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Reduced graphene oxide becomes one of the most popular materials for applications in various optical, electronic and sensor devices. Even though many methods have been already reported for reduced graphene oxide synthesis, they usually rise…

Molecular dynamics simulations at a constant electric potential are an essential tool to study electrochemical processes, providing microscopic information on the structural, thermodynamic, and dynamical properties. Despite the numerous…

The fabrication and operation of V-based superconducting nanorefrigerators is reported. Specifically, electrons in an Al island are cooled thanks to hot-quasiparticle extraction provided by tunnel-coupled V electrodes. Electronic…

Mesoscale and Nanoscale Physics · Physics 2011-01-20 O. Quaranta , P. Spathis , F. Beltram , F. Giazotto

An ionization-induced plasma grating can be formed by spatially selective ionization of gases by the interference of two intersecting ultra-short laser pulses. The density modulation of a plasma grating can approach unity since the plasma…

Plasma Physics · Physics 2021-09-01 Chaojie Zhang , Zan Nie , Yipeng Wu , Mitchell Sinclair , Chen-Kang Huang , Ken A. Marsh , Chan Joshi

We have fabricated and characterized a field-effect transistor in which an electric field is applied through an encapsulated vacuum cavity and induces a two-dimensional electron system on a hydrogen-passivated Si(111) surface. This vacuum…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 K. Eng , R. N. McFarland , B. E. Kane

We demonstrate a novel nanoheating scheme that yields very large and uniform temperature gradients up to about 1K every 100nm, in an architecture which is compatible with the field-effect control of the nanostructure under test. The…

Electrowetting on dielectric is demonstrated with a thin spin-coated fluoropolymer over an aluminum electrode. Previous efforts to use thin spin-coated dielectric layers for electrowetting have shown limited success due to defects in the…

Materials Science · Physics 2013-02-27 M. Khodayari , J. Carballo , Nathan B. Crane

Nanoelectromechanical Systems (NEMS) have emerged as a promising technology for performing the mass spectrometry of large biomolecules and nanoparticles. As nanoscale objects land on NEMS sensor one by one, they induce resolvable shifts in…

Mesoscale and Nanoscale Physics · Physics 2019-07-24 Mert Yuksel , Ezgi Orhan , Cenk Yanik , Atakan B. Ari , Alper Demir , M. Selim Hanay

The study of optical phenomena on the subwavelength scale is becoming increasingly important in photonics, particularly in the fields of nanoemitters, photonic crystals and plasmonics. Subwavelength field patterns are evanescent and must…

CMOS pixel sensors with a small collection electrode combine the advantages of a small sensor capacitance with the advantages of a fully monolithic design. The small sensor capacitance results in a large ratio of signal-to-noise and a low…

A high-sensitivity wireless pressure sensor with active processing structure designed on the dielectric substrate has been present and evaluated in this paper. The sensor configuration has been optimized by computer-aided design to achieve…

Instrumentation and Detectors · Physics 2024-11-27 Baiyun Wang , Yijia Cheng , Yujie Hua , Wenxuan Tang , Wei E. I. Sha , Hao Xu , Kang Wang , Jundi Hu , Huaqing Fan , Huanran Peng , Gang Shao

High-precision sensors are of fundamental importance in modern society and technology.Although numerous sensors have been developed, obtaining sensors with higher levels of sensitivity and stronger robustness has always been expected. Here,…

Quantum Physics · Physics 2025-02-12 Wenyuan Deng , Wei Zhu , Tian Chen , Houjun Sun , Xiangdong Zhang

In this paper we present NANOTCAD2D, a code for the simulation of the electrical properties of semiconductor-based nanoelectronic devices and structures in two-dimensional domains. Such code is based on the solution of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 G. Curatola , G. Iannaccone

The detection of weak forces is a central problem in physics and engineering, ranging in importance from fundamental pursuits such as precision tests of gravity, gravitational-wave detection, and searches for dark matter, to applications…

Quantum Physics · Physics 2025-07-02 Dominika Ďurovčíková , Vivishek Sudhir

An ultracold electron source based on near-threshold photoionization of a laser-cooled and trapped atomic gas is presented in this work. Initial DC acceleration to $\sim$10 keV and subsequent acceleration of the created bunches to 100 keV…

Accelerator Physics · Physics 2023-07-07 D. F. J. Nijhof , P. H. A. Mutsaers , O. J. Luiten

In this work, we examine metal electrode-ionomer electrolyte systems at high voltage / negative surface charge and at high pH to assess factors that influence hydrogen production efficiency. We simulate the hydrogen evolution electrode…

Chemical Physics · Physics 2019-09-04 Reese E. Jones , William C. Tucker , Matthew J. L. Mills , Sanjeev Mukerjee

Supercapacitor electrodes fabricated from a nanocomposite consisting of multiwall carbon nanotubes and titanium oxide nanoparticles were characterized electrochemically. Conventional electrochemical characterizations cyclic voltammetry and…

Materials Science · Physics 2016-04-20 Jason Ma

Transport measurements are powerful tools to probe electronic properties of solid-state materials. To access properties of local electronic states in nanostructures, such as local density of states, electronic distribution and so on,…

Nitrogen-vacancy (NV) centers in diamond can be used as quantum sensors to image the magnetic field with nanoscale resolution. However, nanoscale electric-field mapping has not been achieved so far because of the relatively weak coupling…

Mesoscale and Nanoscale Physics · Physics 2021-05-04 Ke Bian , Wentian Zheng , Xianzhe Zeng , Xiakun Chen , Rainer Stohr , Andrej Denisenko , Sen Yang , Joerg Wrachtrup , Ying Jiang

Colloidal lithography [1] is how patterns are reproduced in a variety of natural systems and is used more and more as an efficient fabrication tool in bio-, opto-, and nano-technology. Nanoparticles in the colloid are made to form a mask on…

Mesoscale and Nanoscale Physics · Physics 2013-11-27 A. Iovan , M. Fischer , R. Lo Conte , V. Korenivski