2 papers
cond-mat.mtrl-sci2025
Strong acoustic phonon suppression leads to ultralow thermal conductivity and enhanced thermoelectric performance in BaCuGdTe
Jyoti Duhan, Chris Wolverton, Koushik Pal
Excitations and scatterings among the quantized lattice vibrations, i.e., phonons, govern the lattice thermal conductivity () in crystalline solids. Therefore, effective modul…
cond-mat.mtrl-sci2024
Lone Pair Induced 1D Character and Weak Cation-anion Interactions: Two Ingredients for Low Thermal Conductivity in Mixed-anion Metal Chalcohalides
Xingchen Shen, Koushik Pal, Paribesh Acharyya +10
Mixed-anion compounds, which incorporate multiple types of anions into materials, displays tailored crystal structures and physical/chemical properties, garnering immense interests…