{"title":"角分辨光谱学研究准一维卤化铋的拓扑电子结构","authors":"Ryo NOGUCHI","doi":"10.1380/vss.66.574","DOIUrl":null,"url":null,"abstract":"Quasi-one-dimensional materials offer an ideal playground to investigate weak topological insulators (WTIs) and higher-order topological insulators (HOTIs), since their characteristic boundary states emerge in the naturally cleaved surfaces. Utilizing laser-based angle-resolved photoemission spectroscopy (ARPES) and synchrotron-based nano-ARPES, we show evidence of a WTI phase in β-Bi4I4 and a HOTI phase in Bi4Br4.","PeriodicalId":470115,"journal":{"name":"Hyomen to shinku","volume":"58 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2023-10-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Topological Electronic Structures of Quasi-one-dimensional Bismuth Halides Investigated by Angle-resolved Photoemission Spectroscopy\",\"authors\":\"Ryo NOGUCHI\",\"doi\":\"10.1380/vss.66.574\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Quasi-one-dimensional materials offer an ideal playground to investigate weak topological insulators (WTIs) and higher-order topological insulators (HOTIs), since their characteristic boundary states emerge in the naturally cleaved surfaces. Utilizing laser-based angle-resolved photoemission spectroscopy (ARPES) and synchrotron-based nano-ARPES, we show evidence of a WTI phase in β-Bi4I4 and a HOTI phase in Bi4Br4.\",\"PeriodicalId\":470115,\"journal\":{\"name\":\"Hyomen to shinku\",\"volume\":\"58 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2023-10-10\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Hyomen to shinku\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1380/vss.66.574\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Hyomen to shinku","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1380/vss.66.574","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Topological Electronic Structures of Quasi-one-dimensional Bismuth Halides Investigated by Angle-resolved Photoemission Spectroscopy
Quasi-one-dimensional materials offer an ideal playground to investigate weak topological insulators (WTIs) and higher-order topological insulators (HOTIs), since their characteristic boundary states emerge in the naturally cleaved surfaces. Utilizing laser-based angle-resolved photoemission spectroscopy (ARPES) and synchrotron-based nano-ARPES, we show evidence of a WTI phase in β-Bi4I4 and a HOTI phase in Bi4Br4.
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