Influence of external compressive stress on the ionic conductivity of melt-quenched lithium silicate (15Li(2)O-85SiO(2)) glass
authors Graczyk-Zajac, M; Vrankovic, D; Schader, FH; Fernandes, HR; Tulyaganov, DU
nationality International
journal SOLID STATE IONICS
author keywords Ionic conductivity; Compressive stress; Amorphous 15Li(2)O-85SiO(2)
keywords MECHANOCHEMICAL SYNTHESIS; LI CONDUCTIVITY; SYSTEM; PRESSURE; CRYSTALLIZATION; LI2O-SIO2; BATTERIES
abstract This paper reports measurements of the electrical resistances of bulk and milled amorphous lithium silicate (15Li(2)O-85SiO(2)) under uniaxial load at 200 degrees C. With imposed load up to 700 MPa, the resistance of the melt quenched glass increases from 1.56 to 1.95 M Omega cm. This change is reversible, namely after releasing the load the initial electrical resistance is recovered. Milled and compacted glass consists of the bulk and particle contacts resistances. Both of them increase when the external compression up to 200 MPa. For the bulk element, when compression is released, the initial resistance is recovered, whereas the resistance changes within the particles contacts are irreversible. (C) 2016 Elsevier B.V. All rights reserved.
publisher ELSEVIER SCIENCE BV
issn 0167-2738
isbn 1872-7689
year published 2017
volume 302
beginning page 61
ending page 65
digital object identifier (doi) 10.1016/j.ssi.2016.11.024
web of science category Chemistry, Physical; Physics, Condensed Matter
subject category Chemistry; Physics
unique article identifier WOS:000397688300013
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journal impact factor (jcr 2016): 2.354
5 year journal impact factor (jcr 2016): 2.438
category normalized journal impact factor percentile (jcr 2016): 54.133
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