Extreme magnetoresistance and Shubnikov-de Haas oscillations in ferromagnetic DySb | |
Liang, D. D.1,2; Wang, Y. J.1; Xi, C. Y.1; Zhen, W. L.1; Yang, J.1; Pi, L.1,2; Zhu, W. K.1; Zhang, C. J.1,3 | |
刊名 | APL MATERIALS
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2018-08-01 | |
卷号 | 6期号:8页码:8 |
ISSN号 | 2166-532X |
DOI | 10.1063/1.5040662 |
通讯作者 | Zhu, W. K.(wkzhu@hmfl.ac.cn) |
英文摘要 | The electronic structures of a representative rare earth monopnictide (i.e., DySb) under high magnetic field (i.e., in the ferromagnetic state) are studied from both experimental and theoretical aspects. A non-saturated extremely large positive magnetoresistance (XMR) is observed (as large as 3.7 x 10(4) % at 1.8 K and 38.7 T), along with the Shubnikov-de Haas oscillations that are well reproduced by our first principles calculations. Three possible origins of XMR are examined. Although a band inversion is found theoretically, suggesting that DySb might be topologically nontrivial, it is deeply underneath the Fermi level, which rules out a topological nature of the XMR. The total densities of electron-like and hole-like carriers are not fully compensated, showing that compensation is unlikely to account for the XMR. The XMR is eventually understood in terms of high mobility that is associated with the steep linear bands. This discovery is important to the intensive studies on the XMR of rare earth monopnictides. (C) 2018 Author(s). |
资助项目 | National Key R&D Program of China[2016YFA0300404] ; National Key R&D Program of China[2017YFA0403600] ; National Natural Science Foundation of China[51603207] ; National Natural Science Foundation of China[U1532267] ; National Natural Science Foundation of China[11574288] ; National Natural Science Foundation of China[11674327] ; Natural Science Foundation of Anhui Province[1708085MA08] |
WOS关键词 | GIANT MAGNETORESISTANCE ; BISMUTH ; SEMIMETAL ; WTE2 |
WOS研究方向 | Science & Technology - Other Topics ; Materials Science ; Physics |
语种 | 英语 |
出版者 | AMER INST PHYSICS |
WOS记录号 | WOS:000443756800016 |
资助机构 | National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; National Key R&D Program of China ; 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Natural Science Foundation of Anhui Province ; Natural Science Foundation of Anhui Province |
内容类型 | 期刊论文 |
源URL | [http://ir.hfcas.ac.cn:8080/handle/334002/38594] ![]() |
专题 | 合肥物质科学研究院_中科院强磁场科学中心 |
通讯作者 | Zhu, W. K. |
作者单位 | 1.Chinese Acad Sci, Anhui Prov Key Lab Condensed Matter Phys Extreme, High Field Magnet Lab, Hefei 230031, Anhui, Peoples R China 2.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China 3.Anhui Univ, Inst Phys Sci & Informat Technol, Hefei 230601, Anhui, Peoples R China |
推荐引用方式 GB/T 7714 | Liang, D. D.,Wang, Y. J.,Xi, C. Y.,et al. Extreme magnetoresistance and Shubnikov-de Haas oscillations in ferromagnetic DySb[J]. APL MATERIALS,2018,6(8):8. |
APA | Liang, D. D..,Wang, Y. J..,Xi, C. Y..,Zhen, W. L..,Yang, J..,...&Zhang, C. J..(2018).Extreme magnetoresistance and Shubnikov-de Haas oscillations in ferromagnetic DySb.APL MATERIALS,6(8),8. |
MLA | Liang, D. D.,et al."Extreme magnetoresistance and Shubnikov-de Haas oscillations in ferromagnetic DySb".APL MATERIALS 6.8(2018):8. |
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