Reference : Porosity-induced spin disorder in nanocrystalline inert-gas condensed iron
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/10993/532
Porosity-induced spin disorder in nanocrystalline inert-gas condensed iron
English
Michels, Andreas mailto [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Elmas, M. [> >]
Döbrich, Frank [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Physics and Materials Science Research Unit >]
Ames, M. [> >]
Markmann, J. [> >]
Sharp, M. [> >]
Eckerlebe, H. [> >]
Kohlbrecher, J. [> >]
Birringer, R. [> >]
2009
Europhysics Letters [=EPL]
EDP Sciences
85
470031-470036
Yes (verified by ORBilu)
0295-5075
1286-4854
Les Ulis
France
[en] We report magnetization and magnetic neutron scattering measurements on nanocrystalline Fe which was prepared by means of the inert-gas condensation technique. Depending on the compaction pressure applied during the synthesis procedure (0.5–1.8 GPa), the resulting Fe samples contain porosity with volume fractions between about 20–35%. We provide evidence that the spin disorder which is associated with porosity has a strong influence on magnetic properties, and it gives rise to a characteristic clover-leaf–shaped angular anisotropy in the elastic-magnetic-scattering cross-section.
http://hdl.handle.net/10993/532
10.1209/0295-5075/85/47003

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