Inelastic Neutron Scattering in Sendust Alloy in 8-295 K Temperature Range

被引：0
|
作者：
Swiderska, K. [1 ]
Jankowska-Kisielinska, J. [1 ]
Dobrzynski, L. [1 ,2 ]
机构：
[1] Natl Ctr Nucl Res, PL-05400 Otwock, Poland
[2] Cardinal Stefan Wyszynski Univ Warsaw, Fac Math & Nat Sci, PL-01938 Warsaw, Poland
来源：
ACTA PHYSICA POLONICA A | 2012年 / 122卷 / 02期
关键词：
ITINERANT FERROMAGNETS; SPIN-WAVES;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The effects concerning magnetic and nuclear excitations in a single crystal of Sendust alloy (73.5 at.% Fe, 9.5 at.% Al, 17 at.% Si) are discussed. The excitations have been investigated by means of elastic and inelastic neutron scattering with the use of triple axis and small angle spectrometer. A few potential causes of spin wave damping in Sendust, like interactions of excitations or small-size precipitations of different compositions or directions of magnetization were disproved. It is suggested that one- and two-phonon scattering can explain observed strong increase of incoherent inelastic scattering with temperature.
引用
收藏
页码：400 / 404
页数：5
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