Magnetic surface anisotropies in NiFe-alloy films: separation of intrinsic Néel-type from strain relaxation contributions

6533b7d8fe1ef96bd126a20e

RESEARCH PRODUCT

Magnetic surface anisotropies in NiFe-alloy films: separation of intrinsic Néel-type from strain relaxation contributions

subject

Permalloy Range (particle radiation)Materials science Strain (chemistry)Condensed matter physics Plane (geometry)Relaxation (NMR)Alloy engineering.material Condensed Matter Physics Electronic Optical and Magnetic Materials Perpendicular engineering Anisotropy

description

Abstract Magnetic surface anisotropies (MSA) in NiFe/Cu(1 1 1) films were investigated experimentally, for varying compositions of the NiFe alloy. By restricting the measurements to the pseudomorphic range, the pure intrinsic Neel-type anisotropy could be isolated without strain relaxation contributions. The intrinsic MSA of the xNi(1−x)Fe/Cu(1 1 1) interface varies linearly with composition x between easy plane for pure Ni to perpendicular for x=60 and 48%. It vanishes near the permalloy composition x=80%.

year	journal	country	edition	language
1999-12-01	Journal of Magnetism and Magnetic Materials

https://doi.org/10.1016/s0304-8853(99)00549-1

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