{"title":"熔融Bi- bii3混合物中的Bi和熔融in - ini3混合物中的in的性质","authors":"K. Ichikawa","doi":"10.1143/PTPS.72.156","DOIUrl":null,"url":null,"abstract":"The nature of Bi in molten Bi-Biia mixtures and In in molten In-Inia mixtures is surveyed on the basis of static properties and macroscopic transport coefficient (phase diagram and d.c. conductivity). It is shown that information at the microscopic level due to techniques of pulsed neutron scattering, Raman scattering and NMR can account for their nature. From pulsed neutron scattering data preferred Bi-Bi pair-correlation or polybismuth species is proposed for Bi..It-z melts even at the I-rich side below about 40 at% Bi. The localized electronic states around the Fermi level may be established and conduction takes place via hopping of electrons from one trapping site to another for these solutions. The strong concentrationdependence of the first peak distance, which is related to preferred Bi-Bi distance and observed over the range of 0.4<x<0.6, means substantial change of the structural and bonding pattern in polybismuth clusters. Since delocalization of valence electrons concerns the chemical bonding in these clusters consisting of Bi, the continuous MNM transition as well as microscopic inhomogeneity can be observed over the range of 0.4<x<0.6. For Inzit-z melts there exist two distinct valence-states In• and In\"+, over the range of 0.25:s;;x:s;;0.5. The existence of two stable ionic-states causes short-range order associated with ionic or unlike configuration and thus these solutions are of conduction-electron deficient insulator.","PeriodicalId":20614,"journal":{"name":"Progress of Theoretical Physics Supplement","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2013-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"On the Nature of Bi in Molten Bi-BiI3 Mixtures and In in Molten In-InI3 Mixtures\",\"authors\":\"K. Ichikawa\",\"doi\":\"10.1143/PTPS.72.156\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The nature of Bi in molten Bi-Biia mixtures and In in molten In-Inia mixtures is surveyed on the basis of static properties and macroscopic transport coefficient (phase diagram and d.c. conductivity). It is shown that information at the microscopic level due to techniques of pulsed neutron scattering, Raman scattering and NMR can account for their nature. From pulsed neutron scattering data preferred Bi-Bi pair-correlation or polybismuth species is proposed for Bi..It-z melts even at the I-rich side below about 40 at% Bi. The localized electronic states around the Fermi level may be established and conduction takes place via hopping of electrons from one trapping site to another for these solutions. The strong concentrationdependence of the first peak distance, which is related to preferred Bi-Bi distance and observed over the range of 0.4<x<0.6, means substantial change of the structural and bonding pattern in polybismuth clusters. Since delocalization of valence electrons concerns the chemical bonding in these clusters consisting of Bi, the continuous MNM transition as well as microscopic inhomogeneity can be observed over the range of 0.4<x<0.6. For Inzit-z melts there exist two distinct valence-states In• and In\\\"+, over the range of 0.25:s;;x:s;;0.5. The existence of two stable ionic-states causes short-range order associated with ionic or unlike configuration and thus these solutions are of conduction-electron deficient insulator.\",\"PeriodicalId\":20614,\"journal\":{\"name\":\"Progress of Theoretical Physics Supplement\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2013-05-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Progress of Theoretical Physics Supplement\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1143/PTPS.72.156\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Progress of Theoretical Physics Supplement","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1143/PTPS.72.156","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
On the Nature of Bi in Molten Bi-BiI3 Mixtures and In in Molten In-InI3 Mixtures
The nature of Bi in molten Bi-Biia mixtures and In in molten In-Inia mixtures is surveyed on the basis of static properties and macroscopic transport coefficient (phase diagram and d.c. conductivity). It is shown that information at the microscopic level due to techniques of pulsed neutron scattering, Raman scattering and NMR can account for their nature. From pulsed neutron scattering data preferred Bi-Bi pair-correlation or polybismuth species is proposed for Bi..It-z melts even at the I-rich side below about 40 at% Bi. The localized electronic states around the Fermi level may be established and conduction takes place via hopping of electrons from one trapping site to another for these solutions. The strong concentrationdependence of the first peak distance, which is related to preferred Bi-Bi distance and observed over the range of 0.4
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