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@ARTICLE{Schober:50725,
author = {Schober, T.},
title = {{P}hase diagrams in the proton conductor systems
{S}r6{T}a2{O}22 x n{H}2{O} and {S}r5.92{T}a2.08{O}11.12 x n
{H}2{O}},
journal = {Solid state ionics},
volume = {177},
issn = {0167-2738},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {PreJuSER-50725},
pages = {471},
year = {2006},
note = {Record converted from VDB: 12.11.2012},
abstract = {The systems Sr6Ta2O11-H2O and Sr5.92Ta2.08O11.12-H2O were
investigated. At high temperatures, both compounds are
normal proton conductors but at lower temperatures show the
formation of hydrate phases (here labelled p-phases). The
latter are deleterious if the above compounds were to be
used in fuel cells, sensors and pumping devices. The phase
diagrams of the 2 systems were determined using
thermo-ravimetry. The solubilities of water vapor in the
a-phases were measured. Considering 2-phase mixtures of a
and, the plateau vapor pressures were determined as well as
the pertinent thermodynamic parameters. The ot alpha
->alpha+beta solvus was also investigated. The present study
complements recent work [I. Animitsa, A. Nieman, A.
Sharafutdinov, S. Nochrin, Solid State Ionics 136-137 (2000)
265; I. Animitsa, A. Nieman, S. Titova.. N. Kochetova, E.
Isaeva, A. Sharafutdinov, N. Timofeeva, Ph. Colomban, Solid
State Ionics 156 (2003) 95]. (c) 2005 Elsevier B.V. All
rights reserved.},
keywords = {J (WoSType)},
cin = {IFF-IEM},
ddc = {530},
cid = {I:(DE-Juel1)VDB321},
pnm = {Kondensierte Materie},
pid = {G:(DE-Juel1)FUEK414},
shelfmark = {Chemistry, Physical / Physics, Condensed Matter},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000236301000006},
doi = {10.1016/j.ssi.2005.11.010},
url = {https://juser.fz-juelich.de/record/50725},
}