The relation between the atomic mass ratio and quartic anharmonicity in alkali metal hydrides
Minxuan Feng, Xiaoying Wang, Guimei Zhu, Cheng He, Jun Sun, Xiangdong Ding, Junichiro Shiomi, Yi Xia, Baowen Li, Zhibin Gao
Topics & Concepts
AnharmonicityPhononAtomic massMaterials sciencePhonon scatteringCondensed matter physicsEffective mass (spring–mass system)ScatteringMass ratioAlkali metalPerovskite (structure)SemiconductorQuartic functionThermoelectric materialsThermal conductivityAtomic physicsPhysicsChemistryCrystallographyQuantum mechanicsComposite materialOptoelectronicsAstrophysicsMathematicsPure mathematicsThermal Expansion and Ionic ConductivityThermal properties of materialsAdvanced Thermoelectric Materials and Devices