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We numerically study the effect of an active turbulent environment on a passive deformable droplet. The system is simulated using coupled hydrodynamic and nematodynamic equations for nematic liquid crystals with an active stress which is…

Soft Condensed Matter · Physics 2024-05-06 Chamkor Singh , Abhishek Chaudhuri

A simple model for the friction experienced by the one dimensional water chains that flow through subnanometer diameter carbon nanotubes is studied. The model is based on a lowest order perturbation theory treatment of the friction…

Fluid Dynamics · Physics 2023-05-17 J. B. Sokoloff , A. W. C. Lau

A liquid volume containing dissolved solutes moves through a charged nanofluidic channel under the influence of the concentration gradient of the solutes, non-trivially modulated by the electrostatic interaction between ionic liquid and…

Fluid Dynamics · Physics 2023-08-31 Pranab Kumar Mondal

CdS nanotubes with wall thickness comparable to excitonic diameter of the bulk material are synthesized by a chemical route. A change in experimental conditions result in formation of nanowires, and well-separated nanoparticles. The…

Materials Science · Physics 2009-02-16 A. K. Mahapatra

The emerging diffusive dynamics in many complex systems shows a characteristic crossover behaviour from anomalous to normal diffusion which is otherwise fitted by two independent power-laws. A prominent example for a subdiffusive-diffusive…

Statistical Mechanics · Physics 2018-09-26 D. Molina-Garcia , T. Sandev , H. Safdari , G. Pagnini , A. Chechkin , R. Metzler

In this letter, we demonstrate a strong dependence of the electrostatic deformation of doubly-clamped single-walled carbon nanotubes on both the field strength and the tube length, using molecular simulations. Metallic nanotubes are found…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Zhao Wang , Laetitia Philippe

In this paper we calculate the elastic scattering cross sections of slow electron by carbon nanotubes. The corresponding electron-nanotube interaction is substituted by a zero-thickness cylindrical potential that neglects the atomic…

Mesoscale and Nanoscale Physics · Physics 2022-02-23 M. Ya. Amusia , A. S. Baltenkov

Carbon nanotube field-effect transistors with structures and properties near the scaling limit with short (down to 50 nm) channels, self aligned geometries, palladium electrodes with low contact resistance and high-k dielectric gate…

Other Condensed Matter · Physics 2015-06-24 Ali Javey , Jing Guo , Damon B. Farmer , Qian Wang , Erhan Yenilmez , Roy G. Gordon , Mark Lundstrom , Hongjie Dai

We present diffusion Monte Carlo calculations of D$_2$ adsorbed inside a narrow carbon nanotube. The 1D D$_2$ equation of state is reported, and the one-dimensional character of the adsorbed D$_2$ is analyzed. The isotopic dependence of the…

Statistical Mechanics · Physics 2009-11-07 M. C. Gordillo , J. Boronat , J. Casulleras

In this work X-ray propagation in micro- and nano-size capillaries has been considered in the frame of a simple unified wave theory. It is shown that the diminishing of the channel sizes completely changes the mode of beam transportation,…

General Physics · Physics 2007-05-23 S. Bellucci , S. B. Dabagov

We present a low energy-theory for non-linear transport in finite-size interacting single-wall carbon nanotubes. It is based on a microscopic model for the interacting p_z electrons and successive bosonization. We consider weak coupling to…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Leonhard Mayrhofer , Milena Grifoni

A fabrication method for positioning and embedding a single-walled carbon nanotube (SWNT) across the diameter of a solid state nanopore is presented. Chemical vapor deposition (CVD) is used to grow SWNTs over arrays of focused ion beam…

Biological Physics · Physics 2013-08-07 E. S. Sadki , S. Garaj , D. Vlassarev , J. A. Golovchenko , D. Branton

High quality single wall carbon nanotube quantum dots have been made showing both metallic and semiconducting behavior. Some of the devices are identified as small band gap semiconducting nanotubes with relatively high broad conductance…

Mesoscale and Nanoscale Physics · Physics 2007-11-14 K. Grove-Rasmussen , H. I. Jørgensen , P. E. Lindelof

We report results on superconducting tunneling spectroscopy of a carbon nanotube quantum dot. Using a three-probe technique that includes a superconducting tunnel probe, we map out changes in conductance due to band structure, excited…

Strongly Correlated Electrons · Physics 2015-05-13 Travis Dirks , Yung-Fu Chen , Norman O. Birge , Nadya Mason

The dynamical conductance of electrically contacted single-walled carbon nanotubes is measured from dc to 10 GHz as a function of source-drain voltage in both the low-field and high-field limits. The ac conductance of the nanotube itself is…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 Z. Yu , P. J. Burke

Disorder driven superconductor to insulator transition via intermediate metallic regime is reported in nano-crystalline thin films of molybdenum. The nano-structured thin films have been deposited at room temperature using DC magnetron…

Superconductivity · Physics 2017-04-03 Shilpam Sharma , E. P. Amaladass , Neha Sharma , V. Harimohan , S. Amirthapandian , Awadhesh Mani

We use elastomeric polydimethylsiloxane substrates to strain single-walled carbon nanotubes and modulate their electronic properties, with the aim of developing flexible materials that can sense local strain. We demonstrate micron-scale…

Materials Science · Physics 2009-11-11 H. Maune , M. Bockrath

Dielectric screening plays a vital role for the physical properties in the nanoscale and also alters our ability to detect and characterize nanomaterials by optical techniques. We study the dielectric screening inside of carbon nanotubes…

Mesoscale and Nanoscale Physics · Physics 2024-04-02 Georgy Gordeev , Sören Wasserroth , Han Li , Ado Jorio , Benjamin S. Flavel , Stephanie Reich

The aim of the paper is the study of fluid mixtures in nanotubes by the methods of continuum mechanics. The model starts from a statistical distribution in mean-field molecular theory and uses a density expansion of Taylor series. We get a…

Fluid Dynamics · Physics 2018-08-01 Henri Gouin , Augusto Muracchini , Tommaso Ruggeri

We study the transport properties of particles draining from a silo using imaging and direct particle tracking. The particle displacements show a universal transition from super-diffusion to normal diffusion, as a function of the distance…

Soft Condensed Matter · Physics 2007-05-23 Jaehyuk Choi , A. Kudrolli , R. R. Rosales , Martin Z. Bazant