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Tribological characteristics of nanotube-based nanoelectromechanical systems (NEMS) exemplified by a gigahertz oscillator are studied. Various factors that influence the tribological properties of the nanotube-based NEMS are quantitatively…

Mesoscale and Nanoscale Physics · Physics 2009-04-07 I. V. Lebedeva , A. A. Knizhnik , A. M. Popov , Yu. E. Lozovik , B. V. Potapkin

We demonstrate a class of model nano-electromechanical systems (NEMS) based on multiwalled carbon nanotubes (MWNTs) which has longer inner cores coaxially oscillating inside their respective shorter outer shell holders and can operate at…

Materials Science · Physics 2007-09-26 Quan-shui Zheng , Zhiping Xu , Adrian Neild , Tuck Wah Ng

Nanoelectromechanical systems (NEMs) hold promise for a number of scientific and technological applications. In particular, NEMs oscillators have been proposed for use in ultrasensitive mass detection, radio-frequency signal processing, and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Vera Sazonova , Yuval Yaish , Hande Ustunel , David Roundy , Tomas A. Arias , Paul L. McEuen

We study 23 to 30 nm long suspended single-wall carbon nanotube quantum dots and observe both their stretching and bending vibrational modes. We use low-temperature DC electron transport to excite and measure the tubes' bending mode by…

Mesoscale and Nanoscale Physics · Physics 2012-09-21 J. O. Island , V. Tayari , A. C. McRae , A. R. Champagne

Possible applications of carbon nanotubes in nanoelectromechanical systems (NEMSs) based on rela-tive motion and interaction of nanotubes walls are considered for wide set of NEMS. This set includes nanomotors, nanoactuator, nanorelay,…

Mesoscale and Nanoscale Physics · Physics 2010-11-02 Yu E Lozovik , A M Popov

Fluctuations in thermal many-particle systems reflect fundamental dynamical processes in both equilibrium and nonequilibrium (NEQ) physics. In NEQ systems \cite{ritort} fluctuations are important in a variety of contexts ranging from…

Statistical Mechanics · Physics 2012-01-17 Marco G. Mazza , Martin Schoen

We investigate the effect of thermal fluctuations on the mechanical properties of nanotubes by employing tools from statistical physics. For 2D sheets it was previously shown that thermal fluctuations effectively renormalize elastic moduli…

Statistical Mechanics · Physics 2023-05-25 Siddhartha Sarkar , Mohamed El Hedi Bahri , Andrej Košmrlj

Recently Zheng and Jiang [PRL 88, 045503 (2002)], based on static models, have proposed that multiwalled carbon nanotubes could be the basis for a new generation of nanooscilators in the several gigahertz range. In this work we present the…

Materials Science · Physics 2009-11-07 S. B. Legoas , V. R. Coluci , S. F. Braga , P. Z. Coura , S. O. Dantas , D. S. Galvao

Fabrication of Nano-Electro-Mechanical-Systems (NEMS) of high quality is nowadays extremely efficient. These NEMS will be used as sensors and actuators in integrated systems. Their use however raises questions about their interface…

Materials Science · Physics 2007-11-08 Guillaume Jourdan , Gauthier Torricelli , Joël Chevrier , Fabio Comin

Nanoelectromechanical systems (NEMS) are devices integrating electrical and mechanical functionality on the nanoscale. Because of individual electron tunneling, such systems can show rich self-induced, highly non-linear dynamics. We show…

Mesoscale and Nanoscale Physics · Physics 2021-10-13 Christopher W. Wächtler , Alan Celestino , Alexander Croy , Alexander Eisfeld

Nanoelectromechanical systems (NEMS) are nano-to-micrometer scale mechanical resonators coupled to electronic devices of similar dimensions. NEMS show promise for fast, ultrasensitive force microscopy and for deepening our understanding of…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 M. P. Blencowe

The surface dynamics and thermodynamics of metal nanowires are investigated in a continuum model. Competition between surface tension and electron-shell effects leads to a rich stability diagram, with fingers of stability extending to…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. H. Zhang , F. Kassubek , C. A. Stafford

In recent decades, the laws of thermodynamics have been pushed down to smaller and smaller scales, within the field of stochastic thermodynamics and state-of-art experiments performed on mesoscopic systems. These measurements concern…

Mesoscale and Nanoscale Physics · Physics 2023-01-26 Ilya Golokolenov , Arpit Ranadive , Luca Planat , Martina Esposito , Nicolas Roch , Xin Zhou , Andrew Fefferman , Eddy Collin

We study the heat transfer between two nanoparticles held at different temperatures that interact through nonreciprocal forces, by combining molecular dynamics simulations with stochastic thermodynamics. Our simulations reveal that it is…

Statistical Mechanics · Physics 2022-12-16 Sarah A. M. Loos , Saeed Arabha , Ali Rajabpour , Ali Hassanali , Edgar Roldan

Much interest has been drawn in recent years to the concept and realization of Nanoelectromechanical systems (NEMS). NEMS are nanoscale devices that combine mechanical and electrical dynamics in a strong interplay. The shuttle devices are a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Andrea Donarini

In this article, we present a nano-electromechanical system (NEMS) designed to detect changes in the Casimir Energy. The Casimir effect is a result of the appearance of quantum fluctuations in the electromagnetic vacuum. Previous…

The stochastic dynamics of micron and nanoscale cantilevers immersed in a viscous fluid are quantified. Analytical results are presented for long slender cantilevers driven by Brownian noise. The spectral density of the noise force is not…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 M. R. Paul , M. T. Clark , M. C. Cross

The behavior of a nanodevice based upon double-walled carbon nanotube oscillators driven by periodically applied thermal gradients (7 and 17 K/nm) is investigated by numerical calculations and classical molecular dynamics simulations. Our…

Mesoscale and Nanoscale Physics · Physics 2010-01-06 V. R. Coluci , V. S. Timóteo , D. S. Galvão

Nanobeam optomechanical crystals, in which localized GHz frequency mechanical modes are coupled to wavelength-scale optical modes, are being employed in a variety of experiments across different material platforms. Here, we demonstrate the…

Applied Physics · Physics 2018-07-12 Karen E. Grutter , Marcelo Davanço , Krishna C. Balram , Kartik Srinivasan

Fluctuation theorems are a generalization of thermodynamics on small scales and provide the tools to characterize the fluctuations of thermodynamic quantities in non-equilibrium nanoscale systems. They are particularly important for…

Statistical Mechanics · Physics 2014-04-03 Jan Gieseler , Romain Quidant , Christoph Dellago , Lukas Novotny
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