Journals

Structural and optical nanoscale analysis of GaN core-shell microrod arrays fabricated by combined top-down and bottom-up process on Si (111)

May 15, 2016

Author(s)

Sergiy Krylyuk, Marcus Muller, Gordon Schmidt, Sebastian Metzner, Peter Veit, Frank Bertram, Ratan K. Debnath, Jong Yoon Ha, Baomei Wen, Paul T. Blanchard, Alexana Roshko, Abhishek Motayed, Matthew R. King, Albert Davydov, Jurgen Christen

Large arrays of GaN core-shell microrods were fabricated on Si(111) substrates applying a combined bottom-up and top-down approach which includes inductively

The Relative Diffusive Transport Rate of Srl₂ in Water Changes over the Nanometer Length Scale as Measured by Coherent Quasielastic Neutron Scattering

May 14, 2016

Author(s)

Kenneth A. Rubinson, Antonio Faraone

X-ray and neutron scattering have been used to provide insight into the structures of ionic solutions for over a century, but the probes have covered distances

High Methane Storage and Working Capacities in a NbO-Type Metal-Organic Framework

May 14, 2016

Author(s)

Chengling Song, Huimin Liu, Jingjing Jiao, Dongjie Bai, Wei Zhou, Taner N. Yildirim, Yabing He

To improve methane adsorption by pore structure optimization, we developed a new organic linker and used it to construct a NbO-type metal-organic framework ZJNU

Use of the Bethe Equation for Inner-Shell Ionization by Electron Impact

May 13, 2016

Author(s)

Cedric J. Powell, Xavier Llovet, Francesc Salvat

We analyzed calculated cross sections for K-, L-, and M-shell ionization by electron impact to determine the energy ranges over which these cross sections are

Comparison measurements of low-pressure between a laser refractometer and ultrasonic manometer

May 13, 2016

Author(s)

Patrick F. Egan, Jack A. Stone Jr., Jacob E. Ricker, Jay H. Hendricks

We have developed a new low-pressure sensor which is based on the measurement of (nitrogen) gas refractivity inside a Fabry-Perot (FP) cavity. We compare

Highly Transparent, Mesoporous Wood Composite with High Optical Haze for Solar Cells

May 13, 2016

Author(s)

Mingwei Zhu, Tian Li, Chelsea S. Davis, Yonggang Yao, Jiaqi Dai, Yanbin Wang, Feras ALQatari, Lianngbing Hu, Jeffrey W. Gilman

Transition from Sign-Reversed to Sign-Preserved Cooper-Paring Symmetry in Sulfur-Doped Iron Selenide Superconductors

May 13, 2016

Author(s)

Qisi Wang, J. T. Park, Yu Feng, Yao Shen, Yiqing Hao, Bingying Pan, Jeffrey W. Lynn, A. Ivanov, Songxue Chi, M. Matsuda, Huibo Cao, R. J. Birgeneau, D.V. Efremov, Jun Zhao

An essential step toward elucidating the mechanism of superconductivity is to determine the sign/phase of superconducting order parameter, as it is closely

Elemental Sulfur and Molybdenum Disulfide Composites for Li-S Batteries with Long Cycle Life and High-Rate Capability

May 12, 2016

Author(s)

Vladimir P. Oleshko, Christopher L. Soles, Philip T. Dirlam, Jungjin Park, Adam G. Simmonds, Kenneth Domanik, Kookheon Char, Richard Glass, Nicola Pinna, Yung-Eun Sung

The development of next-generation battery systems beyond Li-ion technology remains a crucial challenge in accommodating the evolving energy storage demands

Traceability Considerations for the Characterization and Use of Measuring Systems

May 12, 2016

Author(s)

Charles D. Ehrlich

There are several different ways that measuring systems (which include measuring instruments) can be characterized, including calibration, adjustment, and

Pattern-Directed Phase Separation of Polymer-Grafted Nanoparticles in a Homopolymer Matrix

May 12, 2016

Author(s)

Ren Zhang, Bongjoon Lee, Michael R. Bockstaller, Sanat K. Kumar, Christopher Stafford, Jack F. Douglas, Dharmaraj Raghavan, Alamgir Karim

The controlled organization of nanoparticle (NP) constituents into superstructures of well- defined shape, composition and connectivity represents a continuing

Non-destructive evaluation of a new hydrolytically degradable and photo-clickable PEG hydrogel for cartilage tissue engineering

May 11, 2016

Author(s)

Alexander J. Neumann, Timothy Quinn, Stephanie J. Bryant

Photopolymerizable and hydrolytically labile poly(ethylene glycol) (PEG) hydrogels formed from photo-clickable reactions were investigated as cell delivery

An objectively-analyzed method for measuring the useful penetration of x-ray imaging systems

May 11, 2016

Author(s)

Jack L. Glover, Lawrence T. Hudson

The ability to detect wires is an important capability of the cabinet x-ray imaging systems that are used in aviation security as well as the portable x-ray

Uncertainty of Error: The Error Dilemma

May 11, 2016

Author(s)

Charles D. Ehrlich

Measurement error has historically been defined in the metrology community as a difference of 'values,' usually as a difference between a 'measured value' and a

Kaleidoscope of quantum phases in a long-range interacting spin-1 chain

May 11, 2016

Author(s)

Zhe-Xuan Gong, Mohammad F. Maghrebi, Anzi A. Hu, Michael S. Foss-Feig, Phil Richerme, Christopher Monroe, Alexey Gorshkov

Synthesis, Fabrication, and Heterostructure of Charged, Substituted Polystyrene Multilayer Dielectrics and Their Effects in Pentacene Transistors

May 10, 2016

Author(s)

Olivia J. Alley, Evan Plunkett, Tejaswini S. Kale, Xin Guo, Grace McClintock, Manasa Bhupathiraju, Brian Kirby, Daniel H. Reich, Howard E. Katz

Charge trapping and storage in polymer dielectric can be harnessed for the control of semiconductor device behavior, including organic transistors. For example

Enhancing Single-Wall Carbon Nanotube Properties Through Controlled Endohedral Filling

May 10, 2016

Author(s)

Jochen I. Campo, Yanmei Piao, Stephanie Lam, Christopher Stafford, Jason K. Streit, Jeffrey R. Simpson, Angela R. Hight Walker, Jeffrey Fagan

Chemical control of the endohedral volume of single-wall carbon nanotubes (SWCNTs) via liquid-phase filling is demonstrated to be a facile strategy to

Real-Time, Single Molecule Electronic DNA Sequencing by Synthesis Using Polymer Tagged Nucleotides on a Nanopore Array

May 10, 2016

Author(s)

Carl Fuller, Shiv Kumar, Mintu Porel, Michen Chien, Arek Bibillo, P. B. Stranges, Michael Dorwart, Chuanjua Tao, Zengmin Li, Wenjing Guo, Shundi Shi, Daniel Korenblum, Andrew Trans, Anne Aguirre, Edward Liu, Takeshi Harada, James Pollard, Ashwini Bhat, Cynthia Cech, Alexander Yang, Cleoma Spilman, Mirko Palla, Jennifer Hovis, Roger Chen, Irina Morozova, Sergey Kalachikov, James Russo, John J. Kasianowicz, Stefan Roever, George Church, Jingyue Ju

DNA sequencing by synthesis (SBS) offers a robust platform to decipher nucleic acid sequences. Recently, we developed a single molecule nanopore-based SBS

Raman analysis of bond conformations in the rotator and premelting states of normal alkanes

May 9, 2016

Author(s)

Anthony P. Kotula, Angela R. Hight Walker, Kalman D. Migler

We perform Raman spectroscopic measurements on normal alkanes (C nH 2n+2) with 21 {less than or equal to} n {less than or equal to} 60 with a specific focus on

Dynamic Onset of Feynman Relation in the Phonon Regime

May 9, 2016

Author(s)

Lu Deng, Edward W. Hagley, Yan Li, Chengjie Zhu

The Feynman relation 1, a much celebrated condensed matter physics gemstone for more than 70 years, predicts that the density excitation spectrum and structure

Optical design and initial Results from NISTs AMMT/TEMPS Facility

May 9, 2016

Author(s)

Steven E. Grantham, Brandon M. Lane, Jorge E. Neira, Sergey Mekhontsev, Leonard M. Hanssen, Mihaela Vlasea

NISTs Physical Measurement and Engineering Laboratories are jointly developing the Additive Manufacturing Measurement Testbed (AMMT)/ Temperature and Emittance

High Thermopower with Metallic Conductivity in p-Type Li-Substituted PbPdO₂

May 9, 2016

Author(s)

Leo K. Lamontagne, Geneva Laurita, Michael W. Gaultois, Michael Knight, Leila Ghadbeigi, Taylor D. Sparks, Markus E. Gruner, Rossitza Pentcheva, Craig Brown, Ram Seshadri

PbPdO 2 is a band semiconductor with a band gap arising from the filled d 8 nature of square-planar Pd 2+. We establish that hole doping through Li substitution

High Thermopower with Metallic Conductivity in p/p}-Type Li-Substituted PbPdO₂

May 9, 2016

Author(s)

Leo K. Lamontagne, Geneva Laurita, Michael W. Gaultois, Michael Knight, Leila Ghadbeigi, Taylor D. Sparks, Markus E. Gruner, Craig Brown, Ram Seshadri

Early age hydration kinetics of Portland cement with pozzolanic volcanic ash was examined using quasi-elastic neutron scattering. Volcanic ash consisting of two

Detecting leaks in gas-filled pressure vessels using acoustic resonances

May 6, 2016

Author(s)

Keith A. Gillis, Michael R. Moldover, James B. Mehl

We demonstrate that a leak from a large, unthermostatted pressure vessel into ambient air can be detected an order of magnitude more effectively by measuring

In-depth Characterization and Spectral Library Building of Glycopeptides in the Tryptic Digest of a Monoclonal Antibody Using 1D and 2D LC/MS-MS

May 6, 2016

Author(s)

Qian Dong, Xinjian Yan, Yuxue Liang, Stephen E. Stein

This work presents a detailed analysis of glycopeptides produced in the tryptic digestion of an IgG biologic drug reference material. Analysis was done by

Machine learning in materials science: Recent progress and emerging applications

May 6, 2016

Author(s)

Aaron G. Kusne, Tim Mueller, Ramamurthy Ramprasad

Realizing Exactly Solvable SU(N) Magnets with Thermal Atoms

May 6, 2016

Author(s)

Michael Beverland, Gorjan Alagic, Michael Martin, Andrew Koller, Ana Maria Rey, Alexey Gorshkov

We show that n thermal fermionic alkaline-earth atoms in a flat-bottom trap allow one to robustly implement a spin model displaying two symmetries: the Sn

A rheological signature of frictional interactions in shear thickening suspensions

May 5, 2016

Author(s)

John R. Royer, Daniel L. Blair, Steven D Hudson

Understanding shear thickening presents a significant challenge in colloidal physics. As the applied shear pushes particles into close contact, the macroscopic

Angularly-Selective Transmission Imaging in a Scanning Electron Microscope

May 5, 2016

Author(s)

Jason D. Holm, Robert R. Keller

This contribution presents recent advances in imaging control conditions for transmission scanning electron microscopy (t-SEM) by means of angularly-selective

Understanding and Control of Bipolar Doping in Copper Nitride

May 5, 2016

Author(s)

Angela N. Fioretti, Craig P. Schwartz, John Vinson, Dennis Nordlund, David Prendergast, Adele C. Tamboli, Filip Tuomisto, Stephan Lany, Eric S. Toberer, Andriy Zakutayev

Semiconductor materials that can be doped both n-type and p-type are desirable for diode-based applications and transistor technology. Copper nitride (Cu3N) is

Coherent cavity-enhanced dual-comb spectroscopy

May 4, 2016

Author(s)

Adam J. Fleisher, David A. Long, Zachary D. Reed, David F. Plusquellic, Joseph T. Hodges

Multiheterodyne spectroscopy performed with two stabilized optical frequency combs (OFCs) has shown great potential as a fast, accurate, and high-resolution