Single line circularly polarised source for Mossbauer spectroscopy

被引:42
作者
Szymanski, K [1 ]
Dobrzynski, L [1 ]
Prus, B [1 ]
Cooper, MJ [1 ]
机构
[1] UNIV WARWICK,DEPT PHYS,COVENTRY CV4 7AL,W MIDLANDS,ENGLAND
关键词
D O I
10.1016/0168-583X(96)00336-9
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
A single line circularly polarised source with a degree of polarisation equal to (80+/-2)% was constructed. The source can be used as an extremely useful tool for a quick, unique and simple determination of the sign of hyperfine field. Test measurements on alpha-Fe demonstrate that the sign of hyperfine magnetic field follows changes of the sign of an external magnetizing field. The hyperfine magnetic field observed in HoFe2 in which Fe magnetic moments are oriented antiparallel to the total magnetisation, is shown. The excellent performance of the source opens up new possibilities of studying materials with inhomogeneous magnetisation distribution.
引用
收藏
页码:438 / 441
页数:4
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