{"title":"锡在PbS和PbSe中杂质中心之间的电子交换","authors":"S. Zaynabiddinov, K. Bobokhujaev","doi":"10.56017/2181-1318.1015","DOIUrl":null,"url":null,"abstract":"Electron exchange between neutral and doubly ionized U -minus centers of tin in par-tially compensated solid solutions Pb1−xSnxS and Pb1−xSnxSe has been investigated using 119mmSn(119mSn) emission Mössbauer spectroscopy. The activation energy of the process for Pb1−xSnxS solid solutions is 0.11±0.02 eV and is comparable to the depth of energy levels of tin in the PbS band gap, while the activation energy of this process for Pb1−xSnxSe solid solutions is comparable to the activation energy of donor U -minus centers of tin in PbSe being 0.05 ± 0.01 eV. The exchange has been performed by the simultaneous transfer of two electrons with the use of the valence band states.","PeriodicalId":127023,"journal":{"name":"Bulletin of National University of Uzbekistan: Mathematics and Natural Sciences","volume":"21 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Electron exchange between impurity centers of tin in PbS and PbSe\",\"authors\":\"S. Zaynabiddinov, K. Bobokhujaev\",\"doi\":\"10.56017/2181-1318.1015\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Electron exchange between neutral and doubly ionized U -minus centers of tin in par-tially compensated solid solutions Pb1−xSnxS and Pb1−xSnxSe has been investigated using 119mmSn(119mSn) emission Mössbauer spectroscopy. The activation energy of the process for Pb1−xSnxS solid solutions is 0.11±0.02 eV and is comparable to the depth of energy levels of tin in the PbS band gap, while the activation energy of this process for Pb1−xSnxSe solid solutions is comparable to the activation energy of donor U -minus centers of tin in PbSe being 0.05 ± 0.01 eV. The exchange has been performed by the simultaneous transfer of two electrons with the use of the valence band states.\",\"PeriodicalId\":127023,\"journal\":{\"name\":\"Bulletin of National University of Uzbekistan: Mathematics and Natural Sciences\",\"volume\":\"21 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-09-25\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Bulletin of National University of Uzbekistan: Mathematics and Natural Sciences\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.56017/2181-1318.1015\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Bulletin of National University of Uzbekistan: Mathematics and Natural Sciences","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.56017/2181-1318.1015","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Electron exchange between impurity centers of tin in PbS and PbSe
Electron exchange between neutral and doubly ionized U -minus centers of tin in par-tially compensated solid solutions Pb1−xSnxS and Pb1−xSnxSe has been investigated using 119mmSn(119mSn) emission Mössbauer spectroscopy. The activation energy of the process for Pb1−xSnxS solid solutions is 0.11±0.02 eV and is comparable to the depth of energy levels of tin in the PbS band gap, while the activation energy of this process for Pb1−xSnxSe solid solutions is comparable to the activation energy of donor U -minus centers of tin in PbSe being 0.05 ± 0.01 eV. The exchange has been performed by the simultaneous transfer of two electrons with the use of the valence band states.
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