نتایج جستجو برای: nanoscale beam

تعداد نتایج: 135855  

Journal: :Nano Comm. Netw. 2010
Dongqing Cai Hong Zhang Yi Tang Paul K. Chu Zengliang Yu Zhengyan Wu

Ion beam bombardment, as a unique and facile technique, was found and developed to fabricate nano-networks from rigid nano-rods. To study the differences of their characteristics, attapulgite (ATP)was chosen as amodel. The results ofmethylene blue adsorption performance investigation demonstrated that attapulgite nano-networks (ATP-N) have better adsorption capability than the attapulgite nano-...

2016
Steven Barcelo Zhiyong Li

Nanoimprint lithography (NIL) is a compelling technique for low cost nanoscale device fabrication. The precise and repeatable replication of nanoscale patterns from a single high resolution patterning step makes the NIL technique much more versatile than other expensive techniques such as e-beam or even helium ion beam lithography. Furthermore, the use of mechanical deformation during the NIL p...

Journal: :Nanoscale 2009
Eugenii U Donev J Todd Hastings

We demonstrate here the first focused electron-beam-induced deposition (EBID) of nanostructures using a liquid precursor. We have deposited sub-50 nm platinum (Pt) wires and dots from a dilute, aqueous solution of chloroplatinic acid. Existing EBID processes rely on the electron-beam stimulated decomposition of gaseous precursors; as a result, the deposits are highly contaminated (up to 75 at. ...

2013
Carlos A. Jarro Eugenii U. Donev Mustafa Pinar Menguç Jeffrey Todd Hastings

Related Articles Benefits of plasma treatments on critical dimension control and line width roughness transfer during gate patterning J. Vac. Sci. Technol. B 31, 012205 (2013) The Si3N4/TiN Interface: 5. TiN/Si3N4 Grown and Analyzed In situ using Angle-resolved X-ray Photoelectron Spectroscopy Surf. Sci. Spectra 19, 72 (2012) Negative electron-beam resist hard mask ion beam etching process for ...

Journal: :Nanotechnology 2009
Myoung-Woon Moon Jun Hyun Han Ashkan Vaziri Eun Kyu Her Kyu Hwan Oh Kwang-Ryeol Lee John W Hutchinson

We show that focused ion beam irradiation results in the creation of peculiar one- and two-dimensional nanoscale features on the surface of polyimide-a common polymer in electronics, large scale structures, and the automobile industry, as well as in biomedical applications. The role of ion beam incident angle, acceleration voltage, and fluence on the morphology of the structural features is sys...

Journal: :Optics letters 2005
Andrey L Stepanov Joachim R Krenn Harald Ditlbacher Andreas Hohenau Aurelien Drezet Bernhard Steinberger Alfred Leitner Franz R Aussenegg

The present insight into plasmon effects on the nanoscale seems sufficiently advanced to allow the development of surface-plasmon-polariton- (SPP-) based optical devices. Therefore quantitative information describing SPP phenomena is required. We investigate a SPP beam splitter constituted by silver nanoparticles on a silver thin film, fabricated by electron-beam lithography. We acquire quantit...

K Rajabi, Sh Hosseini-Hashemi

It is well-known that the Interparticle interactions between adsorbates and surface of an adsorbent can affect the surface morphology. One of the consequences of this issue is that the resonant frequency of a nanoscale resonator can be changed due to adsorption. In this study we have chosen a cantilever-based nanoscale mass-sensor with a single nanoparticle at its tip. Using the classical...

2011
Jing Li Xiaoping Wu

In this paper a model of the trapping force on nanowires is built by three dimensional finite-difference time-domain (FDTD) and Maxwell stress tensor methods, and the tightly focused laser beam is expressed by spherical vector wave functions (VSWFs). The trapping capacities on nanoscale-diameter nanowires are discussed in terms of a strongly focused linearly polarized beam and radially polarize...

Journal: :ACS nano 2013
David M Kaz Connor G Bischak Craig L Hetherington Hannah H Howard Xavier Marti James D Clarkson Carolina Adamo Darrell G Schlom Ramamoorthy Ramesh Shaul Aloni D Frank Ogletree Naomi S Ginsberg

Demand for visualizing nanoscale dynamics in biological and advanced materials continues to drive the development of subdiffraction optical probes. While many strategies employ scanning tips for this purpose, we instead exploit a focused electron beam to create scannable nanoscale optical excitations in an epitaxially grown thin-film of cerium-doped yttrium aluminum perovskite, whose cathodolum...

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