Correlated terahertz phonon-ion interactions control ion conduction in a solid electrolyte

Key Points

• To explore the role of phonon-ion interactions in enhancing ionic conduction in solid electrolytes.
• Utilized theoretical models and experimental approaches to analyze phonon-ion interactions.
• Measured ionic conduction rates in solid electrolytes under varying conditions.
• Evaluated the correlation between phonon vibrations and ionic movement in the crystal lattice.
• Ionic conduction rates exceeded 1 mS/cm under specific phonon-ion interaction conditions.
• Experimental data confirmed theoretical predictions on the enhancement of ionic conduction through coupled interactions.