Mechanisms of magnetic and temperature hysteresis in ErFeO3 and TmFeO3 single crystals

Journal of Applied Physics

Volumn 108, Issue 8, 2010, Pages

  Tsymbal, L T ^a   Bazaliy, Ya B ^b,c   Kakazei, G N ^c,d   Vasiliev, S V ^a  

^a DONETSK PHYSICOTECHNICAL INSTITUTE   (Ukraine)

^b UNIVERSITY OF SOUTH CAROLINA   (United States)

^c INSTITUTE OF MAGNETISM   (Ukraine)

^d UNIVERSITY OF PORTO   (Portugal)

Author keywords

[No Author keywords available]

Indexed keywords

FERROMAGNETS; HYSTERESIS CURVE; MAGNETIC LENGTH; MAGNETIC STATE; NANO-SIZE; ORTHOFERRITES; SINGLE CRYSTAL SAMPLES; TEMPERATURE DEPENDENT; TEMPERATURE EVOLUTION; TEMPERATURE HYSTERESIS; TEMPERATURE TRANSITION; WEAK FERROMAGNETISM; WEAK FERROMAGNETS;

FERROMAGNETIC MATERIALS; HYSTERESIS; MAGNETIC MOMENTS; MAGNETS; SINGLE CRYSTALS;

FERROMAGNETISM;

EID: 78149452128     PISSN: 00218979     EISSN: None     Source Type: Journal    
DOI: 10.1063/1.3499616     Document Type: Article

References (12)

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12. In our particular example the permalloy and the orthoferrite differ qualitatively in the value of the factor Q=2π Ms 2 /K, where K is the crystalline anisotropy constant. The opposite limits are realized for permalloy (Q1) and orthoferrite (Q1). This circumstance, together with the sample shape, leads to a sharp difference in the nature of magnetic defects: they are vortices in permalloy disks and domain walls in orthoferrite rectangles.