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Search Publications

NIST Authors in Bold

Displaying 10876 - 10900 of 74220

Band offset and electron affinity of MBE-grown SnSe2

January 25, 2018
Author(s)
Qin Zhang, Mingda Li, Edward Lochocki, Suresh Vishwanath, Xinyu Liu, Rusen Yan, Huai-Hsun Lien, Malgorzata Dobrowolska, Jacek Furdyna, Kyle M. Shen, Guangjun Cheng, Angela R. Hight Walker, David J. Gundlach, Huili G. Xing, Nhan V. Nguyen
SnSe2 is currently considered a potential 2D material that can form a near-broken gap heterojunction in a tunnel field-effect transistor (TFET) due to its conceivable large electron affinity, which is experimentally confirmed in this letter. With the

Comparisons of Analytical Approaches for Determining Shell Thicknesses of Core-Shell Nanoparticles by X-ray Photoelectron Spectroscopy

January 25, 2018
Author(s)
Cedric J. Powell, Wolfgang Werner, Henryk Kalbe, Alexander Shard, David G. Castner
We assessed two approaches for determining shell thicknesses of core-shell nanoparticles (NPs) by X-ray photoelectron spectroscopy. These assessments were based on simulations of photoelectron peak intensities for Au-core/C-shell, C-core/Au-shell, Cu-core

Glycerol Hydrogen-Bonding Network Dominates Structure and Collective Dynamics in a Deep Eutectic Solvent

January 25, 2018
Author(s)
Antonio Faraone, Durgesh V. Wagle, Gary A. Baker, E. C. Novak, M. Ohl, D. Reuter, Peter Lunkenheimer, A. Loidl, Eugene Mamontov
The deep eutectic solvent glyceline formed by choline chloride and glycerol in 1:2 molar ratio is much less viscous compared to glycerol, which facilitates its use in many applications where high viscosity is undesirable. Despite the large difference in

Flammability: A Continuum Vs. Discrete Boundary

January 24, 2018
Author(s)
Gregory T. Linteris
The goals of this talk are: 1.) Understand that flammability behavior is device/configuration dependent, and 2.) Understand the features that influence the flammability behavior of a fuel-air mixture.

Maxwell-Hall access resistance in graphene nanopores

January 24, 2018
Author(s)
Subin Sahu, Michael P. Zwolak
The resistance due to the convergence from bulk to a constriction -- e.g., a nanopore -- is a mainstay of transport phenomena. In classical electrical conduction, Maxwell -- and later Hall for ionic conduction -- predicted this access or convergence

Security Recommendations for Hypervisor Deployment on Servers

January 23, 2018
Author(s)
Ramaswamy Chandramouli
The Hypervisor is a collection of software modules that provides virtualization of hardware resources (such as CPU/GPU, Memory, Network and Storage) and thus enables multiple computing stacks (basically made of an OS and Application programs) called

Weak localization thickness measurements of embedded phosphorus delta layers in silicon produced by PH3 dosing

January 23, 2018
Author(s)
Joseph A. Hagmann, Xiqiao Wang, Pradeep N. Namboodiri, Jonathan E. Wyrick, Roy E. Murray, Michael D. Stewart, Richard M. Silver
The key building blocks for devices based on the deterministic placement of dopants in silicon are the formation of phosphorus dopant monolayers and the overgrowth of high quality crystalline Si. Lithographically defined dopant delta-layers can be formed

Identifying spurious modes in RF-MEMS resonators using photoelastic imaging

January 21, 2018
Author(s)
Vikrant J. Gokhale, Jason J. Gorman
This paper reports the first use of dynamic photoelastic imaging for identifying in-plane vibration modes in high-frequency MEMS resonators. In a set of width-extensional mode resonators (WE-BARs), we map fundamental width-extensional modes and unwanted

Parametric resonance in linear microresonators using analog feedback

January 21, 2018
Author(s)
Jason J. Gorman, Vikrant J. Gokhale
This paper reports on the design and implementation of an analog feedback controller for generating parametric resonance in linear microresonators that do not intrinsically demonstrate this phenomenon. It is shown that the controller produces a fundamental

Chapter 2 : Failure Modes, Likelihood, and Consequences

January 20, 2018
Author(s)
Kuldeep R. Prasad
The general purpose of underground gas storage (UGS) is to meet varying demand for natural gas (methane, CH4) over daily to seasonal time scales in the face of constant rate gas production and limited pipeline transport capacity. In California, UGS is used

Methods for Quantitative Infrared Directional-Hemispherical and Diffuse Reflectance Measurements Using a Fourier Transform Spectrometer and a Commercial Integrating Sphere

January 20, 2018
Author(s)
Leonard M. Hanssen, Thomas A. Blake, TImothy J. Johnson, Russell G. Tonkyn, Brenda M. Forland, Tanya L. Myers, Carolyn S. Brauer, Yin-Fong Su, Bruce E. Bernacki
Infrared integrating sphere measurements of solid samples are important in providing reference data for contact, standoff and remote sensing applications. At the Pacific Northwest National Laboratory (PNNL) we have developed protocols to measure both the

Thermodynamic Analysis of Classical and Quantum Search Algorithms

January 19, 2018
Author(s)
Ray A. Perlner, Yi-Kai Liu
We analyze the performance of classical and quantum search algorithms from a thermodynamic perspective, focusing on resources such as time, energy, and memory size. We consider two examples that are relevant to post-quantum cryptography: Grover's search

A NIST Testbed Approach to Verifying mmWave Wireless Communication Signals

January 18, 2018
Author(s)
Catherine A. Remley, Dylan F. Williams, Robert D. Horansky
This presentation discusses NIST methods for providing traceable modulated signals at microwave and millimeter-wave frequencies in both conducted and free-field environments. It was presented at the 3rd NSF mmWave Research Coordination Network Workshop in

Recommendations for assessing commutability part 1: general experimental design

January 18, 2018
Author(s)
Johanna Camara, W. Greg Miller, Schimmel Heinz, Neil Greenberg, Chris Burns, Vincent Delatour, Mauro Panteghini, Hubert W. Vesper, Robert Rej, Ferruccio Ceriotti, Gerhard Schumann, Jeffrey R. Budd, Weykamp Cas, Goran Nilsson, Finlay MacKenzie, Thomas Keller
Commutability is a property of a reference material that relates to the closeness of agreement between results for a reference material and results for clinical samples when measured by two or more measurement procedures. Commutability of reference

Recommendations for assessing commutability part 2: based on the difference in bias between a reference material and clinical samples

January 18, 2018
Author(s)
Johanna Camara, Goran Nilsson, Jeffrey R. Budd, Neil Greenberg, Vincent Delatour, Gerhard Schumann, Robert Rej, Mauro Panteghini, Ferruccio Ceriotti, Schimmel Heinz, Weykamp Cas, Thomas Keller, Chris Burns, Finlay MacKenzie, W. Greg Miller
A process is described to assess the commutability of a reference material intended for use as a calibrator, trueness control or external quality assessment sample based on the difference in bias between a reference material and clinical samples measured
Displaying 10876 - 10900 of 74220