Low Temperature Physics: 36, 798 (2010); https://doi.org/10.1063/1.3499246 (4 pages)
Физика Низких Температур: Том 36, Выпуск 8-9 (Август 2010), c. 1001-1005    ( к оглавлению , назад )

Triangular hysteresis loops in the spin-rotation region of orthoferrites

Ya.B. Bazaliy1,2 and L.T. Tsymbal3

1Institute of Magnetism of the National Academy of Sciences of Ukraine, 36 Vernadskogo Blvd., Kyiv 03143, Ukraine

2University of South Carolina, Columbia SC 29208, USA

3O. Galkin Donetsk Physics & Technology Institute of the National Academy of Sciences of Ukraine 72 R. Luxemburg Str., Donetsk 83114, Ukraine
E-mail: lt_tsymbal@yahoo.com

Received January 22, 2010


Suggested theory qualitatively explains the shapes of the hysteresis loops in orthoferrites within the temperature interval of the magnetic reorientation transition. Triangular loops result from the strong temperature dependence of both the magnetic moment and the magnetic domain wall structure.

PACS: 75.60.Ej Magnetization curves, hysteresis, Barkhausen and related effects;
PACS: 75.60.Jk Magnetization reversal mechanisms;
PACS: 75.50.Gg Ferrimagnetics;
PACS: 75.30.Kz Magnetic phase boundaries (including classical and quantum magnetic transitions, metamagnetism,etc.).

Key words: orthoferrites, domain wall structure, hysteresis loops.