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Nanomagnets with small shape anisotropy energy barriers on the order of the thermal energy have unstable magnetization that fluctuates randomly in time. They have recently emerged as promising hardware platforms for stochastic computing and…

Mesoscale and Nanoscale Physics · Physics 2020-03-10 Md Ahsanul Abeed , Supriyo Bandyopadhyay

Electron beam induced deposition of amorphous carbon finds several uses in microlithography, surface micromachining, and the manufacturing of micro- and nanomechanical devices. This process also occurs unintentionally in vacuum chambers of…

Materials Science · Physics 2011-05-06 S. Zaitsev , O. Shtempluck , E. Buks

The linear magnetoelectric effect was measured in 500 nm Cr2O3 films grown by rf sputtering on Al2O3 substrates between top and bottom thin film Pt electrodes. Magnetoelectric susceptibility was measured directly by applying an AC electric…

Materials Science · Physics 2016-05-25 P. Borisov , T. Ashida , T. Nozaki , M. Sahashi , D. Lederman

Electrochemical biosensors and the related concept of redox detection at nanogap electrodes are increasingly explored for ultra-sensitive detection of biomolecules. While experimental demonstrations have been encouraging, the associated…

Biological Physics · Physics 2020-01-15 Sanjog V. Joshi , Pradeep R. Nair

We study the impact of plasma correlation effects on nonresonant thermonuclear reactions for various stellar objects, namely in the liquid envelopes of neutron stars, and the interiors of white dwarfs, low-mass stars, and substellar…

Plasma Physics · Physics 2013-10-14 A. Y. Potekhin , G. Chabrier

The structure of the electron quantum size levels in spherical nanocrystals is studied in the framework of an eight--band effective mass model at zero and weak magnetic fields. The effect of the nanocrystal surface is modeled through the…

Materials Science · Physics 2009-11-07 A. V. Rodina , Al. L. Efros , A. Yu. Alekseev

Single T4-DNA molecules were confined in rectangular-shaped channels with a depth of 300 nm and a width in the range 150-300 nm casted in a poly(dimethylsiloxane) nanofluidic chip. The extensions of the DNA molecules were measured with…

Biological Physics · Physics 2009-11-13 Ce Zhang , Fang Zhang , Jeroen A. van Kan , Johan R. C. van der Maarel

In 3D and 2D electronic systems the singular contribution to the static permittivity $\epsilon$ (Kohn singularity) is a small correction to the regular part of $\epsilon$ but it results in the leading term in asymptotic behavior of the…

Other Condensed Matter · Physics 2007-12-07 A. V. Chaplik , L. I. Magarill , R. Z. Vitlina

In this review article, we focus on emerging nanocantilever based biological sensors and discuss the response of nanocantilevers towards bio-molecules capture. The article guides the reader through various modes of operation (e.g., static…

Instrumentation and Detectors · Physics 2013-05-30 Ankit Jain , Muhammad Ashraful Alam

The electromagnetic response of a nanoparticle of an ion-doped polymeric elastic insulator, commonly called as an electret, is considered in the continuum model of a uniformly charged elastic sphere. The spectral formulae for the frequency…

Materials Science · Physics 2015-05-13 Sergey Bastrukov , Irina Molodtsova , Pik-Yin Lai

Screening in reduced dimensions has strong consequences on the electronic properties in van der Waals semiconductors, impacting the quasiparticle band gap and exciton binding energy. Screening in these materials is typically treated…

Two-dimensional (2D) ferroelectrics offer the potential for ultrathin flexible nanoelectronics, typically utilizing a metal-ferroelectric-metal sandwich structure as the functional unit. Electrodes can either contribute free carriers to…

Materials Science · Physics 2023-11-17 Jiawei Huang , Changming Ke , Zhuang Qian , Shi Liu

The shape memory effect and pseudoelasticity in Cu nanowires is one possible pair of mechanisms that prevents high aspect ratio nanosized field electron emitters to be stable at room temperature and permits their growth under high electric…

Materials Science · Physics 2016-04-22 Mihkel Veske , Stefan Parviainen , Vahur Zadin , Alvo Aabloo , Flyura Djurabekova

We have studied quantization and confinement effects in nanostructured superconductors. Three different types of nanostructured samples were investigated: individual structures (line, loop, dot), 1-dimensional (1D) clusters of loops and 2D…

Hydrogenated amorphous silicon (a-Si:H) is a material having an intrinsically high radiation hardness that can be deposited on flexible substrates like Polyimide. For these properties a-Si:H can be used for the production of flexible…

Thermal transport in nanostructures plays a critical role in modern technologies. As devices shrink, techniques that can measure thermal properties at nanometer and nanosecond scales are increasingly needed to capture transient,…

Controlling thermal energy transfer at the nanoscale has become critically important in many applications and thermal properties since it often limits device performance. In this work, we study the effects on thermal conductivity arising…

We report measurements of the resistance of silicon MOSFETs as a function of temperature in high parallel magnetic fields where the 2D system of electrons has been shown to be fully spin-polarized. A magnetic field suppresses the metallic…

Strongly Correlated Electrons · Physics 2009-10-31 K. M. Mertes , Hairong Zheng , S. A. Vitkalov , M. P. Sarachik , T. M. Klapwijk

This theoretical and numerical study investigates the impact of electrostatic stresses on the shape of charged water structures (grains) in weakly ionized plasmas. We developed an analytic model to predict the conditions under which a grain…

Plasma Physics · Physics 2025-05-13 Efstratios M. Kritikos , William A. Goddard , Paul M. Bellan

We perform scanning gate microscopy on individual suspended carbon nanotube quantum dots. The size and position of the quantum dots can be visually identified from the concentric high conductance rings. For the ultra clean devices used in…

Mesoscale and Nanoscale Physics · Physics 2015-08-25 Jiamin Xue , Rohan Dhall , Stephen B. Cronin , Brian J. LeRoy
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