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[10s, 2004] 

Journal of Electrical Engineering, Vol 55, 10s (2004) 16-19

MAGNETO-OPTICAL HYSTERESIS MEASUREMENTS AND CALCULATIONS OF ORTHOFERRITES

Martin Evanzin – Yuri S. Didosyan – Hans Hauser

   The aim of this work is to provide a better understanding of the non-linear magneto-optical behavior of orthoferrite-crystals. By means of an optical method it is possible to measure the hysteresis loop containing the characteristics of the ferromagnetic material. The magnetization of a single plate of yttrium orthoferrite (YFeO3) reaches values up to 8.36 kA/m within magnetization curves up to fields of 400 kA/m. The measured loops will be compared with the results of different methods of calculations of the magnetization curves.

Keywords: orthoferrites, transparent ferromagnets, hysteresis, domain size


[full-paper]


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