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@ARTICLE{Stadler:866412,
author = {Stadler, Daniel and Mueller, David N. and Brede, Thomas and
Duchoň, Tomáš and Fischer, Thomas and Sarkar, Anirban and
Giesen, Margret and Schneider, Claus M. and Volkert, Cynthia
A. and Mathur, Sanjay},
title = {{M}agnetic {F}ield-{A}ssisted {C}hemical {V}apor
{D}eposition of {I}ron {O}xide {T}hin {F}ilms: {I}nfluence
of {F}ield–{M}atter {I}nteractions on {P}hase
{C}omposition and {M}orphology},
journal = {The journal of physical chemistry letters},
volume = {10},
number = {20},
issn = {1948-7185},
address = {Washington, DC},
publisher = {ACS},
reportid = {FZJ-2019-05565},
pages = {6253 - 6259},
year = {2019},
abstract = {Magnetic field-assisted CVD offers a direct pathway to
manipulate the evolution of microstructure, phase
composition, and magnetic properties of the as-prepared
film. We report on the role of applied magnetic fields (0.5
T) during a cold-wall CVD deposition of iron oxide from
[FeIII(OtBu)3]2 leading to higher crystallinity, larger
particulates, and better out-of-plane magnetic anisotropy,
if compared with zero-field depositions. Whereas selective
formation of homogeneous magnetite films was observed for
the field-assisted process, coexistence of hematite and
amorphous iron(III) oxide was confirmed under zero-field
conditions. Comparison of the coercive field (11 vs 60 mT)
indicated lower defect concentration for the field-assisted
process with nearly superparamagnetic behavior. X-ray
photoemission electron microscopy (X-PEEM) in absorption
mode at the O-K and Fe-L3,2 edges confirmed the selective
formation of magnetite (field-assisted) and hematite
(zero-field) with coexisting amorphous phases, respectively,
emphasizing the importance of field–matter interactions in
the phase-selective synthesis of magnetic thin films.},
cin = {PGI-6},
ddc = {530},
cid = {I:(DE-Juel1)PGI-6-20110106},
pnm = {522 - Controlling Spin-Based Phenomena (POF3-522)},
pid = {G:(DE-HGF)POF3-522},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:31500420},
UT = {WOS:000492425100040},
doi = {10.1021/acs.jpclett.9b02381},
url = {https://juser.fz-juelich.de/record/866412},
}