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@ARTICLE{Wang:40949,
author = {Wang, H. and Elsebrock, R. and Schneller, T. and Waser, R.
and Yao, X.},
title = {{B}ismuth zinc niobate ({B}i1.5{Z}n{N}b1.5{O}7) ceramics
derived from metallo-organic decomposition precursor
solution},
journal = {Solid state communications},
volume = {132},
issn = {0038-1098},
address = {New York, NY [u.a.]},
publisher = {Elsevier Science},
reportid = {PreJuSER-40949},
pages = {481 - 486},
year = {2004},
note = {Record converted from VDB: 12.11.2012},
abstract = {The preparation, microstructure development and dielectric
properties of Bi1.5ZnNb1.5O7 pyrochlore ceramics by
metalloorganic decomposition (MOD) route are reported.
Homogeneous precalcined ceramic powders of 13-36 nm
crystallite size were obtained at temperatures ranging from
500 to 700degreesC. The thermal decomposition/oxidation of
the gelled precursor solution was chemically analyzed,
TG/DTA, XRD, and SEM, led to the formation of a pure cubic
pyrochlore phase with a stoichiometry close to
Bi1.5ZnNb1.5O7 which begins to form at 500degreesC. The
metallo-organic precursor synthesis method, where Bi, Zn and
Nb ions are chelated to form metal complexes, allows the
control of Bi/Zn/Nb stoichiornetric ratio on a molecular
scale leading to the rapid formation of bismuth zinc niobate
(Bi1.5ZnNb1.5O7) ceramic fine powders with pure pyrochlore
structure. The powders were pressed into pellets and can be
sintered at temperatures as low as 800-1000degreesC. Fine
crystalline ceramics with the grain size in the range of
200-500 nm have been obtained at the sintering temperature
of 800degreesC. The dielectric Properties in high frequency
to microwave range were measured and discussed. (C) 2004
Elsevier Ltd. All rights reserved.},
keywords = {J (WoSType)},
cin = {IFF-IEM},
ddc = {540},
cid = {I:(DE-Juel1)VDB321},
pnm = {Kondensierte Materie},
pid = {G:(DE-Juel1)FUEK242},
shelfmark = {Physics, Condensed Matter},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000224867300011},
doi = {10.1016/j.ssc.2004.07.071},
url = {https://juser.fz-juelich.de/record/40949},
}