{"title":"掺磷PbTe半导体微线与铊杂质共振态的热电功率","authors":"E. Zasavitsky, V. Kantser, D. Meglei","doi":"10.1109/SMICND.2005.1558779","DOIUrl":null,"url":null,"abstract":"Results of the measurements of thermoelectric properties of thin semiconductor microwires of Pb1-xTlxTe (x=0.001divide0.02, d=5-100 mum) in the temperature region 4.2divide300 K, which were obtained from solution melt by the filling of quartz capillary with the following crystallization of material are presented. For the samples corresponding to chemical composition with concentration of thallium 0.0025<x<0.005 double change of the sign of thermoelectric power is observed. In pure samples and samples with thallium concentration more than 1 at.% thermoelectric power it is positive in the whole temperature range. Various mechanisms which can lead to observable anomalies, including Kondo-like behavior of a nonmagnetic degenerate two-level system are discussed. Obtained experimental results let suppose that the observed anomalies can be interpreted on the basis of model of an impurity with mixed valences","PeriodicalId":40779,"journal":{"name":"Teatro e Storia","volume":null,"pages":null},"PeriodicalIF":0.1000,"publicationDate":"2005-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Thermoelectric power of p-doped PbTe semiconductor microwires with resonant states of thallium impurities\",\"authors\":\"E. Zasavitsky, V. Kantser, D. Meglei\",\"doi\":\"10.1109/SMICND.2005.1558779\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Results of the measurements of thermoelectric properties of thin semiconductor microwires of Pb1-xTlxTe (x=0.001divide0.02, d=5-100 mum) in the temperature region 4.2divide300 K, which were obtained from solution melt by the filling of quartz capillary with the following crystallization of material are presented. For the samples corresponding to chemical composition with concentration of thallium 0.0025<x<0.005 double change of the sign of thermoelectric power is observed. In pure samples and samples with thallium concentration more than 1 at.% thermoelectric power it is positive in the whole temperature range. Various mechanisms which can lead to observable anomalies, including Kondo-like behavior of a nonmagnetic degenerate two-level system are discussed. Obtained experimental results let suppose that the observed anomalies can be interpreted on the basis of model of an impurity with mixed valences\",\"PeriodicalId\":40779,\"journal\":{\"name\":\"Teatro e Storia\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.1000,\"publicationDate\":\"2005-12-19\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Teatro e Storia\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SMICND.2005.1558779\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"0\",\"JCRName\":\"THEATER\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Teatro e Storia","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SMICND.2005.1558779","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"0","JCRName":"THEATER","Score":null,"Total":0}
Thermoelectric power of p-doped PbTe semiconductor microwires with resonant states of thallium impurities
Results of the measurements of thermoelectric properties of thin semiconductor microwires of Pb1-xTlxTe (x=0.001divide0.02, d=5-100 mum) in the temperature region 4.2divide300 K, which were obtained from solution melt by the filling of quartz capillary with the following crystallization of material are presented. For the samples corresponding to chemical composition with concentration of thallium 0.0025
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