E. G. Lokk
Received March 31, 2006
Abstract—The dispersion relations for an in-plane-magnetized ferrite plate with an arbitrary combination of
magnetic-wall or perfectly conducting plane boundary conditions imposed at a distance from the plate’s sur-
faces are compared. A rule is formulated so that a dispersion relation for one of the structures can be used to
derive the equation for any other structure. The isofrequency and dispersion characteristics of magnetostatic
waves in a metal/ferrite/magnetic-wall structure are investigated. It is found that, in this case, the waves are
characterized not only by a unidirectional propagation over the entire range of their existence (~5 GHz) but also
by the presence of a nearly straight section of the dispersion curve (~2 GHz). In this structure, volume waves,
surface waves, and waves with an amplitude that is constant over the plate thickness are seen to exist within the
same frequency interval.
PACS numbers: 85.70.Ec, 75.70.-i
DOI: 10.1134/S1064226907020088
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