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

doi:10.1103/PhysRevB.83.205311

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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Abstract

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 language	English (US)
Journal	Physical Review B
Volume	83
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevB.83.205311
State	Published - May 20 2011

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title = "Scaling of the anomalous Hall current in Fe100−x(SiO2)x films",

abstract = "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.",

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AU - Xu, W. J.

AU - Zhang, Bei

AU - Wang, Qingxiao

AU - Mi, W. B.

AU - Wang, Z.

AU - Li, W.

AU - Yu, R. H.

AU - Zhang, Xixiang

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PY - 2011/5/20

Y1 - 2011/5/20

N2 - 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.

AB - 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.

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

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