Magnetotransport properties of Cr1−δTe thin films with strong perpendicular magnetic anisotropy | Zendy

Liang Zhou | Zendy; J. S. Chen | Zendy; Z. Z. Du | Zendy; Xuheng He | Zendy; B. C. Ye | Zendy; GuoPing Guo | Zendy; Hai-Zhou Lu | Zendy; Gan Wang | Zendy; Hongtao He | Zendy

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Magnetotransport properties of Cr1−δTe thin films with strong perpendicular magnetic anisotropy

Author(s) -

Liang Zhou,

J. S. Chen,

Z. Z. Du,

Xuheng He,

B. C. Ye,

GuoPing Guo,

Hai-Zhou Lu,

Gan Wang,

Hongtao He

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.5011405

Subject(s) - condensed matter physics , magnetoresistance , ferromagnetism , curie temperature , materials science , epitaxy , magnetic anisotropy , anisotropy , thin film , scattering , hall effect , substrate (aquarium) , magnetization , magnetic field , physics , nanotechnology , optics , oceanography , geology , layer (electronics) , quantum mechanics

P-type ferromagnetic Cr1-δTe thin films with the Curie temperature of 170K were epitaxially grown on GaAs substrate. Low-temperature magnetotransport study reveals that the film has a strong perpendicular magnetic anisotropy (PMA) and an anisotropic magnetoresistance (AMR) ratio up to 8.1%. Furthermore, reduced anomalous Hall effect is observed at low temperatures in Cr1-δTe, suggesting the possible crossover of the contribution to AHE from the intrinsic mechanism to extrinsic skew scattering. Distinctive from conventional transition metal ferromagnets, the AMR ratio is also greatly suppressed at low temperatures. Our work demonstrates that epitaxial Cr1-δTe films are interesting platforms for studying the physics underlying the strong PMA and large AMR

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