Uniaxial tensile strain monotonically suppresses the lattice thermal conductivity of cubic boron arsenide by up to about 80%, driven by phonon degeneracy lifting and stronger three- and four-phonon scattering.
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Symmetry-breaking strain drives significant reduction in lattice thermal conductivity: A case study of boron arsenide
Uniaxial tensile strain monotonically suppresses the lattice thermal conductivity of cubic boron arsenide by up to about 80%, driven by phonon degeneracy lifting and stronger three- and four-phonon scattering.