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It has been shown in recent experiments that electronic transport through a gold monatomic nanowire is dissipative above a threshold voltage due to excitation of phonons via the electron-phonon interaction. We address that data by…

Materials Science · Physics 2009-11-07 F. Picaud , A. Dal Corso , E. Tosatti

Heat flow control in phononics has received significant attention recently due to its widespread applications in energy transfer, conversion and utilization. Here, we demonstrate that by applying external stress or strain we can effectively…

Materials Science · Physics 2015-09-10 Suzhi Li , Xiangdong Ding , Jie Ren , Ju Li , Jun Sun , Ekhard K. H. Salje

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 thermal transport in aerogels. At these separation distances,…

Materials Science · Physics 2020-01-07 A. Alkurdi , C. Adessi , F. Tabatabaei , S. Li , K. Termentzidis , S. Merabia

We report the observation of channel-width dependent enhancement in nanoscale field effect transistors containing lithographically-patterned silicon nanowires as the conduction channel. These devices behave as conventional…

Other Condensed Matter · Physics 2008-02-18 Xihua Wang , Yu Chen , Mi K. Hong , Shyamsunder Erramilli , Pritiraj Mohanty

Nanoplasmonics exploits the coupling between light and collective electron density oscillations (plasmons) to bypass the stringent limits imposed by diffraction. This coupling enables confinement of light to sub-wavelength volumes and is…

We study the thermopower of a disordered nanowire in the field effect transistor configuration. After a first paper devoted to the elastic coherent regime (Bosisio R., Fleury G. and Pichard J.-L. 2014 \textit{New J. Phys.} \textbf{16}…

Mesoscale and Nanoscale Physics · Physics 2014-09-23 Riccardo Bosisio , Cosimo Gorini , Geneviève Fleury , Jean-Louis Pichard

Suppressing phonon propagation in nanowires is an essential goal towards achieving efficient thermoelectric devices. Recent experiments have shown unambiguously that surface roughness is a key factor that can reduce the thermal conductivity…

Mesoscale and Nanoscale Physics · Physics 2017-08-09 K. A. Muttalib , S. Abhinav

We present a scheme for photonic transistors based on photons and phonons in a cavity electromechanical system, which is consisted of a superconducting microwave cavity coupled to a nanomechanical resonator. Control of the propagation of…

Quantum Physics · Physics 2013-01-09 Cheng Jiang , Ka-Di Zhu

Gate capacitances of back-gated nanowire field-effect transistors (NW-FETs) are calculated by means of finite element methods and the results are compared with analytical results of the ``metallic cylinder on an infinite metal plate…

Other Condensed Matter · Physics 2009-11-11 Olaf Wunnicke

We report on transport measurement study of top-gated field effect transistors made out of InSb nanowires grown by chemical vapor deposition. The transistors exhibit ambipolar transport characteristics revealed by three distinguished…

Mesoscale and Nanoscale Physics · Physics 2020-03-25 B. Dalelkhan , D. Göransson , C. Thelander , K. Li , Y. J. Xing , V. F. Maisi , H. Q. Xu

Through advanced quantum mechanical simulations combining electron and phonon transport from first-principles self-heating effects are investigated in n-type transistors with a single-layer MoS2, WS2, and black phosphorus as channel…

Mesoscale and Nanoscale Physics · Physics 2018-12-06 Christian Stieger , Aron Szabo , Teute Bunjaku , Mathieu Luisier

Presented here is a nanowire model, consisting of coupled elastic membranes with the purpose of investigating thermal transport in quasi-one-dimensional quantum systems. The vibrations of each elastic membrane are quantized and the flow of…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 Julian A Lawn , Daniel S Kosov

Phononic computing -- the use of (typically thermal) vibrations for information processing -- is a nascent technology; its capabilities are still being discovered. We analyze an alternative form of phononic computing inspired by optical,…

Other Condensed Matter · Physics 2013-01-15 Sophia Sklan , Jeffrey C. Grossman

We study the effect of a local external potential on a system of two parallel spin-polarized nanowires placed close to each other. For single channel nanowires with repulsive interaction we find that transport properties of the system are…

Strongly Correlated Electrons · Physics 2013-05-29 Sam T. Carr , Boris N. Narozhny , Alexander A. Nersesyan

At micro- to nano-scales, classical size effects in heat conduction play an important role in suppressing the thermal transport process. Such effects occur when the characteristic lengths become commensurate to the mean free paths (MFPs) of…

Applied Physics · Physics 2019-05-08 Qing Hao , Yue Xiao , Qiyu Chen

Transport properties of holes in InP nanowires were calculated considering electron-phonon interaction via deformation potentials, the effect of temperature and strain fields. Using molecular dynamics, we simulate nanowire structures,…

One-dimensional particle chains are fundamental models to explain anomalous thermal conduction in low-dimensional solids like nanotubes and nanowires. In these systems the thermal energy is carried by phonons, i.e. propagating lattice…

Mesoscale and Nanoscale Physics · Physics 2022-03-17 Francesco De Vita , Giovanni Dematteis , Raffaele Mazzilli , Davide Proment , Yuri V. Lvov , Miguel Onorato

The density of states of proximitized normal nanowires interrupting superconducting rings can be tuned by the magnetic flux piercing the loop. Using these as the contacts of a single-electron transistor allows to control the energetic…

Mesoscale and Nanoscale Physics · Physics 2019-08-27 Donald Goury , Rafael Sánchez

The low-field electron mobility in rectangular silicon nanowire (SiNW) transistors was computed using a self-consistent Poisson-Schr\"{o}dinger-Monte Carlo solver. The behavior of the phonon-limited and surface-roughness-limited components…

Materials Science · Physics 2016-11-17 E. B. Ramayya , D. Vasileska , S. M. Goodnick , I. Knezevic

Strong radial confinement in semiconductor nanowires leads to modified electronic and phononic energy spectra. We analyze the current response to the interplay between quantum confinement effects of the electron and phonon systems in a…

Mesoscale and Nanoscale Physics · Physics 2010-02-15 C. Weber , A. Fuhrer , C. Fasth , G. Lindwall , L. Samuelson , A. Wacker