Investigation of the structural influence on the ionic conductivity of iodide argyrodite Li6+xP1-xSnxCh5I
The introduction of group IV-element (M = Si/Ge) has been shown to increase the ionic conductivity of Li6P1-xMxS5I by orders of magnitude. However, the Sn-substituted Li6PS5I does not show any significant change in conductivity due to the limited solubility of Sn in the structure. In order to probe the impact of Sn-substitution on the Li-substructure and the associated conductivity, we aim to study the relationship between the structural changes and the ionic conductivity of Li6+xP1-xSnxCh5I (Ch = S, Se) solid solutions. For this, we plan neutron diffraction experiments on Sn- substituted Li6+xP1-xSnxCh5I (Ch = S, Se) solid solutions, which will shed light on the Li-distribution and elucidate the structure-property relationships in this system.
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ZEIER Wolfgang; BANIK Ananya; GAUTAM Ajay; OHNO Saneyuki; ROSENBACH Carolin and SUARD Emmanuelle. (2020). Investigation of the structural influence on the ionic conductivity of iodide argyrodite Li6+xP1-xSnxCh5I. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.5-23-739
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