Phonon confinement and particle size effect on the low-frequency Raman mode of aurivillius phase Bi4Ti3O12 powders
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DOI: 10.1039/d2ra06297f
Abstract: We report the systematic measurements in bismuth titanate powders of Raman frequency shift, ω and full width at half maximum (FWHM), Γ of optical phonons at q = 0 obtained between ∼300 K and 673… read more here.
Keywords: particle size; raman; phonon; size ... See more keywords
Effect of phonon confinement on the thermal conductivity of In0.53Ga0.47As nanofilms
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DOI: 10.1063/1.5030178
Abstract: Over the past few decades, significant progress has been made to manipulate thermal transport in solids. Most of the effort has focused on reducing the phonon mean free path through boundary scattering. Herein, we demonstrate… read more here.
Keywords: in0 53ga0; 47as nanofilms; thick in0; 53ga0 47as ... See more keywords