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The spontaneous resistive anisotropy in amorphous and hydrogenated FeZr (1990)

Ma, H. ; Wang, Z. ; Kunkel, H. P. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 67 (1990), S. 5964-5966

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Details

ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: Measurements of the spontaneous resistive anisotropy(SRA)—basically the difference between the longitudinal and transverse magnetoresistance extrapolated to zero induction—in amorphous FeZr as a function of field (0–1 T) and temperature (1.5–300 K) are presented. The Fe concentrations investigated range from 89 to 92 at. % and the effects of hydrogenation have also been studied. For the hydrogen-free samples a nonzero SRA develops at the ferromagnetic ordering (Curie) temperature Tc and persists to the lowest attainable temperature, with no obvious anomaly in the vicinity of the proposed transverse-spin freezing temperature Txy. With the inclusion of hydrogen, both Tc and the magnitude of the SRA increase, and attempts are made to correlate such increases with the changes in band structure and mean iron moment.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.346029

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