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Electrical control of magnon propagation in multiferroic films
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10.1063/1.2835704
/content/aip/journal/apl/92/2/10.1063/1.2835704
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/2/10.1063/1.2835704
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Spin and polarization waves in a canted multiferroic, such as a film. The sublattice magnetizations , lie in the plane perpendicular to the FE polarization . Fluctuations denote polar phonons associated to vibrations of the FE moment. (a) Depicts the low frequency (soft) spin wave mode. (b) High-frequency (gapped) mode. The dots in the circle denote the position of the spins one quarter cycle later. The soft mode leaves the canting angle invariant, while the gapped mode modulates . (c) Coordinate system.

Image of FIG. 2.
FIG. 2.

(a) Low frequency magnetostatic spin wave dispersion for a film, for propagation angles (propagation along the electric polarization direction ), 10°, 30°, 60°, 90° (propagation along the Néel direction ). The high frequency mode (not shown) has a gap equal to the Dyzyaloshinskii—Moriya coupling , and is nearly isotropic with respect to the direction of spin wave propagation. (b) Dispersion including electrodynamical effects in the region. Note the relationship between the magnetostatic gap in (a) and the photon-magnon anticrossing in (b).

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/content/aip/journal/apl/92/2/10.1063/1.2835704
2008-01-18
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electrical control of magnon propagation in multiferroic BiFeO3 films
http://aip.metastore.ingenta.com/content/aip/journal/apl/92/2/10.1063/1.2835704
10.1063/1.2835704
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