Spin-disorder scattering in concentrated nickel copper alloys

Kaul, S. N. (1974) Spin-disorder scattering in concentrated nickel copper alloys Solid State Communications, 15 (7). pp. 1179-1184. ISSN 0038-1098

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/003810...

Related URL: http://dx.doi.org/0.1016/0038-1098(74)90046-5


The electrical resistivities of pure nickel and its alloys containing 9.38, 18.77 and 28.32 at.% copper were measured from 80° K to 920° K. The solute resistivities ρs(T) [=ρalloy(T)-ρhost(T)] above 300° K were found to be in excellent agreement with a spin-disorder model which takes into account the different moments on solute and host sites, whereas agreement with well-known Mott band model was not at all satisfactory. Thus, it was concluded that a spin-disorder scattering mechanism is dominant in the high-temperature solute resistivities of nickel copper alloys used in the present investigation.

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