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Strain-Induced Ferromagnetism in Fe-40Al Single Crystals

Published online by Cambridge University Press:  21 March 2011

D. Wu  and
I. Baker
D. Wu
Affiliation:
Thayer School of Engineering, Dartmouth College, Hanover, NH 03755–8000, U.S.A.
I. Baker
Affiliation:
Thayer School of Engineering, Dartmouth College, Hanover, NH 03755–8000, U.S.A.
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Abstract

Recent research [1–3] suggests that strain-induced ferromagnetism in lightly-strained FeAl arises chiefly from anti-phase boundary tubes. Magnetic and calorimetric measurements have been performed on two different orientations of B2-structured Fe-40Al single crystals that had been cold rolled to a variety of strains. The saturation magnetization and magnetic susceptibility are related to the enthalpy associated with the annealing out of antiphase boundary tubes and, hence, to the degree of deformation and crystal orientation.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 646 , 2000 , N3.2.1
Copyright
Copyright © Materials Research Society 2001

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