Atomic scale understanding of magnetic properties in Ni{sub 50}Fe{sub 35}Co{sub 15}
- Materials Science Group, Indira Gandhi Centre for Atomic Research, Kalpakkam – 603102 (India)
- Materials Technology Division, Indira Gandhi Centre for Atomic Research, Kalpakkam – 603102 (India)
Mössbauer spectroscopic studies have been carried out at different temperatures across ferromagnetic to paramagnetic transition in Ni{sub 50}Fe{sub 35}Co{sub 15} and the evolution of hyperfine parameters such as centre shift and magnetic hyperfine fields with temperature has been studied. Mössbauer spectrum obtained at 300 K in Ni{sub 50}Fe{sub 35}Co{sub 15} exhibiting fcc crystal structure is a six line pattern with the mean value of the hyperfine field close to 33 Tesla. Ferromagnetic to paramagnetic transition has been observed to occur in this system around 895 K matching with that of magnetization results. Debye temperature of this nickel rich alloy is deduced to be around 470 K matching with that of Ni. Effect of prolonged annealing at 750 K on the magnetic property is also investigated with respect to the thermal stability of the alloy.
- OSTI ID:
- 22492426
- Journal Information:
- AIP Advances, Vol. 6, Issue 2; Other Information: (c) 2016 Author(s); Country of input: International Atomic Energy Agency (IAEA); ISSN 2158-3226
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ABSORPTION SPECTROSCOPY
ANNEALING
COBALT ALLOYS
DEBYE TEMPERATURE
FCC LATTICES
FERROMAGNETIC MATERIALS
FERROMAGNETISM
HYPERFINE STRUCTURE
IRON ALLOYS
MAGNETIC PROPERTIES
MAGNETIZATION
MOESSBAUER EFFECT
NICKEL BASE ALLOYS
PARAMAGNETISM
PHASE TRANSFORMATIONS
TEMPERATURE DEPENDENCE