Evidence for self-organization processes in PbTe-Bi_2Te_3 semiconductor solid solutions

Elena Rogacheva; Olga Vodorez; Vladimir Pinegin; Olga Nashchekina

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Evidence for self-organization processes in PbTe-Bi_2Te_3 semiconductor solid solutions

机译：PbTe-Bi_2Te_3半导体固溶体中自组织过程的证据

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The dependences of unit cell parameter, x-ray diffraction line width B, and microhardness H on the composition of PbTe-Bi_2Te_3 (0-10 mol% Bi_2Te_3) semiconductor alloys, subjected to different types of heat treatment, were obtained. In the concentration ranges ～0.5-1.5 and 3-4 mol% Bi_2Te_3 within the homogeneity region of PbTe (0-6 mol% Bi_2Te_3), anomalous constancy or decrease in B and H was observed. A long room temperature aging leads to a more distinct manifestation of these effects. It is suggested that the observed peculiarities in the concentration dependences of the properties are connected with percolation effects and self-organization processes in the solid solution.

机译：获得了晶胞参数，x射线衍射线宽度B和显微硬度H对经过不同类型热处理的PbTe-Bi_2Te_3（0-10 mol％Bi_2Te_3）半导体合金组成的依赖性。在PbTe的均质区域（0-6 mol％Bi_2Te_3）内，Bi_2Te_3浓度在〜0.5-1.5和3-4 mol％的范围内，B和H呈异常恒定或降低。长时间的室温老化会导致这些效应的更明显表现。建议观察到的特性的浓度依赖性的特性与固溶体中的渗透作用和自组织过程有关。

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来源
《Journal of Materials Research》 |2011年第13期|p.1627-1633|共7页
作者
Elena Rogacheva; Olga Vodorez; Vladimir Pinegin; Olga Nashchekina;
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作者单位

Theoretical & Experimental Physics Department, National Technical University "Kharkov Polytechnic Institute,"61002 Kharkov, Ukraine;

Theoretical & Experimental Physics Department, National Technical University "Kharkov Polytechnic Institute,"61002 Kharkov, Ukraine;

Theoretical & Experimental Physics Department, National Technical University "Kharkov Polytechnic Institute,"61002 Kharkov, Ukraine;

Theoretical & Experimental Physics Department, National Technical University "Kharkov Polytechnic Institute,"61002 Kharkov, Ukraine;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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正文语种 eng
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Evidence for self-organization processes in PbTe-Bi_2Te_3 semiconductor solid solutions

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