Antiferromagnetic spin flop and exchange bias

Journal Article · Wed Mar 01 00:00:00 EST 2000 · Physical Review. B, Condensed Matter and Materials Physics

DOI:https://doi.org/10.1103/PhysRevB.61.R6455· OSTI ID:20215624

Nogues, J ^[1]; Morellon, L ^[2]; Leighton, C ^[3]; Ibarra, M R ^[2]; Schuller, Ivan K ^[3]

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1. Departament de Fisica, Universitat Autonoma de Barcelona, 08193 Bellaterra, (Spain)
2. Departamento de Fisica de la Materia Condensada-ICMA, Universidad de Zaragoza-CSIC, 50009 Zaragoza, (Spain)
3. Physics Department 0319, University of California-San Diego, La Jolla, California 92093-0319 (United States)

The effect of the antiferromagnetic spin flop on exchange bias has been investigated in antiferromagnetic (MnF{sub 2})-ferromagnetic (Fe) bilayers. Cooling and measuring in fields larger than the antiferromagnetic spin-flop field, H{sub SF}, causes an irreversible reduction of the magnitude of the exchange bias field, H{sub E}. This indicates that, contrary to what is normally assumed, the interface spin structure does not remain ''frozen in'' below T{sub N} if large enough fields are applied. (c) 2000 The American Physical Society.

• OSTI ID: 20215624
• Journal Information: Physical Review. B, Condensed Matter and Materials Physics, Vol. 61, Issue 10; Other Information: PBD: 1 Mar 2000; ISSN 1098-0121
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
EXCHANGE INTERACTIONS
COOLING
IRON
LAYERS
MANGANESE FLUORIDES
NEEL TEMPERATURE
SPIN EXCHANGE
SPIN FLIP
ANTIFERROMAGNETIC MATERIALS
FERROMAGNETIC MATERIALS
MAGNETISM
INTERFACES
EXPERIMENTAL DATA
THEORETICAL DATA