Reference : Porosity-induced spin disorder in nanocrystalline inert-gas condensed iron

	Document type :	Scientific journals : Article
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Physics
	To cite this reference:	http://hdl.handle.net/10993/532

Title :	Porosity-induced spin disorder in nanocrystalline inert-gas condensed iron
Language :	English
Author, co-author :	Michels, Andreas [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. [> >]
Publication date :	2009
Journal title :	Europhysics Letters
Publisher :	EDP Sciences
Volume :	85
Pages :	470031-470036
Peer reviewed :	Yes (verified by ORBilu)
ISSN :	0295-5075
e-ISSN :	1286-4854
City :	Les Ulis
Country :	France
Abstract :	[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.
Permalink :	http://hdl.handle.net/10993/532
DOI :	10.1209/0295-5075/85/47003

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