PARALLEL PUMP SPIN-WAVE INSTABILITY THRESHOLD IN THIN FERROMAGNETIC-FILMS

Autor(en): KOSTYLEV, MP
KALINIKOS, BA
DOTSCH, H
Stichwörter: Materials Science; Materials Science, Multidisciplinary; Physics; Physics, Condensed Matter; RESONANCE
Erscheinungsdatum: 1995
Herausgeber: ELSEVIER SCIENCE BV
Journal: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volumen: 145
Ausgabe: 1-2
Startseite: 93
Seitenende: 110
Zusammenfassung: 
A rigorous theory of parallel pump instability threshold of spin waves in ferromagnetic films is developed. Dipole and exchange interactions, the dipole-dipole hybridization of spin wave branches, and the magnetocrystalline and induced anisotropies are taken into account. Expressions for the parallel pump instability threshold are obtained in general form which can be used to calculate the threshold of a single ferromagnetic layer or a multilayered structure containing an arbitrary number of ferromagnetic films. The influences of the dipole-dipole hybridization of parametrically generated spin waves and of their nonreciprocal propagation properties on the threshold are discussed.
ISSN: 03048853
DOI: 10.1016/0304-8853(94)01612-7

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