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Phase field modeling of magnetization processes in growth twinned Terfenol-D crystals
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10.1063/1.2996586
/content/aip/journal/apl/93/14/10.1063/1.2996586
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/14/10.1063/1.2996586
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Figures

Image of FIG. 1.
FIG. 1.

(a) Energy-minimizing domain configuration in growth twinned Terfenol-D crystal. Magnetization vectors are aligned perpendicular to the (111) growth twin boundaries and form continuous 180° domains. (b) Schematics of crystallographic orientations and magnetization easy axes (projected to the plane of figure) of a pair of twin-related crystals (parent and twin). Only the easy axes whose dot products with applied magnetic field along the growth direction are non-negative are shown.

Image of FIG. 2.
FIG. 2.

Magnetization (a) and strain (b) responses of twinned Terfenol-D crystal under magnetic field along the growth direction. (c) Typical domain structures corresponding to three points A, B, and C of the magnetization curves in (a). Three different cases are simulated: (i) noninteracting domains with magnetization rotation only, (ii) magnetically but not elastically interacting domains with both magnetization rotation and domain wall motion, and (iii) taking into account all energy contributions and allowing magnetization to evolve freely.

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/content/aip/journal/apl/93/14/10.1063/1.2996586
2008-10-08
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Phase field modeling of magnetization processes in growth twinned Terfenol-D crystals
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/14/10.1063/1.2996586
10.1063/1.2996586
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