Physical Review B最新文献

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Observation of flat and weakly dispersing bands in the van der Waals semiconductor Nb3Br8 范德华半导体Nb3Br8<中平坦和弱色散带的观察
IF 3.7 2区 物理与天体物理
Physical Review B Pub Date : 2023-09-08 DOI: 10.1103/PhysRevB.108.L121404
Sabin Regmi, Anup Pradhan Sakhya, Tharindu Fernando, Yuzhou Zhao, Dylan Jeff, Milo Sprague, Favian Gonzalez, Iftakhar Bin Elius, Mazharul Islam Mondal, Nathan Valadez, Damani Jarrett, Alexis Agosto, Jihui Yang, J. Chu, S. Khondaker, Xiaodong Xu, Ting Cao, M. Neupane
{"title":"Observation of flat and weakly dispersing bands in the van der Waals semiconductor Nb3Br8","authors":"Sabin Regmi, Anup Pradhan Sakhya, Tharindu Fernando, Yuzhou Zhao, Dylan Jeff, Milo Sprague, Favian Gonzalez, Iftakhar Bin Elius, Mazharul Islam Mondal, Nathan Valadez, Damani Jarrett, Alexis Agosto, Jihui Yang, J. Chu, S. Khondaker, Xiaodong Xu, Ting Cao, M. Neupane","doi":"10.1103/PhysRevB.108.L121404","DOIUrl":"https://doi.org/10.1103/PhysRevB.108.L121404","url":null,"abstract":"Niobium halides, Nb3X8 (X = Cl,Br,I), which are predicted two-dimensional magnets, have recently gotten attention due to their breathing kagome geometry. Here, we have studied the electronic structure of Nb3Br8 by using angle-resolved photoemission spectroscopy (ARPES) and first-principles calculations. ARPES results depict the presence of multiple flat and weakly dispersing bands. These bands are well explained by the theoretical calculations, which show they have Nb d character indicating their origination from the Nb atoms forming the breathing kagome plane. This van der Waals material can be easily thinned down via mechanical exfoliation to the ultrathin limit and such ultrathin samples are stable as depicted from the time-dependent Raman spectroscopy measurements at room temperature. These results demonstrate that Nb3Br8 is an excellent material not only for studying breathing kagome induced flat band physics and its connection with magnetism, but also for heterostructure fabrication for application purposes.","PeriodicalId":48701,"journal":{"name":"Physical Review B","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48589113","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Formation of Fano line shapes in optical responses and spectra of internal fields of excitonic nanospheres 激子纳米球光学响应和内场光谱中法诺线形状的形成
IF 3.7 2区 物理与天体物理
Physical Review B Pub Date : 2023-09-08 DOI: 10.1103/physrevb.108.125408
Shin Hayashi, H. Sugimoto, M. Fujii, D. Nesterenko, Z. Sekkat
{"title":"Formation of Fano line shapes in optical responses and spectra of internal fields of excitonic nanospheres","authors":"Shin Hayashi, H. Sugimoto, M. Fujii, D. Nesterenko, Z. Sekkat","doi":"10.1103/physrevb.108.125408","DOIUrl":"https://doi.org/10.1103/physrevb.108.125408","url":null,"abstract":"","PeriodicalId":48701,"journal":{"name":"Physical Review B","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45128874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Existence of an ultraflat band in the charge density wave state of 4Hb−TaS 4Hb−TaS<mml电荷密度波态中超平坦带的存在
IF 3.7 2区 物理与天体物理
Physical Review B Pub Date : 2023-09-08 DOI: 10.1103/physrevb.108.115115
Qingxin Liu, Pei Sun, Fanyu Meng, Yan-jie Geng, Zhonghao Liu, Jian-Feng Zhang, Jingjing Gao, Zhicheng Jiang, Shangjie Tian, Xuan Luo, Yuping Sun, Zhihai Cheng, Kai Liu, H. C. Lei, Shancai Wang
{"title":"Existence of an ultraflat band in the charge density wave state of 4Hb−TaS","authors":"Qingxin Liu, Pei Sun, Fanyu Meng, Yan-jie Geng, Zhonghao Liu, Jian-Feng Zhang, Jingjing Gao, Zhicheng Jiang, Shangjie Tian, Xuan Luo, Yuping Sun, Zhihai Cheng, Kai Liu, H. C. Lei, Shancai Wang","doi":"10.1103/physrevb.108.115115","DOIUrl":"https://doi.org/10.1103/physrevb.108.115115","url":null,"abstract":"","PeriodicalId":48701,"journal":{"name":"Physical Review B","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47226329","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ferroelectric heterobilayer with tunable first- and higher-order topological states 具有可调一阶和高阶拓扑态的铁电异质双层
IF 3.7 2区 物理与天体物理
Physical Review B Pub Date : 2023-09-08 DOI: 10.1103/physrevb.108.125302
Runhan Li, Ning Mao, Li-wei Cai, Yingxi Bai, Baibiao Huang, Ying Dai, C. Niu
{"title":"Ferroelectric heterobilayer with tunable first- and higher-order topological states","authors":"Runhan Li, Ning Mao, Li-wei Cai, Yingxi Bai, Baibiao Huang, Ying Dai, C. Niu","doi":"10.1103/physrevb.108.125302","DOIUrl":"https://doi.org/10.1103/physrevb.108.125302","url":null,"abstract":"","PeriodicalId":48701,"journal":{"name":"Physical Review B","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41492714","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tuning of exciton type by environmental screening 环境筛选对激子类型的调节
IF 3.7 2区 物理与天体物理
Physical Review B Pub Date : 2023-09-08 DOI: 10.1103/physrevb.108.115303
Igor L. C. Lima, M. Milošević, F. M. Peeters, A. Chaves
{"title":"Tuning of exciton type by environmental screening","authors":"Igor L. C. Lima, M. Milošević, F. M. Peeters, A. Chaves","doi":"10.1103/physrevb.108.115303","DOIUrl":"https://doi.org/10.1103/physrevb.108.115303","url":null,"abstract":"","PeriodicalId":48701,"journal":{"name":"Physical Review B","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-09-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45149398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electrical and magnetic control of spin-lattice configuration and magnon-ferron hybridization in a two-dimensional multiferroic model 二维多铁性模型中自旋晶格构型和磁振子-铁子杂化的电学和磁学控制
IF 3.7 2区 物理与天体物理
Physical Review B Pub Date : 2023-09-07 DOI: 10.1103/physrevb.108.094413
Ka Shen
{"title":"Electrical and magnetic control of spin-lattice configuration and magnon-ferron hybridization in a two-dimensional multiferroic model","authors":"Ka Shen","doi":"10.1103/physrevb.108.094413","DOIUrl":"https://doi.org/10.1103/physrevb.108.094413","url":null,"abstract":"","PeriodicalId":48701,"journal":{"name":"Physical Review B","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45210403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Topological Hall-like magnetoresistance humps in anomalous Hall loops caused by planar Hall effect 由平面霍尔效应引起的异常霍尔环中的拓扑类霍尔磁阻峰
IF 3.7 2区 物理与天体物理
Physical Review B Pub Date : 2023-09-07 DOI: 10.1103/physrevb.108.094414
Chunjie Yan, Zui Tao, Z. Gao, Zishuang Li, Xiao Xiao, Haozhe Wang, Lina Chen, Ronghua Liu
{"title":"Topological Hall-like magnetoresistance humps in anomalous Hall loops caused by planar Hall effect","authors":"Chunjie Yan, Zui Tao, Z. Gao, Zishuang Li, Xiao Xiao, Haozhe Wang, Lina Chen, Ronghua Liu","doi":"10.1103/physrevb.108.094414","DOIUrl":"https://doi.org/10.1103/physrevb.108.094414","url":null,"abstract":"","PeriodicalId":48701,"journal":{"name":"Physical Review B","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42548047","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Piezoresistive effect in two-dimensional Dirac materials 二维Dirac材料中的压阻效应
IF 3.7 2区 物理与天体物理
Physical Review B Pub Date : 2023-09-07 DOI: 10.1103/physrevb.108.l121403
D. S. Eliseev, M. Boev, V. Kovalev, I. Savenko
{"title":"Piezoresistive effect in two-dimensional Dirac materials","authors":"D. S. Eliseev, M. Boev, V. Kovalev, I. Savenko","doi":"10.1103/physrevb.108.l121403","DOIUrl":"https://doi.org/10.1103/physrevb.108.l121403","url":null,"abstract":"","PeriodicalId":48701,"journal":{"name":"Physical Review B","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42465422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Green-Kubo formalism for thermal conductivity with Slater-Koster tight binding Slater-Kester紧密结合导热系数的Green Kubo形式
IF 3.7 2区 物理与天体物理
Physical Review B Pub Date : 2023-09-07 DOI: 10.1103/physrevb.108.104307
Dong-Bo Zhang, Jian-Gao Li, Ying-Hui Ren, Tao Sun
{"title":"Green-Kubo formalism for thermal conductivity with Slater-Koster tight binding","authors":"Dong-Bo Zhang, Jian-Gao Li, Ying-Hui Ren, Tao Sun","doi":"10.1103/physrevb.108.104307","DOIUrl":"https://doi.org/10.1103/physrevb.108.104307","url":null,"abstract":"","PeriodicalId":48701,"journal":{"name":"Physical Review B","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46002840","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Magnetic structure of the magnetoelectric material Ba2MnGe2O7 磁电材料Ba2MnGe2O7</ ml的磁性结构
IF 3.7 2区 物理与天体物理
Physical Review B Pub Date : 2023-09-07 DOI: 10.1103/physrevb.108.094412
A. Sazonov, H. Thoma, R. Dutta, M. Meven, A. Gukasov, R. Fittipaldi, V. Granata, T. Masuda, B. Náfrádi, V. Hutanu
{"title":"Magnetic structure of the magnetoelectric material Ba2MnGe2O7","authors":"A. Sazonov, H. Thoma, R. Dutta, M. Meven, A. Gukasov, R. Fittipaldi, V. Granata, T. Masuda, B. Náfrádi, V. Hutanu","doi":"10.1103/physrevb.108.094412","DOIUrl":"https://doi.org/10.1103/physrevb.108.094412","url":null,"abstract":"","PeriodicalId":48701,"journal":{"name":"Physical Review B","volume":null,"pages":null},"PeriodicalIF":3.7,"publicationDate":"2023-09-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45122879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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