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Displaying 1101 - 1125 of 4633

Trapping States of Mixed-Isomer Organic Semiconductors within Organic Field-Effect Transistors

December 14, 2016
Author(s)
Peter Diemer, Jacori Hayes, Evan Welchman, Rawad Hallani, Sujitra Pookpanratana, Christina Hacker, Curt A. Richter, Timo Thonhauser, Oana Jurchescu
… in OFETs due to isomer coexistence. The density of trapping states (DOS) within the bandgap of the semiconductor … a mixture of syn- and anti-isomers reveal a discrete trapping state detected as a peak located at 0.4 eV above the … Trapping States of Mixed-Isomer Organic Semiconductors within …

Mechanism of Dynamic NBTI of pMOSFETs

October 21, 2004
Author(s)
Baozhong Zhu, John S. Suehle, Joseph B. Berstein
… under pulsed bias conditions. A reduction of Vth and Ion is observed for pulse periods shorter than critical time … model is developed to explain the reduction of Vth and Ion as a function of pulse repetition frequency. …

Multi-configuration Dirac-Hartree-Fock calculations of forbidden transitions within the 3d^k ground configurations of highly charged ions (Z = 72 - 83)

February 21, 2017
Author(s)
Z.L. Zhao, K. Wang, S. Li, R. Si, C.Y. Chen, J. Yan, Yuri Ralchenko
… 3p^6 3d^k(k = 1−9) ground configurations of highly charged ions (Z = 72−83). Complete and consistent data sets of level … Dirac-Hartree-Fock calculations, highly charged ions, magnetic dipole transitions, electric quadrupole … within the 3d^k ground configurations of highly charged ions (Z = 72 - 83) …

Controlled transport of superparamagnetic beads with spin-valves

October 7, 2011
Author(s)
Wendy R. Altman, John M. Moreland, Stephen E. Russek, Bruce W. Han, Victor M. Bright
Trapping, release, and transport of individual or ensembles of 2.8 υm superparamagnetic beads functionalized with streptavidin were demonstrated using an addressable and non-volatile array of spin-valve (SV) traps integrated into a microfluidic channel

Evaluation of dome-input geometry for pyroelectric detectors

June 24, 2013
Author(s)
Jinan Zeng, Leonard M. Hanssen, George P. Eppeldauer
… infrared (NIR) to 20 μm. The reflective dome with shiny gold-coating has been known to be an efficient light trap to enhance the detector absorptance and to minimize … pyroelectric radiometers measured with/without dome-trap from 2.4 μm to 14 μm using the Infrared Spectral …

Manipulation and sorting of magnetic particles by a magnetic force microscope on a microfluidic magnetic trap platform

July 1, 2005
Author(s)
Elizabeth Mirowski, John M. Moreland, Arthur Zhang, Stephen E. Russek, Michael J. Donahue
… We have integrated a microfluidic magnetic trap platform with an external magnetic force microscope … by a nitride membrane that separates the arm and magnetic trap elements from the particle solution. This platform has … by a magnetic force microscope on a microfluidic magnetic trap platform …

Atomic vapor cells for chip-scale atomic clocks with improved long-term frequency stability

September 15, 2005
Author(s)
Svenja A. Knappe, Vladislav Gerginov, P Schwindt, V Shah, Leo W. Hollberg, John E. Kitching, Hugh Robinson
A novel technique for microfabricating alkali atom vapor cells is described, in which alkali atoms are evaporated into a micromachined cell cavity through a glass nozzle. A cell of interior volume 1 mm 3, containing 87Rb and a buffer gas, was made in this

Simultaneous neutron and X-ray tomography for ex-situ 3D visualization of graphite anode degradation from extremely fast-charged lithium-ion batteries

November 16, 2022
Author(s)
Maha Yusuf, Jacob LaManna, Partha Paul, David Agyeman-Budu, Chuntian Cao, Alison Dunlop, Andrew Jansen, Bryant Polzin, Stephen Trask, Tanvir Tanim, Eric Dufek, Vivek Thampy, Hans-Georg Steinruck, Michael Toney, Johanna Weker
… Extreme fast charging (XFC) of commercial lithium-ion batteries (LIBs) in ≤10-15 minutes will significantly … X-ray imaging, tomography, extreme-fast charging, lithium-ion batteries … anode degradation from extremely fast-charged lithium-ion batteries …

Bevel Depth Profiling SIMS for Analysis of Layer Structures

September 1, 2003
Author(s)
John G. Gillen, Scott A. Wight, P Chi, Albert J. Fahey, Jennifer R. Verkouteren, Eric S. Windsor, D. B. Fenner
… are evaluating the use of bevel depth profiling Secondary Ion Mass Spectrometry (SIMS) for the characterization of … the analytical sample with an oxygen or cesium primary ion beam in a commercial SIMS instrument. The elemental … the resulting bevel surface is then imaged with a focused ion beam in the same instrument. This approach offers maximum …

Plasma nanotexturing of silicon surfaces for photovoltaics applications: Influence of initial surface finish on the evolution of topographical and optical properties

November 27, 2017
Author(s)
Guillaume Fischer, Etienne Drahi, Martin Foldyna, Thomas Germer, Erik V. Johnson
Using a plasma to generate a surface texture with feature sizes on the order of nanometers ("nanotexturing") is a promising technique being considered for application in thin, high- efficiency crystalline silicon solar cells. This study investigates the

Magneto-optic trap using a reversible, solid-state alkali-metal source

June 6, 2019
Author(s)
Songbai Kang, Kaitlin R. Moore, James P. McGilligan, R. Mott, A. Mis, C. Roper, Elizabeth A. Donley, John E. Kitching
… cold-atom sensors. Here we demonstrate a magneto-optic trap (MOT) formed in conjunction with a reversible solid … Magneto-optic trap using a reversible, solid-state alkali-metal source …

Impact of Swapping Ethyl for Phenyl Groups on Diphosphine-Protected Undecagold

September 1, 2007
Author(s)
Justin Golightly, Lin Gao, A W. Castleman, Denis E. Bergeron, Jeffrey W. Hudgens, Rudolph Magyar, Carlos A. Gonzalez
… 1,3-Bis(diethylphosphino)propane (depp) protected gold clusters are synthesized and studied via electrospray … density functional theory, electrospray ionization, gold nanoparticle, mass spectroscopy, monolayer protected …
Displaying 1101 - 1125 of 4633
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