NDLI: Dynamics of the Magnetic Susceptibility of Fe<formula formulatype=inline><tex Notation=TeX>$_{x}$</tex></formula>Al<formula formulatype=inline><tex Notation=TeX>$_{100 - {rm x}} ({rm x} = 70, 71)$</tex></formula> Alloys

Content Provider	IEEE Xplore Digital Library
Author	Venero, D.A. Garcia, R.R. Barquin, L.F. Apianiz, E. Garitaonandia, J.S. Plazaola, F.
Copyright Year	1965
Abstract	The magnetic dynamics of Fe₇₁ Al₂₉(x = 71) and Fe₇₀ Al₃₀(x = 70) are analyzed. The alloys have been prepared by milling and further annealing. AC-susceptibility has been measured from 5 K to 300 K at several frequencies between 100 and 10 kHz with an alternating field of 0.1 Oe. In x = 70, additional susceptibility data fixing the frequency to 500 Hz and varying the field between 0.1 les h les 10 Oe were obtained. The results display real components similar to those reported in DC-magnetization, with two transitions in x = 70 and a single transition in x = 71. The complex component is much more clear with a well-defined peak for the low temperature transition ascribed to a spin freezing. The frequency variation gives 0.078(5) in x = 70 and critical zv = 7.2(5) and 0.066(9) and zv = 9.8(5) for x = 71, related to a cluster glass behavior. However the parameter beta ap 1 for both alloys which is high in the framework of a conventional slowing down. This is related to the clustered nature of the magnetic structure lacking of defined interfaces.
Sponsorship	IEEE Magnetics Society
Starting Page	3883
Ending Page	3886
Page Count	4
File Size	382275
File Format	PDF
ISSN	00189464
Volume Number	44
Issue Number	11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Magnetic susceptibility Iron Magnetic analysis Milling Annealing Frequency measurement Magnetic field measurement Displays Temperature Glass spin-glass AC-susceptibility intermetallics magnetic relaxation
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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