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@ARTICLE{Nonemacher:848259,
author = {Nonemacher, Juliane Franciele and Hüter, Claas and Zheng,
Hao and Malzbender, Jürgen and Krüger, Manja and
Spatschek, Robert and Finsterbusch, Martin},
title = {{M}icrostructure and properties investigation of garnet
structured {L}i7{L}a3{Z}r2{O}12 as electrolyte for
all-solid-state batteries},
journal = {Solid state ionics},
volume = {321},
issn = {0167-2738},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2018-03521},
pages = {126 - 134},
year = {2018},
abstract = {Garnet structured Li7La3Zr2O12 is investigated in its pure,
tetragonal phase and its stabilized cubic phase by
substitution with different amounts of Ta and Al. The effect
of substitution and sintering conditions on phase
composition, microstructure, electrical properties and, as
main focus, the mechanical properties are investigated.
Sintering is carried out in air and argon atmosphere at
temperatures of 1150 and 1200 °C. The Ta substitution
ranges up to $60\%$ and the Al substitution up to $36\%$ to
obtain fully cubic samples. The mechanical properties were
assessed via depth-sensitive indentation testing and
interpreted in terms of properties of the material and
effective properties of the porous specimens. Complementary,
ab initio calculations were performed to determine the
structural and mechanical properties. The study verifies the
strong dependency of the ionic conductivity on substitution,
phase composition and materials density. Overall, the effect
of substitution and phase composition can be mostly seen in
changes in the intrinsic materials properties, whereas the
effects of sintering conditions and porosity can mostly be
seen in the change in effective mechanical properties.},
cin = {IEK-2 / IEK-1 / JARA-HPC},
ddc = {530},
cid = {I:(DE-Juel1)IEK-2-20101013 / I:(DE-Juel1)IEK-1-20101013 /
$I:(DE-82)080012_20140620$},
pnm = {111 - Efficient and Flexible Power Plants (POF3-111) / Ab
initio modelling of electrode materials for sodium ion
batteries $(jiek27_20161101)$ / 1221 - Fundamentals and
Materials (POF4-122)},
pid = {G:(DE-HGF)POF3-111 / $G:(DE-Juel1)jiek27_20161101$ /
G:(DE-HGF)POF4-1221},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000437372200019},
doi = {10.1016/j.ssi.2018.04.016},
url = {https://juser.fz-juelich.de/record/848259},
}