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Instabilities of switching processes in synthetic antiferromagnets
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10.1063/1.2363177
/content/aip/journal/apl/89/16/10.1063/1.2363177
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/16/10.1063/1.2363177
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Magnetic phase diagram for small cubic anisotropies holds only planar stable phases. Antiferromagnetic (a) and spin-flop (b) states exist in a magnetic field along the easy axis . The first-order (spin-flop) transition occurs in the critical field . In oblique magnetic fields, , the transition occurs between canted (c) phases that are distorted antiferromagnetic and spin-flop states. Thin lines give stability limits of metastable states, and dashed line is the continuous transition into the saturated spin-flip phase (d).

Image of FIG. 2.
FIG. 2.

(Color online) Lability lines of the escaped spin-flop phase for and different ratios between cubic and uniaxial anisotropies.

Image of FIG. 3.
FIG. 3.

(Color online) Magnetic phase diagram for contains a first-order transition [thick (red) line] between the canted and escaped spin-flop phases. Both phases continuously transform into the saturated state at critical lines (dashed blue). The first-order and two second-order lines meet in a bicritical point B. Inset (a): phase diagram for interpolates between the simple case with planar phases (Fig. 1) and the main figure. Three first-order lines meet at triple point T. Inset (b): sketch of a multidomain pattern in the escaped spin-flop phase.

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/content/aip/journal/apl/89/16/10.1063/1.2363177
2006-10-17
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Instabilities of switching processes in synthetic antiferromagnets
http://aip.metastore.ingenta.com/content/aip/journal/apl/89/16/10.1063/1.2363177
10.1063/1.2363177
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