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In this study, using nonequilibrium molecular dynamics simulation, the water flow in carbon nanocones is studied using the TIP4P/2005 rigid water model. The results demonstrate a nonuniform dependence of the flow on the cone apex angle and…

In most of the cases, the experimental study of Nanotechnology involves high cost for Laboratory set-up and the experimentation processes were also slow. So, one cannot rely on experimental nanotechnology alone. As such, the Computer-Based…

Emerging Technologies · Computer Science 2011-09-09 Tamal Sarkar , Samir Chandra Das , Ardhendu Mandal

A powerful technique is introduced for simulating mechanical and electromechanical properties of one-dimensional nanostructures under arbitrary combinations of bending, twisting, and stretching. The technique is based on a novel control of…

Mesoscale and Nanoscale Physics · Physics 2016-09-28 Pekka Koskinen

Carbon nanotubes can serve as one-dimensional nanoreactors for the in-tube synthesis of various nanostructures. Experimental observations have shown that chains, inner tubes, or nanoribbons can grow by the thermal decomposition of…

Materials Science · Physics 2023-06-13 Somayeh Eskandari , János Koltai , István László , Mehran Vaezi , Jenő Kürti

This paper analyzes different ways to simulate electromagnetically three-core armored cables in 3D by means of the finite element method. Full periodic models, as lengthy as 36 m, are developed to evaluate the accuracy when simulating only…

Systems and Control · Electrical Eng. & Systems 2024-01-24 Juan Carlos del-Pino-López , Marius Hatlo , Pedro Cruz-Romero

Training of deep neural networks (DNNs) is a computationally intensive task and requires massive volumes of data transfer. Performing these operations with the conventional von Neumann architectures creates unmanageable time and power…

Emerging Technologies · Computer Science 2020-01-08 Murat Onen , Brenden A. Butters , Emily Toomey , Tayfun Gokmen , Karl K. Berggren

In this work, we design a TiO2 nanomembrane (TiNM) that can be used as a nanofilter platform for a selective enrichment of specific proteins. After use the photocatalytic properties of TiO2 allow to decompose unwanted remnant on the…

Materials Science · Physics 2016-10-21 Jingwen Xu , Lingling Yang , Yuyao Han , Yongmei Wang , Xuemei Zhou , Zhida Gao , Yan-Yan Song , Patrik Schmuki

We present a detailed comparison between theoretical predictions on electron scattering processes in metallic single-walled carbon nanotubes with defects and experimental data obtained by scanning tunneling spectroscopy of Ar$^+$ irradiated…

Mesoscale and Nanoscale Physics · Physics 2011-04-28 D. Bercioux , G. Buchs , H. Grabert , O. Groening

We derive a one-dimensional (1d) model for the analysis of bulging or necking in an inflated hyperelastic tube of {\it finite wall thickness} from the three-dimensional finite elasticity theory by applying the dimension reduction…

Soft Condensed Matter · Physics 2025-11-21 Xiang Yu , Yibin Fu

The interactions of charged particles with carbon nanotubes may excite electromagnetic modes in the electron gas produced in the cylindrical graphene shell constituting the nanotube wall. This wake effect has recently been proposed as a…

Accelerator Physics · Physics 2023-12-18 P. Martín-Luna , A. Bonatto , C. Bontoiu , G. Xia , J. Resta-López

Rigorous computer simulations of propagating electromagnetic fields have become an important tool for optical metrology and optics design of nanostructured components. As has been shown in previous benchmarks some of the presently used…

Monoatomic chains of molybdenum encapsulated in single walled carbon nanotubes of different chiralities are investigated using density functional theory. We determine the optimal size of the carbon nanotube for encapsulating a single atomic…

Mesoscale and Nanoscale Physics · Physics 2015-05-27 A. García-Fuente , V. M. García-Suárez , J. Ferrer , A. Vega

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

We have studied the electrical conductivity of two-dimensional nanowire networks. An analytical evaluation of the contribution of tunneling to their electrical conductivity suggests that it is proportional to the square of the wire…

Mesoscale and Nanoscale Physics · Physics 2020-03-23 Irina V. Vodolazskaya , Andrei V. Eserkepov , Renat K. Akhunzhanov , Yuri Yu. Tarasevich

Elastic sheets with macroscopic dimensions are easy to deform by bending and stretching. Yet shaping nanometric sheets by mechanical manipulation is hard. Here we show that nanoparticle self-assembly could be used to this end. We…

Soft Condensed Matter · Physics 2015-05-20 Josep C. Pàmies , Angelo Cacciuto

The simulation of large nonlinear dynamical systems, including systems generated by discretization of hyperbolic partial differential equations, can be computationally demanding. Such systems are important in both fluid and kinetic…

Plasma Physics · Physics 2021-06-14 Alexander Engel , Graeme Smith , Scott E. Parker

Exploring various topological states (TS) and topological phase transitions (TPT) has attracted great attention in condensed matter physics. However, so far, there is rarely a typical material system that can be used as a platform to study…

Materials Science · Physics 2024-03-15 Yan Gao , Yu Du , Yun-Yun Bai , Weikang Wu , Qiang Wang , Yong Liu , Kai Liu , Zhong-Yi Lu

In this work we propose an efficient and accurate multi-scale optical simulation algorithm by applying a numerical version of slowly varying envelope approximation in FEM. Specifically, we employ the fast iterative method to quickly compute…

Optics · Physics 2024-12-03 Fan Xiao , Jingwei Wang , Zhongfei Xiong , Yuntian Chen

We report on the characterization of torsional oscillators which use multi-walled carbon nanotubes as the spring elements. Through atomic-force-microscope force-distance measurements we are able to apply torsional strains to the nanotubes…

Materials Science · Physics 2009-11-07 P. A. Williams , S. J. Papadakis , A. M. Patel , M. R. Falvo , S. Washburn , R. Superfine

Coiled Carbon Nanotubes (CCNTs) are increasingly set to become a vital factor in the new generation of nanodevices and energy-absorbing materials due to their outstanding properties. In the following work, the multi-objective optimization…

Materials Science · Physics 2021-03-16 Ehsan Shahini , Fazel Rangriz , Ali Karimi Taheri