Journal
CHEMISTRY OF MATERIALS
Volume 31, Issue 10, Pages 3694-3699Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.9b00420
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Funding
- Japan Society for the Promotion of Science (JSPS) [17H06145]
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Single crystals of the lithium-ion conductor Li10GeP2S12 have been successfully grown by the self-flux method and are studied by means of X-ray diffraction and impedance spectroscopy. The weak anisotropic ionic conductivity is observed to be 27 and 7 mS cm(-1) in the [001] and [110] directions, respectively, at room temperature. Markedly, however, the activation energies are nearly equal, approximately 0.3 eV, in the two directions, which means that common diffusion paths along [110] dominate the long-range diffusion in Li10GeP2S12.
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