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@ARTICLE{Kao:809770,
author = {Kao, Yu-Ju and Su, Che-Yi and Pithan, Christian and
Hennings, Detlev and Huang, Chi-Yuen and Waser, R.},
title = {{H}ydroxyl {D}efect {E}ffect on {R}eoxidation of
{S}c-{D}oped ({B}a,{C}a)({T}i,{Z}r){O} 3 {F}ired in
{R}educing {A}tmospheres},
journal = {Journal of the American Ceramic Society},
volume = {99},
number = {4},
issn = {0002-7820},
address = {Oxford [u.a.]},
publisher = {Wiley-Blackwell},
reportid = {FZJ-2016-02697},
pages = {1311 - 1317},
year = {2016},
abstract = {The behavior of grain and grain-boundary conductivity of
acceptor (Sc)-doped (Ba,Ca)(Ti,Zr)O3 ceramics sintered in
moist reducing atmosphere and subsequently reoxidized in dry
and moist atmosphere was investigated by means of impedance
spectroscopy (IS). In moist firing atmosphere, water vapor
was found to react with oxygen vacancies, forming positively
charged hydroxyl defects inline image on regular oxygen
sites in the crystal lattice. Proton hopping is considered
to raise the ionic conductivity significantly. Therefore,
hydroxyl defects inline image in turn influence the grain
conduction. Hydroxyl defects inline image are also
considered to be responsible for alternations of the
dielectric maximum at the Curie point.},
cin = {PGI-7},
ddc = {660},
cid = {I:(DE-Juel1)PGI-7-20110106},
pnm = {524 - Controlling Collective States (POF3-524)},
pid = {G:(DE-HGF)POF3-524},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000373931900032},
doi = {10.1111/jace.14092},
url = {https://juser.fz-juelich.de/record/809770},
}