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Structure and Magnetic Properties of FE/ZR Multilayer Films

  • Toyohiko J. Konno (a1), Takenori Nakayama (a2), Bruce M. Clemens (a1) and Robert Sinclair (a1)

Abstract

We investigated structural and magnetic properties of Fe/Zr Multilayer films using high-resolution transmission electron Microscopy, X-ray diffraction and vibrating sample Magnetometry. For films with wavelength (Λ) ≥ 80Å, the interface region between the Fe and Zr layers exhibits a 15–20Å thick amorphous structure. The Magnetization curves of these films showed a monotonous decrease in the saturation magnetizations with Λ, whose trend is well explained by a simple asymptotic model that assumes the interface amorphous layer to be non-ferromagnetic. Films with Λ≤40Å exhibit a compositionally-Modulated amorphous structure. The latter films are paramagnetic except for the one with Λ=40Å, which showed a superparamagnetic behavior.

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Structure and Magnetic Properties of FE/ZR Multilayer Films

  • Toyohiko J. Konno (a1), Takenori Nakayama (a2), Bruce M. Clemens (a1) and Robert Sinclair (a1)

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