Berichte der Bunsengesellschaft für physikalische Chemie

Volume 82, Issue 3 pp. 329-334

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Magnetic Structures and Stresses in Thin Films I. Ferromagnetic Resonance Experiments

J. K. Blum,

J. K. Blum

Institut für Physikalische Chemie der Technischen Universität, Callinstraße 3 - 3A, D-3000 Hannover

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W. Göpel,

W. Göpel

Institut für Physikalische Chemie der Technischen Universität, Callinstraße 3 - 3A, D-3000 Hannover

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J. K. Blum,

J. K. Blum

Institut für Physikalische Chemie der Technischen Universität, Callinstraße 3 - 3A, D-3000 Hannover

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W. Göpel,

W. Göpel

Institut für Physikalische Chemie der Technischen Universität, Callinstraße 3 - 3A, D-3000 Hannover

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First published: März 1978

https://doi.org/10.1002/bbpc.197800049

Citations: 8

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Abstract

The ferromagnetic resonance (FMR) on Ni, Fe and epitaxial Ni/Fe thin films (thickness D_M = 2.4-50 monolayers) was investigated under UHV conditions. Resonance field, lineshape, linewidth and absorbed microwave power were recorded for different film thicknesses, temperatures and deposition rates during film preparation and for different annealing procedures. The effect of H₂ chemisorption on the FMR-parameters of Ni was studied as a function of coverage θ (θ_max = 0.3) after different high temperature pretreatments of the film. A phenomenological discussion of FMR results is given taking into consideration corresponding geometric film structures.

Abstract

Untersuchungen der Ferromagnetischen Resonanz (FMR) dünner Ni-, Fe- und epitaktischer Ni/Fe-Schichten wurden unter UHV-Bedingungen bei Schichtdicken zwischen 2,4 und 50 Monolagen durchgeführt. Dazu wurden Resonanzfeldstärke, Linienform, Linienbreite und absorbierte Mikrowellenleistung für verschiedene Schichtdicken, Temperaturen sowie Aufdampfraten bei der Filmherstellung und für unterschiedliche Temperbedingungen aufgenommen. H₂-Chemisorption wurde mit der FMR als Funktion der Bedeckung (θ_H < 0,3) nach unterschiedlichen Temperbedingungen verfolgt. – Die FMR-Ergebnisse an Filmen unterschiedlicher geometrischer Struktur werden phänomenologisch diskutiert.

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Volume82, Issue3

März 1978

Pages 329-334

Magnetic Structures and Stresses in Thin Films I. Ferromagnetic Resonance Experiments

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Magnetic Structures and Stresses in Thin Films I. Ferromagnetic Resonance Experiments

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