Lower limit to the lattice thermal conductivity of nanostructured Bi2Te3-based materials
作者： Catalin Chiritescu , Clay Mortensen , David G. Cahill , David Johnson , Paul Zschack
DOI: 10.1063/1.3226884
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摘要: We investigate the lower limit to lattice thermal conductivity of Bi2Te3 and related materials using thin films synthesized by method elemental reactants. The conductivities single layer (Bi0.5Sb0.5)2Te3 multilayer (Bi2Te3)m(TiTe2)n [(BixSb1−x)2Te3]m(TiTe2)n are measured time-domain thermoreflectance; data compared our prior work on nanocrystalline a Debye–Callaway model heat transport acoustic phonons. homogeneous have average grain sizes 30
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