Journals

Helical Level Structure of Dirac Potential Wells

November 28, 2017

Author(s)

Daniel T. Walkup, Joseph A. Stroscio

In graphene and other massless 2D Dirac materials, Klein tunneling compromises electron confinement, and momentum-space contours can be assigned a Berry phase...

Tunable Low Density Palladium Nanowire Foams

November 28, 2017

Author(s)

Dustin Allen Gilbert, Edward C. Burks, Sergey V. Ushakov, Patricia Abellan, Ilke Arslan, Thomas E. Felter, Alexandra Navrotsky, Kai Liu

Contributions of precision engineering to the revision of the SI

November 28, 2017

Author(s)

Stephan Schlamminger, Harald Bosse, Horst Kunzmann, Jon R. Pratt, Ian Robinson, Michael de Podesta, Paul Shore, Paul Morantz

All measurements performed in science and industry are based on the International System of Units, the SI. It has been proposed to revise the SI following an...

Probing the dielectric response of the interfacial buffer layer in epitaxial graphene via optical spectroscopy

November 28, 2017

Author(s)

Heather M. Hill, Albert Rigosi, Sugata Chowdhury, Yanfei Yang, Nhan Van Nguyen, Francesca Tavazza, Randolph Elmquist, David B. Newell, Angela R. Hight Walker

Monolayer epitaxial graphene (EG) is a suitable candidate for a variety of electronic applications. One advantage of EG growth on the Si face of SiC is that it...

Multimodality of Structural, Electrical, and Gravimetric Responses of Intercalated MXenes to Water

November 28, 2017

Author(s)

Eric S. Muckley, Michael Naguib, Hsiu-Wen Wang, Lukas Vlcek, Naresh C. Osti, Robert L. Sacci, Xiahan Sang, Raymond R. Unocic, Yu Xie, Madhu Sudan Tyagi, Eugene Mamontov, Katharine L. Page, Paul R. C. Kent, Jagjit Nanda, Ilia N. Ivanov

Understanding of structural, electrical and gravimetric peculiarities of water vapor interaction with ion-intercalated MXenes used to design of a multimodal...

Phase noise measurements with a cryogenic power-splitter to minimize the cross-spectral collapse effect

November 27, 2017

Author(s)

Archita Hati, Craig W. Nelson

We report an accurate measurement of the phase noise of a thermally limited electronic oscillator at 300 K. By thermally limited we mean that the white signal...

Neutron and X-ray Tomography (NeXT) system for simultaneous, dual modality tomography

November 27, 2017

Author(s)

Jacob M. LaManna, Daniel S. Hussey, Elias M. Baltic, David L. Jacobson

Dual mode tomography offers the potential of improved estimation of the composition of a sample from the complimentary of the interaction of the two probes with...

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...

Pressure Tuning of Collapse of Helimagnetic Structure in Au₂Mn

November 27, 2017

Author(s)

I Lin NMN Liu, Maria J. Pascale, Juscelino Leao, Craig Brown, William D. Ratcliff, Qingzhen Huang, Nicholas Butch

We identify the phase boundary between spiral spin and ferromagnetic phases in Au 2Mn at a critical pressure of 16.4 kbar, as determined by neutron diffraction...

Lieb-Robinson bounds on n-partite connected correlation functions

November 27, 2017

Author(s)

Minh Tran, James R. Garrison, Zhe-Xuan Gong, Alexey Gorshkov

Two-Dimensional Strain-Mapping by Electron Backscatter Diffraction and Confocal Raman Spectroscopy

November 27, 2017

Author(s)

Andrew J. Gayle, Lawrence Henry Friedman, Ryan Beams, Brian G. Bush, Yvonne B. Gerbig, Chris A. Michaels, Mark D. Vaudin, Robert F. Cook

The strain field surrounding a spherical indentation in silicon is mapped in two dimensions (2- D) using electron backscatter diffraction (EBSD) cross...

An Extension of the Systems Modeling Language for Physical Interaction and Signal Flow Simulation

November 24, 2017

Author(s)

Conrad E. Bock, Raphael Barbau, Ion Matei, Mehdi Dadfarnia

Computer-interpretable representations of system structure and behavior are at the center of developing today's complex systems. Systems engineers create and...

Enthalpy-driven Micellization of Oligocarbonate-Fluorene End-Functionalized Poly(ethylene glycol)

November 24, 2017

Author(s)

Vivek M. Prabhu, Guangmin Wei, Shrinivas Venkataraman, Yi Yan Yang, James Hedrick

Fluorescent pyrene probe method was employed to measure critical micelle concentration (CMC) of oligocarbonate-fluorene end-functionalized poly(ethylene glycol)...

CRITICALLY EVALUATED SPECTRAL DATA FOR NEUTRAL CARBON (C I)

November 22, 2017

Author(s)

Haris Kunari, Alexander Kramida

In this critical compilation, all known to us experimental data on the spectrum of neutral carbon were methodically evaluated and supplemented by parametric...

Low-Loss Reciprocal Optical Terminals for Two-Way Time-Frequency Transfer

November 22, 2017

Author(s)

William C. Swann, Laura C. Sinclair, Isaac H. Khader, Nathan R. Newbury, Jean-Daniel Deschenes, Hugo Bergeron

Optical two-way time-frequency transfer (O-TWTFT) over atmospheric free-space paths requires low- loss, single-mode, bi-directional and fully reciprocal optical...

Clustering and Percolation in Suspensions of Carbon Black

November 22, 2017

Author(s)

Jeffrey J Richards, Julie Beth Hipp, John K Riley, Norman J. Wagner, Paul Butler

High-structured carbon fillers are ubiquitous as the conductive additive comprising suspension-based electrochemical storage technologies. Carbon black networks...

Experimental Aspects of Buoyancy Correction in Measuring Reliable High-Pressure Excess Adsorption Isotherms using the Gravimetric Method

November 21, 2017

Author(s)

Huong Giang T. Nguyen, Jarod C. Horn, Matthias Thommes, Roger D. van Zee, Laura Espinal

Development of a new densimeter for the combined investigation of dew-point densities and sorption phenomena of fluid mixtures

November 21, 2017

Author(s)

Katharina Moritz, Reiner Kleinrahm, Mark O. McLinden, Markus Richter

For the determination of dew-point densities and pressures of fluid mixtures, a new densimeter has been developed. The new apparatus is based on the well...

Hylleraas-Configuration Interaction study of the singlet S ground state of the negative Li ion

November 20, 2017

Author(s)

James S. Sims

In a previous work Sims and Hagstrom [J. Chem. Phys. 140,224312 (2014)] reported Hylleraas- Configuration Interaction (Hy-CI) method variational calculations...

Two-dimensional imaging and modification of nanophotonic resonator modes using a focused ion beam

November 20, 2017

Author(s)

William R. McGehee, Thomas Michels, Vladimir A. Aksyuk, Jabez J. McClelland

We report 2D imaging of the optical mode intensity of silicon microdisk resonators using a pulsed, low-energy focused ion beam of Li+. The ion beam locally...

Full four-dimensional and reciprocal Mueller matrix bidirectional reflectance distribution function of sintered polytetrafluoroethylene

November 20, 2017

Author(s)

Thomas A. Germer

We measured the Mueller matrix bidirectional reflectance distribution function (BRDF) of a sintered polytetrafluoroethylene (PTFE) sample over the scattering...

Combining fragment ion and neutral loss matching during mass spectral library searching: A new general-purpose algorithm applicable to illicit drug identification

November 20, 2017

Author(s)

Arun S. Moorthy, William E. Wallace, Anthony J. Kearsley, Dmitrii V. Tchekhovskoi, Stephen E. Stein

A mass spectral library search algorithm that identifies compounds that differ from library compounds by a single inert structural component is described...

String-like Collective Motion and Diffusion in the Interfacial Region of Ice

November 20, 2017

Author(s)

Jack F. Douglas, Hao Zhang, Xuhang Tong, Xinyi Wang

We investigate the collective molecular motions and diffusion of water molecules in the mobile interfacial region of the secondary prismatic plane of hexagonal...

Clustering and Percolation in Suspensions of Carbon Black

November 17, 2017

Author(s)

Jeffrey J Richards, Julie Hipp, John K Riley, Norman J. Wagner, Paul Butler

In situ measurements are an increasingly important tool to inform the complex relationship between nanoscale properties and macroscopic measurements. These...

LipidQC: Method Validation Tool for Visual Comparison to SRM 1950 Using NIST Interlaboratory Comparison Exercise Lipid Consensus Mean Estimate Values

November 17, 2017

Author(s)

Candice Z. Ulmer, Jared Ragland, Jeremy P. Koelmel, N. Alan Heckert, Christina Jones, Timothy J. Garrett, Richard A. Yost, John Bowden

As advances in analytical separation techniques, mass spectrometry instrumentation, and data processing platforms continue to spur growth in the lipidomics...

Steps to Achieve Quantitative Measurements of microRNA Using Two Step Droplet Digital PCR

November 16, 2017

Author(s)

Erica V. Stein, David L. Duewer, Natalia Farkas, Erica L. Romsos, Lili Wang, Kenneth D. Cole

Sketchnote summary of "The Backscattering Story: A Personal View"

November 16, 2017

Author(s)

Robert M. Dimeo

In August 2014, Dr. Anton Heidemann published a short, personal history of the development of neutron backscattering. His fascinating article 1 described the...

Temperature dependent 29Si incorporation during deposition of highly enriched 28Si films

November 16, 2017

Author(s)

Kevin J. Dwyer, Hyun S. Kim, David S. Simons, Joshua M. Pomeroy

In this study, we examine the mechanisms leading to 29Si incorporation into highly enriched 28Si films deposited by hyperthermal ion beams at elevated...

Coupling of emergent octahedral rotations to polarization in (K,Na)NbO3

November 15, 2017

Author(s)

Igor Levin, Victor Krayzman, Matt Tucker, M. G. Tucker, Giannantonio Cibin, Maksim Eremenko, Karena Chapman, Rick Paul

Crystallography of Functional Materials (Editorial Comments)

November 15, 2017

Author(s)

Winnie K. Wong-Ng, Claudia J. Rawn

The goal of this special issue is to obtain new insights into the roles of crystallography in functional materials. This special issue consists of eight...