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@ARTICLE{Kovacs:894887,
author = {Kovacs, Andras and Lewis, Laura H. and Palanisamy,
Dhanalaksmi and Denneulin, Thibaud and Schwedt, Alexander
and Scott, Edward R. D. and Gault, Baptiste and Raabe, Dierk
and Dunin-Borkowski, Rafal and Charilaou, Michalis},
title = {{D}iscovery and implications of hidden atomic-scale
structure in a metallic meteorite},
journal = {Nano letters},
volume = {21},
number = {19},
issn = {1530-6984},
address = {Washington, DC},
publisher = {ACS Publ.},
reportid = {FZJ-2021-03453},
pages = {8135–8142},
year = {2021},
abstract = {Iron and its alloys have made modern civilization possible,
with metallic meteorites providing one of the human’s
earliest sources of usable iron as well as providing a
window into our solar system’s billion-year history. Here
highest-resolution tools reveal the existence of a
previously hidden FeNi nanophase within the extremely slowly
cooled metallic meteorite NWA 6259. This new nanophase
exists alongside Ni-poor and Ni-rich nanoprecipitates within
a matrix of tetrataenite, the uniaxial, chemically ordered
form of FeNi. The ferromagnetic nature of the
nanoprecipitates combined with the antiferromagnetic
character of the FeNi nanophases gives rise to a complex
magnetic state that evolves dramatically with temperature.
These observations extend and possibly alter our
understanding of celestial metallurgy, provide new knowledge
concerning the archetypal Fe–Ni phase diagram and supply
new information for the development of new types of
sustainable, technologically critical high-energy magnets.},
cin = {ER-C-1},
ddc = {660},
cid = {I:(DE-Juel1)ER-C-1-20170209},
pnm = {5351 - Platform for Correlative, In Situ and Operando
Characterization (POF4-535) / 3D MAGiC - Three-dimensional
magnetization textures: Discovery and control on the
nanoscale (856538) / ESTEEM3 - Enabling Science and
Technology through European Electron Microscopy (823717) /
DFG project 405553726 - TRR 270: Hysterese-Design
magnetischer Materialien für effiziente Energieumwandlung
(405553726)},
pid = {G:(DE-HGF)POF4-5351 / G:(EU-Grant)856538 /
G:(EU-Grant)823717 / G:(GEPRIS)405553726},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:34529916},
UT = {WOS:000709549100030},
doi = {10.1021/acs.nanolett.1c02573},
url = {https://juser.fz-juelich.de/record/894887},
}