Approaching the minimum lattice thermal conductivity in TiCoSb half-Heusler alloys by intensified point-defect phonon scattering
Ajay Kumar Verma, Shamma Jain, Kishor Kumar Johari, Christophe Candolfi, B. Lenoir, Sumeet Walia, Sanjay R. Dhakate, Bhasker Gahtori
Abstract
Enhanced point defect phonons scattering through huge isovalent substitution substantially reduces the lattice thermal conductivity of half-Heusler alloys.
Topics & Concepts
Condensed matter physicsPhononThermal conductivityPhonon scatteringMaterials scienceScatteringLattice (music)Crystallographic defectPhysicsQuantum mechanicsComposite materialAcousticsAdvanced Thermoelectric Materials and DevicesThermal properties of materialsHeusler alloys: electronic and magnetic properties