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Displaying 726 - 750 of 4633

Light Scattering in Gold Nanorings

November 1, 2004
Author(s)
Javier Aizpurua, L A. Blanco, P Hanarp, D S. Sutherland, M Kall, Garnett W. Bryant, F J. de Abajo
… The optical response of gold nanoparticles of disk-like and ring-like shape is … Light Scattering in Gold Nanorings …

Energy dissipation of highly charged ions on Al oxide films

March 3, 2010
Author(s)
Joshua M. Pomeroy, Russell Lake, C E. Sosolik
… Slow highly charged ions carry a large amount of potential energy that can be … desorption. Our approach is to extract highly charged ions onto the Al oxide barriers of metal-insulator-metal … highly charged ions, potential energy, tunnel junctions … Energy dissipation of highly charged ions on Al oxide films …

Bottom-up Gold Filling of High Aspect Ratio Trenches

June 19, 2019
Author(s)
Stephen J. Ambrozik, Thomas P. Moffat, Daniel Josell, Chen Zhang, Houxian Miao
… Gold, Interconnect, Trench, Superfill, Superconformal … Bottom-up Gold Filling of High Aspect Ratio Trenches …

Ion Energy Distributions and Sheath Voltages in Radio-Frequency-Biased, Inductively-Coupled, High-Density Plasma Reactor

April 1, 1999
Author(s)
Mark A. Sobolewski, James K. Olthoff, Yicheng Wang
… Ion energy distributions were measured at a grounded surface … frequency, radial position, inductive source power, and ion mass. The ground sheath voltage which accelerates the … the measurements provide a complete characterization of ion dynamics in the sheath, allowing ion transit time effects …

High-speed, high-purity separation of gold nanoparticle-DNA origami constructs using centrifugation

July 23, 2014
Author(s)
Seung H. Ko, Luis F. Vargas Lara, Paul Patrone, Samuel Stavis, Francis W. Starr, Jack F. Douglas, James Alexander Liddle
… DNA origami is a powerful platform for assembling gold nanoparticle constructs, an important class of … products, readily achieving purities of > 90 %. The gold nanoparticles play a number of critical roles in our … is ultimately limited by the polydispersity in mass of the gold nanoparticles and by structural distortions of DNA …

Ultrathin Wetting Layer-Free Plasmonic Gold Films

October 3, 2019
Author(s)
Robert Lemasters, Cheng Zhang, Manoj Manjare, Wenqi Zhu, Junyeob Song, Sergei Urazhdin, Henri Lezec, Amit Agrawal, Hayk Harutyunyan
… Ultrathin gold films are attractive for plasmonic and metamaterial … requirements. We demonstrate wetting-layer free plasmonic gold films with thicknesses down to 3 nm obtained by … Ultrathin Wetting Layer-Free Plasmonic Gold Films …

First-principles modeling of gold adsorption on BeO (0001)

October 29, 2012
Author(s)
Shmuel Barzilai, Francesca M. Tavazza, Lyle E. Levine
… Gold nanowire chains are considered a good candidate for … Here, ab initio simulations of adsorption of one gold atom on cleaved BeO (0001) surfaces have been performed … First-principles modeling of gold adsorption on BeO (0001) …

Monitoring Photothermally Excited Nanoparticles via Multimodal Microscopy

May 19, 2010
Author(s)
Matthew L. Clarke, Shin G. Chou, Jeeseong Hwang
… induced by photothermally excited biologically relevant gold nanoshell clusters on the micrometer scale using two … quantum dots. The photo-induced heat flux from gold nanoshells is observed to be dependent on the dynamic … gold, fluorescence, nanoparticle, quantum dot, thermometry …

Frequency-comb spectroscopy on pure quantum states of a single molecular ion

March 27, 2020
Author(s)
Chin-wen Chou, Alejandra L. Collopy, Christoph Kurz, Yiheng Lin, Michael E. Harding, Philipp N. Plessow, Tara M. Fortier, Scott A. Diddams, Dietrich G. Leibfried, David R. Leibrandt
… techniques to prepare a single trapped molecular ion in a pure quantum state, drive terahertz rotational … spectroscopy on pure quantum states of a single molecular ion …

Frequency Measurements of Al+ and Hg+ Optical Standards

June 8, 2009
Author(s)
Wayne M. Itano, James C. Bergquist, Till P. Rosenband, David J. Wineland, David Hume, Chin-wen Chou, Steven R. Jefferts, Thomas P. Heavner, Tom Parker, Scott Diddams, Tara Fortier
… aluminum ion, mercury ion, optical frequency standards, time variation of fundamental constants, trapped ion frequency standards …

Heavy Ion Induced Soft Breakdown of Thin Gate Oxides

December 1, 2001
Author(s)
J. F. Conley, John S. Suehle, A. H. Johnston, Bin Wang, T Miyahara, Eric M. Vogel, J B. Bernstein
… Heavy ion induced soft and hard breakdown are investigated in thin … reliability, radiation effects, soft breakdown, heavy ion irradiation, microelectronics … Heavy Ion Induced Soft Breakdown of Thin Gate Oxides …

Selectable Resistance-Area Product by Dilute Highly Charged Ion Irradiation

August 13, 2007
Author(s)
Joshua M. Pomeroy, Holger Grube, A C. Perrella, John D. Gillaspy
… from a single process recipe using highly charged ion (HCI) irradiation. The HCI irradiation occurs after … tunnel barrier. The neutralization of the highly charged ion on the tunnel barrier surface (Xe44+) ablates a small … Selectable Resistance-Area Product by Dilute Highly Charged Ion Irradiation …

Relationship between Length and Surface-Enhanced Raman Spectroscopy signal Strength in Metal Nanoparticle Chains: Idea Models versus Nanofabrication

January 18, 2012
Author(s)
Angela R. Hight Walker, K. Stec, Shunpig Zhang, Hongxing Xu, Rene Lopez
… We have employed capillary force deposition on ion beam patterned substrates to fabricate chains of 60nm gold nanospheres ranging in length from 1 to 9 nanoparticles. … capillary force deposition, generalized Mie theory, gold nanoparticle, nanochain, Raman, SERS …

Measurement of Uranium-236 in Particles by Secondary Ion Mass Spectrometry

January 12, 2017
Author(s)
David S. Simons, John D. Fassett
… of the relative isotopic abundance by secondary ion mass spectrometry of 236U in uranium-containing material … hydride, isotope, isotopic abundance, particle, secondary ion mass spectrometry, SIMS, uranium … Measurement of Uranium-236 in Particles by Secondary Ion Mass Spectrometry …

Competitive Adsorption of Thiolated Polyethylene Glycol and Mercaptoproprionic acid on Gold Nanoparticles Measured by Physical Characterization Methods

May 24, 2010
Author(s)
De-Hao D. Tsai, Frank W. DelRio, Robert I. MacCuspie, Tae Joon Cho, Michael R. Zachariah, Vincent A. Hackley
… glycol (SH-PEG) and mercaptoproprionic acid (MPA) on gold nanoparticles (Au-NP) were studied using dynamic light … (DLS), electrospray, differential mobility analysis (DMA), gold, nanoparticle, polyethylene glycol (PEG), … Polyethylene Glycol and Mercaptoproprionic acid on Gold Nanoparticles Measured by Physical Characterization …

Estimation of the critical external heat leading to the failure of lithium-ion batteries

June 29, 2020
Author(s)
Wei Tang, Andy Tam, Liming Yuan, Thomas Dubaniewicz, Richard Thomas, John Soles
… critical external heat leading to the failure of lithium-ion (Li-ion) batteries was conducted using an Accelerating Rate … Safety and Health (NIOSH). Several types of commercial Li-ion batteries were selected, including iron phosphate Li-ion … Lithium-ion battery, Accelerating Rate Calorimetry, Heat to failure, …

Electron-Impact Total Ionization Cross Sections of Hydrocarbon Ions

February 1, 2002
Author(s)
Karl K. Irikura, Yong Sik Kim, M A. Ali
… 6 + , and H 3 O + . The cross sections for the hydrocarbon ions are needed for modeling cool plasmas in fusion devices. … , CH 4 + , electron-impact ionization, H 3 O + , molecular ions … Total Ionization Cross Sections of Hydrocarbon Ions …
Displaying 726 - 750 of 4633
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