Fast Na diffusion and anharmonic phonon dynamics in superionic Na<sub>3</sub>PS<sub>4</sub>
Mayanak K. Gupta, Jingxuan Ding, Naresh C. Osti, D. L. Abernathy, William Arnold, Hui Wang, Zachary D. Hood, Olivier Delaire
Abstract
Strongly anharmonic low-energy phonons enable the fast diffusion of Na ions in the solid-state electrolyte compound Na 3 PS 4 .
Topics & Concepts
AnharmonicityPhononDiffusionIonFast ion conductorElectrolyteCondensed matter physicsMaterials scienceChemical physicsChemistryPhysicsPhysical chemistryThermodynamicsElectrodeOrganic chemistrySolid-state spectroscopy and crystallographyThermal Expansion and Ionic ConductivityAdvanced Battery Materials and Technologies