different Barriers |
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| XU Guiying,Ge Changchun,GAO Yanping,ZHOU Zhangjian.Fabrication and Characters of p-Type (Bi1-0.85Sb0.85)Te3 and PbTe Two Segments Graded Thermoelectric Materials with Different Barriers[J].Journal of University of Science and Technology Beijing,2000,22(4):331-334. |
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| Authors: | XU Guiying Ge Changchun GAO Yanping ZHOU Zhangjian |
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| Abstract: | On the basis of analysis
of developing background and theory of thermoelectric graded materials,
p-type (Bi1-0.85Sb0.85)Te3 and PbTe two segments thermoelectrical graded materials
(TGM) with different barriers were fabricated by conventional hot-pressing
process. Metals Fe, Ni and Mg were used as barriers between two segments.
The thermoelectric properties were measured. The compositions of each
layer and composition distributions in and between different layers were
detected. It is demonstrated that better diffusion barriers materials
were metal Fe. |
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| Keywords: | p-type (Bi1-0 85Sb0 85)Te3 PbTe thermoelectric graded materials diffusion barrier materials |
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