Formation of quadrupolar phase in non-Heisenberg ferromagnets with half-integer spin

Possibility of realization of quadrupolar phase in non-Heisenberg ferromagnet with magnetic ion spin 3 2 is studied. It is shown that such phase state exists only in ferromagnets with high value of biquadratic exchange when external magnetic field is not applied. Phase diagram of the system is built...

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Veröffentlicht in:	Physica. B, Condensed matter Condensed matter, 2005-03, Vol.357 (3), p.478-484
Hauptverfasser:	Fridman, Yu.A., Kosmachev, O.A., Spirin, D.V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biquadratic exchange Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Ferromagnetic phase General theory and models of magnetic ordering Half-integer spin Magnetic properties and materials Physics Quadrupolar phase
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Possibility of realization of quadrupolar phase in non-Heisenberg ferromagnet with magnetic ion spin 3 2 is studied. It is shown that such phase state exists only in ferromagnets with high value of biquadratic exchange when external magnetic field is not applied. Phase diagram of the system is built.
ISSN:	0921-4526 1873-2135
DOI:	10.1016/j.physb.2004.12.014