Roller Coaster in a Flatland: Magnetoresistivity in Eu-Intercalated Graphite
Roller Coaster in a Flatland: Magnetoresistivity in Eu-Intercalated Graphite
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平地上的过山车:铕插层石墨的磁阻
DOI:
10.1103/physrevx.12.021010
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发表时间:
2022
影响因子:
12.5
通讯作者:
Starykh, O. A.
中科院分区:
文献类型:
--
作者:
Chernyshev, A. L.;Starykh, O. A.
Novel phenomena in magnetically intercalated graphite have been the subject of much research, pioneered and promoted by M. S. and G. Dresselhaus and many others in the 1980s. Among the most enigmatic findings of that era was the dramatic, roller-coaster-like behavior of the magnetoresistivity in acompound, in which magneticions form a triangular lattice that is commensurate to graphite honeycomb planes. In this study, we provide a long-awaitedmicroscopicexplanation of this behavior, demonstrating that the resistivity ofis dominated by spin excitations in Eu planes and their highly nontrivial evolution with the magnetic field. Together with our theoretical analysis, the present study showcases the power of the synthetic 2D materials as a source of potentially significant insights into the nature of exotic spin excitations.
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DOI:
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Physical Review B (Condensed Matter)
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