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@ARTICLE{zdogan:59383,
author = {Özdogan, K. and Galanakis, I. and Sasioglu, E. and Aktas,
B.},
title = {{D}efects-driven appearance of half-metallic ferrimagnetism
in {C}o–{M}n-based {H}eusler alloys},
journal = {Solid state communications},
volume = {142},
issn = {0038-1098},
address = {New York, NY [u.a.]},
publisher = {Elsevier Science},
reportid = {PreJuSER-59383},
pages = {492 - 497},
year = {2007},
note = {Record converted from VDB: 12.11.2012},
abstract = {Half-metallic ferromagnetic full-Heusler alloys containing
Co and Mn, having the formula CO(2)MnZ where Z is a sp
element, are among the most studied Heusler alloys due to
their stable ferromagnetism and the high Curie temperatures
which they present. Using state-of-the-art electronic
structure calculations we show that when Mn atoms migrate to
sites occupied in the perfect alloys by Co, these Mn atoms
have spin moments antiparallel to the other transition metal
atoms. The ferrimagnetic compounds, which result from this
procedure, keep the half-metallic character of the parent
compounds and the large exchange-splitting of the Mn
impurities atoms only marginally affects the width of the
gap in the minority-spin band. The case of [Co1-xMnx](2)MnSi
is of particular interest since Mn3Si is known to
crystallize in the Heusler L2(1) lattice structure of
CO(2)MnZ compounds. Robust half-metallic ferrimagnets are
highly desirable for realistic applications since they lead
to smaller energy losses due to the lower external magnetic
fields created with respect to their ferromagnetic
counterparts. (c) 2007 Elsevier Ltd. All rights reserved.},
keywords = {J (WoSType)},
cin = {IFF-1},
ddc = {540},
cid = {I:(DE-Juel1)VDB781},
pnm = {Kondensierte Materie},
pid = {G:(DE-Juel1)FUEK414},
shelfmark = {Physics, Condensed Matter},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000246816000003},
doi = {10.1016/j.ssc.2007.04.013},
url = {https://juser.fz-juelich.de/record/59383},
}