Increased domain wall velocities due to an orthorhombic anisotropy in garnet epitaxial films

Magnetic domain wall velocities are compared for (Eu,Lu)3 (Fe,Al)5O12 films grown on (110) and (111) Gd3Ga5O12 substrates. The (110) films have an orthorhombic anisotropy which is partly stress induced and partly growth induced; the (111) films are uniaxial. Wall velocities approaching 500 m/sec hav...

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Published in:Applied physics letters 1976-12, Vol.29 (12), p.817-819
Main Authors: Stacy, W. T., Voermans, A. B., Logmans, H.
Format: Article
Language:English
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Summary:Magnetic domain wall velocities are compared for (Eu,Lu)3 (Fe,Al)5O12 films grown on (110) and (111) Gd3Ga5O12 substrates. The (110) films have an orthorhombic anisotropy which is partly stress induced and partly growth induced; the (111) films are uniaxial. Wall velocities approaching 500 m/sec have been measured in the orthorhombic films while the (111) films exhibit a maximum velocity of ∼5 m/sec. The results are compared with theoretical limiting velocities.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.88961