Experimental observation of the longitudinal resonance mode in ferromagnets with random anisotropy

Experimental observation of the longitudinal resonance mode in ferromagnets with random anisotropy

We report here the first experimental observation of the longitudinal resonance mode in ferromagnets with a wandering axis (FWA). The mode is detected in amorphous Co93−xZr7(RE)x thin films with RE=Pr,Nd,Tb, and Dy, 0≤x≤4, but only if the film exhibits a very well defined in-plane uniaxial anisotrop...

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Veröffentlicht in:Journal of Applied Physics 1996-04, Vol.79 (8), p.5381-5383
Hauptverfasser: Suran, G., Boumaiz, E., Youssef, J. Ben
Format: Artikel
Sprache:eng
Schlagworte:
AMORPHOUS STATE
ANISOTROPY
COBALT OXIDES
DYSPROSIUM OXIDES
FERROMAGNETIC MATERIALS
MAGNETIC RESONANCE
MATERIALS SCIENCE
NEODYMIUM OXIDES
PRASEODYMIUM OXIDES
TERBIUM OXIDES
THIN FILMS
ZIRCONIUM OXIDES
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Beschreibung
Zusammenfassung:We report here the first experimental observation of the longitudinal resonance mode in ferromagnets with a wandering axis (FWA). The mode is detected in amorphous Co93−xZr7(RE)x thin films with RE=Pr,Nd,Tb, and Dy, 0≤x≤4, but only if the film exhibits a very well defined in-plane uniaxial anisotropy field Hk. The experimental identification and some of the main properties of the longitudinal mode are reported and compared with theoretical predictions.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.362310