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1993 | 83 | 6 | 785-791
Article title

Spin-Wave Excitations and Fluctuations of the Exchange Interaction in Amorphous Fe_{1-x}Zr_{x} Alloys

Content
Title variants
Languages of publication
EN
Abstracts
EN
Detailed magnetization measurements were performed on amorphous Fe_{1-x}Zr_{x} alloys with 0.14 ≤ x ≤ 0.48 at temperatures ranging from 4.2 K to the Curie temperature in external magnetic field up to 5 T. An analysis of the experimental data reveals that' the fluctuations of the exchange integral resulting from the structural disorder give important contribution to the thermal demagnetization and high-field susceptibility of Fe-rich alloys. For Zr-rich alloys the effect of fluctuations of the exchange integral is negligible and thermal demagnetization is described in terms of spin-wave excitations. No Stoner single-particle excitations were observed for alloys with x > 0.14.
Keywords
EN
Year
Volume
83
Issue
6
Pages
785-791
Physical description
Dates
published
1993-06
received
1992-09-18
(unknown)
1993-02-26
References
Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv83z607kz
Identifiers
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