Phonon-assisted heat transfer between vacuum-separated surfaces

JB Pendry, K Sasihithlu, RV Craster - Physical Review B, 2016 - APS
With increasing interest in nanotechnology, the question arises of how heat is exchanged
between materials separated by only a few nanometers of vacuum. Here, we present …

Phonon heat transfer across a vacuum through quantum fluctuations

KY Fong, HK Li, R Zhao, S Yang, Y Wang, X Zhang - Nature, 2019 - nature.com
Heat transfer in solids is typically conducted through either electrons or atomic vibrations
known as phonons. In a vacuum, heat has long been thought to be transferred by radiation …

Transition from near-field thermal radiation to phonon heat conduction at sub-nanometre gaps

V Chiloyan, J Garg, K Esfarjani, G Chen - Nature communications, 2015 - nature.com
When the separation of two surfaces approaches sub-nanometre scale, the boundary
between the two most fundamental heat transfer modes, heat conduction by phonons and …

Thermal transport across nanometre gaps: Phonon transmission vs. air conduction

A Alkurdi, C Adessi, F Tabatabaei, S Li… - International Journal of …, 2020 - Elsevier
Heat transfer between two surfaces separated by a nanometre gap is important for a number
of applications ranging from spaced head disk systems, scanning thermal microscopy and …

Quasi-Casimir coupling induced phonon heat transfer across a vacuum gap

W Chen, G Nagayama - International Journal of Heat and Mass Transfer, 2021 - Elsevier
In vacuum, thermal energy is transported by photons (thermal radiation) but not phonons.
Recent studies, however, indicated that phonon heat transfer across a vacuum gap is …

On the role of acoustic waves (phonons) in equilibrium heat exchange across a vacuum gap

BV Budaev, DB Bogy - Applied Physics Letters, 2011 - pubs.aip.org
Heat exchange between closely positioned bodies has become an important issue for such
areas of modern technology as integrated circuits, atomic force microscopy, and high …

Van der Waals force assisted heat transfer

K Sasihithlu, JB Pendry, RV Craster - Zeitschrift für Naturforschung A, 2017 - degruyter.com
Phonons (collective atomic vibrations in solids) are more effective in transporting heat than
photons. This is the reason why the conduction mode of heat transport in nonmetals …

Giant heat transfer in the crossover regime between conduction and radiation

K Kloppstech, N Könne, SA Biehs… - Nature …, 2017 - nature.com
Heat is transferred by radiation between two well-separated bodies at temperatures of finite
difference in vacuum. At large distances the heat transfer can be described by black body …

First-principles calculations of phonon transport across a vacuum gap

T Tokunaga, M Arai, K Kobayashi, W Hayami… - Physical Review B, 2022 - APS
Phonon transport across a vacuum gap separating intrinsic silicon crystals is predicted via
the three-dimensional atomistic Green's function method combined with first-principles …

Vacuum-induced phonon transfer between two solid dielectric materials: Illustrating the case of Casimir force coupling

Y Ezzahri, K Joulain - Physical Review B, 2014 - APS
The natural transition from the radiative regime to the conductive regime of heat transfer
between two identical isotropic nonmagnetic dielectric solid materials is questioned by …