Czochralski法制备PbSb2Te4复合材料的结构研究

IF 0.8 4区材料科学 Q4 MATERIALS SCIENCE, CERAMICS

Glass Physics and Chemistry Pub Date : 2025-03-23 DOI:10.1134/S1087659624600467

S. A. Nemov, V. D. Andreeva, A. V. Povolotskiy, A. Yu. Alyab’ev

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引用次数: 0

摘要

对采用Czochralski法制备的PbSb2Te4复合材料样品进行了进一步的研究。证实了材料的多相结构。通过x射线分析，发现PbSb2Te4相（70-80%）和Sb2Te3相（20-30%）占主导地位。检测到具有菱形结构的（CuSb）Te2相和具有六边形结构的Sb2Te2相的痕迹。通过在样品中掺杂铜来降低载流子浓度；杂质原子位于主相层间的范德华间隙中。随着初始电荷中铜的含量从0.5增加到1%，载流子浓度不再进一步降低。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Study of the Structure of Composite Materials Based on PbSb2Te4 Obtained by the Czochralski Method

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Study of the Structure of Composite Materials Based on PbSb2Te4 Obtained by the Czochralski Method

Research on PbSb₂Te₄ composite material samples, obtained by the Czochralski method, is continued. The multiphase structure of the material is confirmed. Based on the analysis of X-ray studies, the predominance of PbSb₂Te₄ (70–80%) and Sb₂Te₃ (20–30%) phases is found. Traces of (CuSb)Te₂ phases with a rhombohedral structure and a hexagonal phase of Sb₂Te₂ are detected. The carrier concentration is reduced by doping the samples with copper; the impurity atoms are located in the Van der Waals gap between the layers of the main phases. With the copper content in the initial charge increasing from 0.5 to 1 at %, the carrier concentration does not decrease further.

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来源期刊

Glass Physics and Chemistry 工程技术-材料科学：硅酸盐

CiteScore

1.20

自引率

14.30%

发文量

审稿时长

6-12 weeks

期刊介绍： Glass Physics and Chemistry presents results of research on the inorganic and physical chemistry of glass, ceramics, nanoparticles, nanocomposites, and high-temperature oxides and coatings. The journal welcomes manuscripts from all countries in the English or Russian language.