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@ARTICLE{Kovacs:152036,
author = {Kovacs, Andras and Ney, A. and Duchamp, Martial and Ney, V.
and Boothroyd, Christopher Brian and Galindo, P. L. and
Kaspar, T. C. and Chambers, S. A. and Dunin-Borkowski,
Rafal},
title = {{D}efects in paramagnetic {C}o-doped {Z}n{O} films studied
by {T}ransmission electron microscopy},
journal = {Journal of applied physics},
volume = {114},
issn = {0021-8979},
address = {Melville, NY},
publisher = {American Institute of Physics},
reportid = {FZJ-2014-01856},
pages = {243503},
year = {2013},
abstract = {We study planar defects in epitaxial Co:ZnO dilute magnetic
semiconductor thin films deposited on c-plane sapphire
(Al2O3), as well as the Co:ZnO/Al2O3 interface, using
aberration-corrected transmission electron microscopy and
electron energy-loss spectroscopy. Co:ZnO samples that were
deposited using pulsed laser deposition and reactive
magnetron sputtering are both found to contain extrinsic
stacking faults, incoherent interface structures, and
compositional variations within the first 3–4 Co:ZnO
layers next to the Al2O3 substrate. The stacking fault
density is in the range of 1017 cm−3. We also measure
the local lattice distortions around the stacking faults. It
is shown that despite the relatively high density of planar
defects, lattice distortions, and small compositional
variation, the Co:ZnO films retain paramagnetic properties.},
cin = {PGI-5},
ddc = {530},
cid = {I:(DE-Juel1)PGI-5-20110106},
pnm = {424 - Exploratory materials and phenomena (POF2-424)},
pid = {G:(DE-HGF)POF2-424},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000329173200011},
doi = {10.1063/1.4851015},
url = {https://juser.fz-juelich.de/record/152036},
}