Exchange bias and antiferromagnetic interfacial exchange coupling in the mixed-spin oxide Li{sub 2/7}Ni{sub 5/7}O
Journal Article
·
· Journal of Applied Physics
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016 (China)
We present a detailed study on magnetic properties of mixed spin oxide Li{sub 2/7}Ni{sub 5/7}O, where small ferromagnetic (FM) clusters (with averaged diameter of ∼18 Å) immersed with an antiferromagnetic (AFM) host. The exchange bias (EB) with shifts of the hysteresis loop along both the field and magnetization axes is found, which is due to the interfacial interaction between the FM clusters and the AFM host. An AFM interfacial exchange coupling is deduced from the exchange interactions between Ni ions. The type and strength of this interfacial exchange interaction are discussed in terms of the EB at low temperature.
- OSTI ID:
- 22275631
- Journal Information:
- Journal of Applied Physics, Vol. 115, Issue 4; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANTIFERROMAGNETIC MATERIALS
ANTIFERROMAGNETISM
ATOMIC FORCE MICROSCOPY
COUPLING
EXCHANGE INTERACTIONS
FERROMAGNETIC MATERIALS
FERROMAGNETISM
HYSTERESIS
INTERFACES
LITHIUM COMPOUNDS
MAGNETIC PROPERTIES
MAGNETIZATION
NICKEL IONS
NICKEL OXIDES
SPIN
TEMPERATURE DEPENDENCE
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANTIFERROMAGNETIC MATERIALS
ANTIFERROMAGNETISM
ATOMIC FORCE MICROSCOPY
COUPLING
EXCHANGE INTERACTIONS
FERROMAGNETIC MATERIALS
FERROMAGNETISM
HYSTERESIS
INTERFACES
LITHIUM COMPOUNDS
MAGNETIC PROPERTIES
MAGNETIZATION
NICKEL IONS
NICKEL OXIDES
SPIN
TEMPERATURE DEPENDENCE