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State diagram of an antiferromagnet with a predominant Dzyaloshinskii interaction
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10.1063/1.2409634
/content/aip/journal/ltp/33/1/10.1063/1.2409634
http://aip.metastore.ingenta.com/content/aip/journal/ltp/33/1/10.1063/1.2409634
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Orientation of the antiferromagnetic vector and magnetization vector for arbitrary orientation of the external magnetic field in the plane: and are the polar and azimuthal angles of the vector; is an angle characterizing the direction of the vector in the plane perpendicular to (measured from the line of intersection of that plane with a plane passing through the axis and the vector).

Image of FIG. 2.
FIG. 2.

State diagram of an easy-axis antiferromagnet with a Dzyaloshinskii interaction for the case when the external magnetic field is perpendicular to the easy axis: 1 is a line of two-phase equilibrium , while lines 2 and 3 bound the existence region of metastable states. For line 2 is a line of second-order phase transitions.

Image of FIG. 3.
FIG. 3.

State diagram of an easy-axis tetragonal antiferromagnet with a predominant Dzyaloshinskii interaction at arbitrary orientation of the external magnetic field in the plane: 1 — line of second-order transitions; 2 and 3 — line bounding the region of metastable states, 4 — line of the equilibrium first-order phase transition. is a tricritical point, at which the line of second-order phase transitions crosses the line of first-order phase transitions. is the largest value of the magnetic field at which the antiferromagnetic phase is realized .

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/content/aip/journal/ltp/33/1/10.1063/1.2409634
2007-01-01
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: State diagram of an antiferromagnet with a predominant Dzyaloshinskii interaction
http://aip.metastore.ingenta.com/content/aip/journal/ltp/33/1/10.1063/1.2409634
10.1063/1.2409634
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