Computational studies on Mg ion conductivity in Mg2xHf1-x Nb(PO4)3 using neural network potential
Keisuke Makino,
Naoto Tanibata,
Hayami Takeda
et al.
Abstract:Low Mg diffusivity in solid-state oxides is an obstacle for the development of materials for Mg ion batteries, which are expected to have high capacity. In this study, we focused on NASICON-type and β-iron sulfate-type Mg2xHf1-xNb(PO4)3 that exhibit relatively high Mg ionic conductivity and investigated the Hf/Nb configuration and composition dependence of phase stability and ion conductivity by atomistic simulation using neural network potentials. The calculations show that the NASICON-type structure is sligh… Show more
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