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Magnetic reversal in Sr4Ru3O10 nanosheets probed by anisotropic magnetoresistance
Liu, Yan; Chu, Weiwei; Yang, Jiyong; Liu, Guoqiang; Du, Haifeng; Ning, Wei; Ling, Langsheng; Tong, Wei; Qu, Zhe; Cao, Gang; Xu, Zhuan; Tian, Mingliang
2018
发表期刊PHYSICAL REVIEW B
卷号98期号:2
摘要The origin of the unusual second magnetic transition at a temperature T-M in the ruthenate Sr4Ru3O10 remains elusive. Here, we have investigated the thickness-dependent anisotropic magnetoresistance of Sr4Ru3O10 nanosheets, and clearly found that the sign of the magnetoresistance (MR) presents an unusual reversal behavior from a positive to negative with an external magnetic field H perpendicular to Lab plane or vice versa with H parallel to ab plane when the temperature decreases across the T-M. Analysis of the data demonstrates that this MR reversal is caused by the magnetization reversal from the ab plane ferromagnetic order at T > T-M to the c direction at T < T-M due to the competition between the shape anisotropy and the inherent magnetocrystalline anisotropy. Our result suggests that the second magnetic transition in Sr4Ru3O10 nanosheets originates from a spin reorientation.
关键词Ruthenate Sr3ru2o7 Superconductivity Sr2ruo4 Films
学科领域Materials Science
语种英语
文献类型期刊论文
条目标识符http://ir.nimte.ac.cn/handle/174433/17299
专题2018专题
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GB/T 7714
Liu, Yan,Chu, Weiwei,Yang, Jiyong,et al. Magnetic reversal in Sr4Ru3O10 nanosheets probed by anisotropic magnetoresistance[J]. PHYSICAL REVIEW B,2018,98(2).
APA Liu, Yan.,Chu, Weiwei.,Yang, Jiyong.,Liu, Guoqiang.,Du, Haifeng.,...&Tian, Mingliang.(2018).Magnetic reversal in Sr4Ru3O10 nanosheets probed by anisotropic magnetoresistance.PHYSICAL REVIEW B,98(2).
MLA Liu, Yan,et al."Magnetic reversal in Sr4Ru3O10 nanosheets probed by anisotropic magnetoresistance".PHYSICAL REVIEW B 98.2(2018).
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