Scaling of the anomalous Hall current in Fe100−x(SiO2)x films

W. J. Xu, Bei Zhang, Qingxiao Wang, W. B. Mi, Z. Wang, W. Li, R. H. Yu, Xixiang Zhang

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19 Scopus citations


To study the origin of the anomalous Hall effect, Fe100−x(SiO2)x granular films with a volume fraction of SiO2 (0 ⩽ x ⩽ 40.51) were fabricated using cosputtering. Hall and longitudinal resistivities were measured in the temperature range of 5–350 K with magnetic fields up to 5 T. As x increased from 0 to 40.51, the anomalous Hall resistivity and longitudinal resistivity increased by about four and three orders in magnitude, respectively. Analysis of the results revealed that the normalized anomalous Hall conductivity is a constant for all of the samples, which may suggest a scattering-independent anomalous Hall conductivity in Fe.
Original languageEnglish (US)
JournalPhysical Review B
Issue number20
StatePublished - May 20 2011

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KAUST Repository Item: Exported on 2020-10-01


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