Galvanomagnetic properties of a molybdenum permalloy

Kaul, S. N. (1977) Galvanomagnetic properties of a molybdenum permalloy Physical Review B, 15 (2). pp. 755-762. ISSN 0163-1829

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The electrical resistivity, Hall effect, and transverse magnetoresistivity of 78-wt.%-Ni, 19-wt.%-Fe, 3-wt.%-Mo alloy were measured from 300° K to above its Curie temperature in fields up to 10 kOe. The results, when analyzed in terms of the existing theories, showed that the spin-disorder scattering gives a dominant contribution to the high-temperature solute resistivity and transverse magnetoresistivity whereas the "side-jump" mechanism is dominant in spontaneous Hall effect at high temperatures. The ordinary Hall coefficient R0 was found to pass through a sharp maximum around 0.93Tc. The well-known two-current conduction model, though able to duplicate the qualitative features of the temperature dependence observed for the ordinary Hall coefficient below ~ 500° K, was found to be incapable of explaining the strong temperature dependence of R0 above ~ 500° K.

Item Type:Article
Source:Copyright of this article belongs to American Physical Society.
ID Code:30061
Deposited On:23 Dec 2010 03:22
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