Scaling Behavior of the Giant Anisotropic Magnetoresistance in Thin Films of the Heavy-Fermion Compound CeAl sub 3

Scaling Behavior of the Giant Anisotropic Magnetoresistance in Thin Films of the Heavy-Fermion Compound CeAl sub 3

High-quality thin films of CeAl sub 3 with preferentially oriented crystal structure have been prepared, allowing unambiguous measurement of the orientation dependence of the magnetoresistance Delta rho : a very large anisotropy is observed. When a magnetic field is applied along the crystal c axis,...

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Veröffentlicht in:Physical review. B, Condensed matter Condensed matter, 1992-06, Vol.45 (22), p.12893-12897
Hauptverfasser: Roesler, G M, Tedrow, P M
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container_title Physical review. B, Condensed matter
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creator Roesler, G M
Tedrow, P M
description High-quality thin films of CeAl sub 3 with preferentially oriented crystal structure have been prepared, allowing unambiguous measurement of the orientation dependence of the magnetoresistance Delta rho : a very large anisotropy is observed. When a magnetic field is applied along the crystal c axis, a positive transverse Delta rho is exhibited over a much larger region of H and T than is the case with bulk polycrystalline samples. Kondo scattering is diminished in this orientation when T is < 6K. Two qualitatively different regimes are observed in which Delta rho is described by universal functions of H/T.
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title Scaling Behavior of the Giant Anisotropic Magnetoresistance in Thin Films of the Heavy-Fermion Compound CeAl sub 3
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