期刊
PHYSICAL REVIEW B
卷 79, 期 20, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.79.205116
关键词
cobalt compounds; core levels; ferromagnetic materials; photoelectron spectra; surface states; tin compounds
资金
- Deutsche Forschungsgemeinschaft (DFG) [MO 1049/1-1, RO 2460/3-1]
Surface electronic structure of polycrystalline and single-crystalline samples of the half-metallic ferromagnet Co3Sn2S2 was studied by means of angle-resolved and core-level photoemissions. The experiments were performed in temperature regimes both above and below a Curie temperature of 176.9 K. The spectroscopic results are compared to local-spin density approximation band-structure calculations for the bulk samples. It is found that the surface sensitive experimental data are generally reproduced by the bulk computation suggesting that the theoretically predicted half-metallic properties of Co3Sn2S2 are retained at the surface.
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