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DOI | 10.1126/science.aat0348 |
Singular angular magnetoresistance in a magnetic nodal semimetal | |
Suzuki, T.1; Savary, L.1,2,3; Liu, J. -P.2,4; Lynn, J. W.5; Balents, L.2; Checkelsky, J. G.1 | |
2019-07-26 | |
发表期刊 | SCIENCE
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ISSN | 0036-8075 |
EISSN | 1095-9203 |
出版年 | 2019 |
卷号 | 365期号:6451页码:377-+ |
文章类型 | Article |
语种 | 英语 |
国家 | USA; France; Peoples R China |
英文摘要 | Transport coefficients of correlated electron systems are often useful for mapping hidden phases with distinct symmetries. Here we report a transport signature of spontaneous symmetry breaking in the magnetic Weyl semimetal cerium-aluminum-germanium (CeAlGe) system in the form of singular angular magnetoresistance (SAMR). This angular response exceeding 1000% per radian is confined along the high-symmetry axes with a full width at half maximum reaching less than 10 and is tunable via isoelectronic partial substitution of silicon for germanium. The SAMR phenomena is explained theoretically as a consequence of controllable high-resistance domain walls, arising from the breaking of magnetic point group symmetry strongly coupled to a nearly nodal electronic structure. This study indicates ingredients for engineering magnetic materials with high angular sensitivity by lattice and site symmetries. |
领域 | 地球科学 ; 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000477703100040 |
WOS关键词 | DISCOVERY ; SYMMETRY ; SYSTEMS |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/201952 |
专题 | 地球科学 资源环境科学 气候变化 |
作者单位 | 1.MIT, Dept Phys, Cambridge, MA 02139 USA; 2.Univ Calif Santa Barbara, Kavli Inst Theoret Phys, Santa Barbara, CA 93106 USA; 3.Univ Claude Bernard Lyon I, Univ Lyon, Ecole Normale Super Lyon, CNRS,Lab Phys, 46 Allee Italie, F-69007 Lyon, France; 4.Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China; 5.NIST, NIST Ctr Neutron Res, Gaithersburg, MD 20899 USA |
推荐引用方式 GB/T 7714 | Suzuki, T.,Savary, L.,Liu, J. -P.,et al. Singular angular magnetoresistance in a magnetic nodal semimetal[J]. SCIENCE,2019,365(6451):377-+. |
APA | Suzuki, T.,Savary, L.,Liu, J. -P.,Lynn, J. W.,Balents, L.,&Checkelsky, J. G..(2019).Singular angular magnetoresistance in a magnetic nodal semimetal.SCIENCE,365(6451),377-+. |
MLA | Suzuki, T.,et al."Singular angular magnetoresistance in a magnetic nodal semimetal".SCIENCE 365.6451(2019):377-+. |
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