Extreme magnetoresistance and Shubnikov-de Haas oscillations in ferromagnetic DySb

doi:10.1063/1.5040662

CORC > 合肥物质科学研究院 > 中国科学院合肥物质科学研究院 > 中科院强磁场科学中心

	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
	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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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.