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@ARTICLE{Elsebrock:40847,
author = {Elsebrock, R. and Makovicka, C. and Meuffels, P. and Waser,
R.},
title = {{P}reparation and characterization of high density, high
purity lanthanum aluminate bulk ceramics},
journal = {Journal of electroceramics},
volume = {10},
issn = {1385-3449},
address = {Dordrecht [u.a.]},
publisher = {Springer Science + Business Media B.V},
reportid = {PreJuSER-40847},
pages = {193 - 202},
year = {2003},
note = {Record converted from VDB: 12.11.2012},
abstract = {In this work some methods for preparation of lanthanum
aluminate bulk ceramics were compared. High purity lanthanum
aluminate LaAlO3 (LAO) ceramic samples of high density
$(>94\%)$ were prepared via three different routes and the
morphology, chemical and electrical properties of the
samples were investigated. For high purity samples a sol-gel
route A. Douy and P. Odier [1] and a thermal nitrate
decomposition route Shaji Kumar et al. [2] were introduced
to reduce unintentional doping by the preparation process to
a minimum. As a standard route the mixed oxide process was
chosen. In sol-gel and nitrate decomposition procedures the
formation temperature of LaAlO3 from its oxides was lowered
by using reactive gamma-alumina from the pyrolysis of
initial aluminium nitrate instead of commonly used
alpha-alumina (corundum) in the mixed oxide process. No
commercial gamma-alumina of sufficient purity is
known.Differences in the electrical behaviour of the samples
were measured, indicating some correlations between the
samples' different morphology, purity and its' preparation
parameters.},
keywords = {J (WoSType)},
cin = {IFF-IEM},
ddc = {620},
cid = {I:(DE-Juel1)VDB321},
pnm = {Kondensierte Materie},
pid = {G:(DE-Juel1)FUEK242},
shelfmark = {Materials Science, Ceramics},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000187928000005},
doi = {10.1023/B:JECR.0000011217.93927.1a},
url = {https://juser.fz-juelich.de/record/40847},
}