Physical insights into the ultralow lattice thermal conductivity and high thermoelectric performance of bulk LiMTe<sub>2</sub> (M = Al, Ga)
Sampad Mandal, Pranab Sarkar
Abstract
Lattice anharmonicity induced ultra-low lattice thermal conductivities, high Seebeck coefficients, and optimum electrical thermal conductivities lead to a high figure of merits in n-type and p-type ternary chalcogenides LiMTe 2 (M = Al, Ga).
Topics & Concepts
Materials scienceAnharmonicityTernary operationThermoelectric effectLattice (music)Condensed matter physicsThermoelectric materialsThermalSeebeck coefficientThermal conductivityElectrical resistivity and conductivityThermodynamicsComposite materialElectrical engineeringPhysicsEngineeringComputer scienceProgramming languageAcousticsAdvanced Thermoelectric Materials and Devices2D Materials and ApplicationsHeusler alloys: electronic and magnetic properties