Exchange bias in zinc ferrite-FeNiMoB based metallic glass composite thin films
- Christian College, Chengannur, Kerala-689121 (India)
- Inter University Accelerator Centre, Vasant Kunj, New Delhi-110067 (India)
- School of Materials Science and Engineering, Nanyang Technological University (Singapore)
The Exchange bias phenomenon and methods to manipulate the bias field in a controlled manner are thrust areas in magnetism due to its sophisticated theoretical concepts as well as advanced technological utility in the field of spintronics. The Exchange bias effect is observed as a result of ferromagnetic-antiferromagnetic (FM-AFM) exchange interaction, usually observed as a loop shift on field cooling below the Neel temperature of AFM. In the present study, we have chosen zinc ferrite which is a well known antiferromagnet, and FeNiMoB based metallic glass as the ferromagnet. The films were prepared by RF sputtering technique. The thickness and composition was obtained by RBS. The magnetic studies using SQUID VSM indicate exchange bias effect in the system. The effect of thermal annealing on exchange bias effect was studied. The observed exchange bias in the zinc ferrite-FeNiMoB system is not due to FM-AFM coupling but due to spin glass-ferromagnetic interaction.
- OSTI ID:
- 22490580
- Journal Information:
- AIP Conference Proceedings, Vol. 1665, Issue 1; Conference: 59. DAE solid state physics symposium 2014, Tamilnadu (India), 16-20 Dec 2014; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ANNEALING
ANTIFERROMAGNETISM
ATOMIC FORCE MICROSCOPY
EXCHANGE INTERACTIONS
FERRITES
FERROMAGNETIC MATERIALS
FERROMAGNETISM
IRON COMPOUNDS
METALLIC GLASSES
MOLYBDENUM BORIDES
NEEL TEMPERATURE
NICKEL COMPOUNDS
RUTHERFORD BACKSCATTERING SPECTROSCOPY
SPIN GLASS STATE
SPUTTERING
SQUID DEVICES
THIN FILMS
VIBRATING SAMPLE MAGNETOMETERS