Review of experimental approaches for improving zT of thermoelectric materials

Z Ma, J Wei, P Song, M Zhang, L Yang, J Ma… - Materials Science in …, 2021 - Elsevier
In the past years, various work has been devoted to improving the thermoelectric figure of
merit zT, and remarkable advances have been achieved. In 2019, an abnormal zT value …

Machine learning aided design and optimization of thermal metamaterials

C Zhu, EA Bamidele, X Shen, G Zhu, B Li - Chemical Reviews, 2024 - ACS Publications
Artificial Intelligence (AI) has advanced material research that were previously intractable,
for example, the machine learning (ML) has been able to predict some unprecedented …

Effect of native oxide on stress in silicon nanowires: Implications for nanoelectromechanical systems

M Nasr Esfahani, S Zare Pakzad, T Li… - ACS Applied Nano …, 2022 - ACS Publications
Understanding the origins of intrinsic stress in Si nanowires (NWs) is crucial for their
successful utilization as transducer building blocks in next-generation, miniaturized sensors …

Heat transport control and thermal characterization of low-dimensional materials: A review

A El Sachat, F Alzina, CM Sotomayor Torres… - Nanomaterials, 2021 - mdpi.com
Heat dissipation and thermal management are central challenges in various areas of
science and technology and are critical issues for the majority of nanoelectronic devices. In …

Silicon nanowires: a breakthrough for thermoelectric applications

G Pennelli, E Dimaggio, A Masci - Materials, 2021 - mdpi.com
The potentialities of silicon as a starting material for electronic devices are well known and
largely exploited, driving the worldwide spreading of integrated circuits. When …

Thermal conductivity of strained silicon: Molecular dynamics insight and kinetic theory approach

V Kuryliuk, O Nepochatyi, P Chantrenne… - Journal of Applied …, 2019 - pubs.aip.org
In this work, we investigated the tensile and compression forces effect on the thermal
conductivity of silicon. We used the equilibrium molecular dynamics approach for the …

Thermal conductivity and interfacial thermal resistance in the heterostructure of silicon/amorphous silicon dioxide: the strain and temperature effect

H Gu, J Wang, X Wei, H Wang, Z Li - Nanotechnology, 2020 - iopscience.iop.org
This article reports the thermal conduction properties of Si/a-SiO 2 heterostructure with two
different interfaces: weak and strong coupling strength through molecular dynamics …

Anomalous low energy phonon dispersion in bulk silicon-germanium observed by inelastic x-ray scattering

R Yokogawa, H Takeuchi, Y Arai, I Yonenaga… - Applied Physics …, 2020 - pubs.aip.org
We report on an anomalous mode distinct from both optical and acoustic modes in phonon
dispersion curves of bulk Si 1− x Ge x alloy with x taking the values of 0.16, 0.32, 0.45, and …

Transfer of vertically aligned silicon nanowires array using sacrificial porous silicon layer

MK Sahoo, P Kale - Thin Solid Films, 2020 - Elsevier
Metal-assisted chemical etching (MACE) fabricates silicon nanowires (SiNWs) array at room
temperature on the crystalline Si substrate. The SiNWs, however, need to be transferred to a …

Strong phonon anharmonicity and low thermal conductivity of monolayer tin oxides driven by lone-pair electrons

W Wan, Y Ge, Y Liu - Applied Physics Letters, 2019 - pubs.aip.org
Motivated by the excellent electronic and optoelectronic properties of two-dimensional (2D)
tin oxides, we systematically investigated the thermal conductivity (κ) of monolayers SnO …