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- W4294805322 abstract "The search for quantum materials with various symmetry-protected topological states has been the focus of recent research interest, primarily due to their fascinating physical properties and the potential technological utility. In this work, we report on the magnetotransport, de Haas-van Alphen (dHvA) oscillations, and the first-principles calculations of the stannide Cu3Sn that is isostructural with the recently reported topological semimetal Ag3Sn. The magnetoresistance was found to vary quasi-linearly in field. Clear dHvA oscillations were observed under a field as low as 1 Tesla at 2 K, with three major oscillation frequencies Fα = 8.74 T, Fβ = 150.19 T and Fγ = 229.66 T and extremely small effective masses. The analysis of dHvA quantum oscillations revealed a possible nonzero Berry phase, suggestive of the nontrivial band topology. The corroborating evidence for the nontrivial electronic topology also comes from the first-principles calculations which yield a nonzero Z2 topological index. These results collectively suggest that Cu3Sn, in analogy to its homolog Ag3Sn, may be another intermetallic stannide hosting topological Dirac fermions." @default.
- W4294805322 created "2022-09-06" @default.
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- W4294805322 date "2022-12-01" @default.
- W4294805322 modified "2023-10-18" @default.
- W4294805322 title "de Haas-van Alphen effect and the first-principles study of the possible topological stannide Cu3Sn" @default.
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- W4294805322 doi "https://doi.org/10.1016/j.jallcom.2022.167017" @default.
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