3 papers
cond-mat.mtrl-sci2025
The Role of THz Phonons in the Ionic Conduction Mechanism of Polymorphs
Amy K. Lin, Natan A. Spear, Geoffrey A. Blake +1
Superionic conduction in solid-state materials is governed not only by static factors, such as structure and composition, but also by dynamic interactions between the mobile ion an…
cond-mat.mtrl-sci2025
Correlated Terahertz phonon-ion interactions control ion conduction in a solid electrolyte
Kim H. Pham, Kiarash Gordiz, Natan A. Spear +9
Ionic conduction in solids that exceeds 1 mS/cm is predicted to involve coupled phonon-ion interactions in the crystal lattice. Here, we use theory and experiment to measure the po…
cond-mat.mtrl-sci2025
The dynamical role of optical phonons and sub-lattice screening in a solid-state ion conductor
Kim H. Pham, Vijaya Begum-Hudde, Amy K. Lin +6
Solid-state electrolytes (SSEs) require ionic conductivities that are competitive with liquid electrolytes to realize applications in all-solid state batteries. Although numerous m…