Structural influence on the magnetic and electronic properties of annealed Fe/Al multilayers.
Temperature dependent magnetic and electronic properties of electron beam evaporated Fe/Al multilayer samples (MLS) with an average composition of Fe0.70A1(0.30) (MLS-A) and Fe0.50Al0.50 (MLS-B) have been investigated. A ferromagnetic behaviour in MLS-A and nonmagnetic behaviour in MLS-B is obtained after annealing the multilayers at 400 degrees C. The different magnetic behaviours can be interpreted in terms of constant increase of Fe-3d and Al-3sp hybridization accompanied by an increased de-localization of the d-electrons participating in the strong bonding of Fe with Al leading to formation of different Fe-Al phases (Fe3Al in MLS-A) and (FeAl in MLS-B) as suggested from valence band photoemission and X-ray diffraction measurements.
Brajpuriya
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R
University Grant Commission-Department of Atomic Energy Consortium for Scientific research, University Campus, Indore 452017, India.
Tripathi
S
S
Sharma
A
A
Chaudhari
S M
SM
Shripathi
T
T