Phonon coherence and its effect on thermal conductivity of nanostructures

G Xie, D Ding, G Zhang - Advances in Physics: X, 2018 - Taylor & Francis
The concept of coherence is one of the fundamental phenomena in electronics and optics. In
addition to electron and photon, phonon is another important energy and information carrier …

Controlling light, heat, and vibrations in plasmonics and phononics

J Cunha, TL Guo, G Della Valle… - Advanced Optical …, 2020 - Wiley Online Library
Plasmonic nanostructures have attracted considerable attention for their ability to couple
with light and provide strong electromagnetic energy confinement at subwavelength …

Thermal conductivity and air-mediated losses in periodic porous silicon membranes at high temperatures

B Graczykowski, A El Sachat, JS Reparaz… - Nature …, 2017 - nature.com
Heat conduction in silicon can be effectively engineered by means of sub-micrometre
porous thin free-standing membranes. Tunable thermal properties make these structures …

Aluminium nanopillars reduce thermal conductivity of silicon nanobeams

R Anufriev, R Yanagisawa, M Nomura - Nanoscale, 2017 - pubs.rsc.org
In search of efficient thermoelectric nanostructures, many theoretical works predicted that
nanopillars, placed on the surface of silicon membranes, nanobeams, or nanowires, can …

Ballistic thermal transport in silicon nanowires

J Maire, R Anufriev, M Nomura - Scientific Reports, 2017 - nature.com
We have experimentally investigated the impact of dimensions and temperature on the
thermal conductivity of silicon nanowires fabricated using a top-down approach. Both the …

Ballistic phonon penetration depth in amorphous silicon dioxide

L Yang, Q Zhang, Z Cui, M Gerboth, Y Zhao, TT Xu… - Nano …, 2017 - ACS Publications
Thermal transport in amorphous silicon dioxide (a-SiO2) is traditionally treated as random
walks of vibrations owing to its greatly disordered structure, which results in a mean free …

Interfacial heat transport across multilayer nanofilms in ballistic–diffusive regime

H Belmabrouk, H Rezgui, F Nasri, MFB Aissa… - The European Physical …, 2020 - Springer
In recent years, investigations of nanoscale heat transfer have been regarded as a critical
challenge for thermal engineering applications. Therefore, improving the thermal conduction …

A review of thermal transport in low-dimensional materials under external perturbation: effect of strain, substrate, and clustering

C Shao, X Yu, N Yang, Y Yue, H Bao - Nanoscale and Microscale …, 2017 - Taylor & Francis
Due to their exceptional electrical, thermal, and optical properties, low-dimensional (LD)
materials are very promising for many applications, such as nanoelectronic devices, energy …

Strong anharmonic phonon scattering induced giant reduction of thermal conductivity in PbTe nanotwin boundary

Y Zhou, JY Yang, L Cheng, M Hu - Physical Review B, 2018 - APS
Lead telluride (PbTe) is a renowned thermoelectric material with high energy conversion
efficiency in medium to high temperature range. However, the performance of PbTe at room …

Quadrupole modelling of dual lock-in method for the simultaneous measurements of thermal diffusivity and thermal effusivity

M Ryu, JC Batsale, J Morikawa - International Journal of Heat and Mass …, 2020 - Elsevier
The simultaneous measurement of thermal diffusivity and thermal effusivity based on the
temperature wave analysis (TWA) is proposed by introducing the dual lock-in temperature …