NDLI: Spin wave stiffness constant on the amorphous and nanocrystalline state of Fe/sub 76/Cu/sub 1/Nb/sub 3/Si/sub 14/B/sub 6/ alloys

Content Provider	IEEE Xplore Digital Library
Author	Seong-Cho Yu Henryk Kepa Won-Tae Kim Zeiske, T. Weiss, L.
Copyright Year	1965
Abstract	We report here on the effect of annealing temperatures on the spin wave excitations for the amorphous and nanocrystalline state of Fe/sub 76/Cu/sub 1/Nb/sub 3/Si/sub 14/B/sub 6/ alloys, observed from the low temperature magnetization curves and the spectroscopic splitting g factors. The temperature dependence of saturation magnetization was measured with a vibrating sample magnetometer and the SQUID magnetometer. Spectroscopic splitting g-values were estimated from ferromagnetic resonance experiments (FMR). The thermo-magnetization curve is found to obey Bloch's law, M/sub s/(T)=M/sub s/(0)(1-BT/sup 3/2/-CT/sup 5/2/). The spin wave stiffness constants were also observed from the preliminary results of the neutron inelastic scattering measurements. The spin wave stiffness constants obtained from two different experimental methods on the Fe/sub 76/Cu/sub 1/Nb/sub 3/Si/sub 14/B/sub 6/ alloys agree fairly well.
Sponsorship	IEEE Magnetics Society
Starting Page	3889
Ending Page	3891
Page Count	3
File Size	337869
File Format	PDF
ISSN	00189464
Volume Number	31
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Amorphous materials Temperature Niobium alloys Copper alloys Iron alloys Silicon alloys Spectroscopy SQUID magnetometers Magnetic resonance Annealing
Content Type	Text
Resource Type	Article
Subject	Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

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