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Phonon frequency comb close to an isolated Einstein mode in [Formula: see text]. [PDF]
Sci RepBelojica T +12 more
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Time-resolved tracking of hot carrier relaxation in two types of MBenes. [PDF]
Chem SciZhao J +9 more
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Unravelling the intrinsic thermal conduction mechanism through phonon transport pathway engineering of long-range ordered block copolymers. [PDF]
Chem SciZhang K, Zhang J, An J, Gu J.
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Nature Materials, 2023
Colloidal nanocrystals are successfully used as nanoscale building blocks for creating hierarchical solids with structures that range from amorphous networks to sophisticated periodic superlattices. Recently, it has been observed that these superlattices exhibit collective vibrations, which stem from the correlated motion of the nanocrystals, with ...
Maximilian Jansen +2 more
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Colloidal nanocrystals are successfully used as nanoscale building blocks for creating hierarchical solids with structures that range from amorphous networks to sophisticated periodic superlattices. Recently, it has been observed that these superlattices exhibit collective vibrations, which stem from the correlated motion of the nanocrystals, with ...
Maximilian Jansen +2 more
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International Journal of Heat and Mass Transfer
Recent studies suggest that the phonon-phonon couplings in the near-interface region may affect interfacial thermal transport. In this paper, we revisit the interfacial thermal transport considering phonon-phonon couplings across the interface and in the near-interface region.
Yixin Xu +2 more
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Recent studies suggest that the phonon-phonon couplings in the near-interface region may affect interfacial thermal transport. In this paper, we revisit the interfacial thermal transport considering phonon-phonon couplings across the interface and in the near-interface region.
Yixin Xu +2 more
exaly +3 more sources
Resonance in Phonon-Phonon Scattering
Physical Review, 1962The scattering process, two phonons \ensuremath{\rightarrow} two phonons, is examined in perturbation theory. One of the contributions of second order in the cubic anharmonic potential gives rise to an energy denominator that can vanish. This difficulty is removed by noting that the intermediate phonon has a complex self-energy associated with its ...
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