Journals

Predicting detection performance on security X-ray images as a function of image quality

January 31, 2019

Author(s)

Praful Gupta, Zeina Sinno, Jack L. Glover, Nicholas Paulter, Alan C. Bovik

Progress and Challenges in Ocean Metaproteomics and Proposed Best Practices for Data Sharing

January 31, 2019

Author(s)

Mak Saito, Erin Bertrand, Megan Duffy, David Gaylord, Noelle Held, Judson Harvey, Robert Hettich, Pratik Jagtap, Michael G. Janech, Danie Kinkade, Dasha Leary, Matt McIlvin, Eli Moore, Robert Morris, Ben Neely, Brook Nunn, Jaclyn Sanders, Adam Shepherd, Nick Symmonds, David Walsh

Ocean metaproteomics is an emerging field that provides an exciting new datatype with potential to enable discoveries regarding marine microbial communities and...

Understanding Material Characteristics through Signature Traits from He Pycnometry

January 30, 2019

Author(s)

Huong Giang T. Nguyen, Jarod C. Horn, Matthew Bleakney, Daniel W. Siderius, Laura Espinal

Although helium pycnometry is generally the method of choice for skeletal density measurements of porous materials, few studies have provided a wide range of...

First observation with global network of optical atomic clocks aimed for a dark matter detection

January 30, 2019

Author(s)

P. Wcislo, P. Ablewski, Kyle Beloy, S. Bilicki, M. Bober, Roger Brown, Robert J. Fasano, R. Ciurylo, H. Hachisu, T. Ido, J. Lodewyck, Andrew Ludlow, Will McGrew, P. Morzynski, Daniele Nicolodi, Marco Schioppo, M. Sekido, R. Le Targat, P. Wolf, Xiaogang Zhang, B. Zjawin, M. Zawada

We report on the first earth-scale quantum sensor network based on optical atomic clocks aimed at dark matter (DM) detection. Exploiting differences in the...

Nanoscale deformation in polymers revealed by single-molecule super-resolution localization-orientation microscopy

January 30, 2019

Author(s)

Muzhou Wang, James M. Marr, Marcelo I. Davanco, Jeffrey W. Gilman, James Alexander Liddle

Single-molecule super-resolution microscopy has attracted interest in materials science because of its ability to non-invasively explore nanostructures in real...

Single-blind quantification of natural gas leaks from 1 km distance using frequency combs

January 29, 2019

Author(s)

Caroline Alden, Sean Coburn, Robert J. Wright, Esther Baumann, Kevin Cossel, Kuldeep Prasad, Ian Coddington, Gregory B. Rieker

Cys.sqlite: A structured-information approach to the comprehensive analysis of cysteine disulfide bonds in the Protein Databank

January 29, 2019

Author(s)

Theodore L. Fobe, Andrei F. Kazakov, Demian Riccardi

Cysteine is a multifaceted amino acid that is central to the structure and function of many proteins. A disulfide bond formed between two cysteines restrains...

Upstream vortex and elastic wave in the viscoelastic flow around a confined cylinder

January 28, 2019

Author(s)

Boyang Qin, Paul Salipante, Steven Hudson, Paulo E. Arratia

The viscoelastic flow past cylinder is a classic benchmark problem that is not completely understood. Using novel holographic particle velocimetry, we report...

Structural, chemical, electrical and thermal properties of n-type NbFeSb

January 26, 2019

Author(s)

Dean Hobbis, Raphael P. Hermann, Hsin Wang, David S. Parker, Tribhuwan Pandey, Joshua B. Martin, Katharine L. Page, George S. Nolas

We report on the structural, chemical, electrical and thermal properties of n-type polycrystalline NbFeSb synthesized by induction melting of the elements...

The quantum Zeno paradox, 42 years on

January 25, 2019

Author(s)

Wayne M. Itano

The term 'quantum Zeno paradox' or 'quantum Zeno effect' refers to the slowing down of the evolution of a quantum system as it is observed more and more...

MoS2 cleaning by acetone and UV-Ozone: Geological vs. synthetic material (Letter)

January 25, 2019

Author(s)

Keren M. Freedy, Sales G. Maria, Sergiy Krylyuk, Albert Davydov, Stephen J. McDonnell

The effects of poly(methyl methacrylate) PMMA removal procedures on the surface chemistry of both geological and chemical vapor deposited (CVD) MoS2 are...

Progress Towards Standards for Quantitative MRI (qMRI) and Outstanding Needs

January 24, 2019

Author(s)

Kathryn E. Keenan, Joshua R. Biller, Michael A. Boss, Adele P. Peskin, Karl F. Stupic, Stephen E. Russek, Jana Delfino, Mark Does, Jeffrey L. Evelhoch, Mark Griswold, Jeffrey Gunter, R Scott Hinks, Stuart Hoffman, Geena Kim, Riccardo Lattanzi, Xiaojuan Li, Luca Marinelli, Pratik Mukherjee, Robert J. Nordstrom, Elena Perez, Berkman Sahiner, Natalie J. Serkova, Amita Shukla-Dave, Michael Steckner, Lisa J. Wilmes, Holden Wu, Huiming Zhang, Edward F. Jackson, Daniel Sullivan

The National Institute of Standards and Technology (NIST) MRI Standards project held a one-day workshop on August 4, 2017 on campus in Boulder, CO. The goal of...

Trapped Ion Quantum Information Processing with Squeezed Phonons

January 24, 2019

Author(s)

Wenchao Ge, Brian Sawyer, Joseph W. Britton, Kurt Jacobs, John Bollinger, Michael Foss-Feig

Trapped ions offer a pristine platform for quantum computation and simulation, but improving their coherence remains a crucial challenge. Here, we propose and...

Mechanosensitive ion permeation across sub-nanoporous MoS2 monolayers

January 23, 2019

Author(s)

Alta Y. Fang, Kenneth Kroenlein, Alexander Smolyanitsky

We use all-atom molecular dynamics simulations informed by density functional theory calculations to investigate aqueous ion transport across subnanoporous...

Quantum-state-resolved studies of aqueous evaporation dynamics: NO ejection from a liquid water microjet

January 23, 2019

Author(s)

Mikhail Ryazanov, David Nesbitt

Impedance tuning with photoconductors to 40 GHz

January 22, 2019

Author(s)

Jasper A. Drisko, Ari D. Feldman, Franklyn J. Quinlan, James C. Booth, Nathan D. Orloff, Christian J. Long

Light has been widely used to control a variety of microwave devices, including switches, antennas, and detectors. Here, we present a photoconductive device...

Chip-integrated visible-telecom entangled photon pair source for quantum communication

January 21, 2019

Author(s)

Xiyuan Lu, Qing Li, Daron Westly, Gregory Moille, Anshuman Singh, Vikas Anant, Kartik Srinivasan

Photon pair sources are fundamental blocks for quantum entanglement and quantum communication. Recent studies in silicon photonics have documented promising...

Machine Learning techniques for state recognition and auto-tuning in quantum dots

January 20, 2019

Author(s)

Sandesh Kalantre, Justyna Zwolak, Stephen Ragole, Xingyao Wu, Neil M. Zimmerman, Michael Stewart, Jacob Taylor

Recent progress in building large-scale quantum devices for exploring quantum computing and simulation paradigms has relied upon effective tools for achieving...

Ni₂Mo₃O₈: Complex Antiferromagnetic Order on a Honeycomb Lattice

January 18, 2019

Author(s)

Jennifer R. Morey, Allen Scheie, John P. Sheckelton, Craig Brown, Tyrel M. McQueen

Theoretical studies have predicted the existence of topological magnons in honeycomb compounds with zig-zag antiferromagnetic (AFM) order. Here we report this...

Effect of Chloride Concentration on Copper Deposition in Through Silicon Vias

January 18, 2019

Author(s)

Trevor Braun, Daniel Josell, Manoj R. Silva, Thomas P. Moffat

This work examines Cu deposition in low chloride, suppressor containing electrolytes that exhibit a transition from passive to active deposition partway down...

Calibrations and Checks of the Binding-Energy Scales of X-ray Photoelectron Spectrometers

January 17, 2019

Author(s)

Cedric J. Powell

A recent paper in this journal [B. V. Crist, J. Electron Spectrosc. Relat. Phenom. (in press)] describes calibration problems with core-electron binding...

A User Application-Based Access Point Selection Algorithm for Dense WLANs

January 16, 2019

Author(s)

Munsuk Kim, Ye Na Kim, Sukyoung Lee, Nada T. Golmie, SeungSeob Lee

The current commercial access point (AP) selection schemes are mostly based on signal strength, but perform poorly in many situations because they ignore the...

Higher Order Effects in Organic LEDs with Sub-bandgap Turn-on

January 16, 2019

Author(s)

Sebastian Engmann, Adam J. Barito, Emily Bittle, Chris Giebink, Lee J. Richter, David J. Gundlach

Spin-dependent nonlinear processes in organic materials such as singlet-fission and triplet- triplet annihilation could increase the performance for...

Quantum algorithm for simulating the wave equation

January 15, 2019

Author(s)

Pedro C. Costa, Stephen P. Jordan, Aaron Ostrander

We present a quantum algorithm for simulating the wave equation under Dirichlet and Neumann boundary conditions. The algorithm uses Hamiltonian simulation and...

Precipitating Ordered Skyrmion Lattices from Helical Spaghetti and Granular Powders

January 15, 2019

Author(s)

Dustin Allen Gilbert, Alexander J. Grutter, Paul Neves, Guo-Jiun Shu, Gergely Zimanyi, Brian B. Maranville, Fang-Cheng Chou, Kathryn L. Krycka, Nicholas P. Butch, Sunxiang Huang, Julie A. Borchers

Slow- and rapid-scan frequency-swept electrically detected magnetic resonance of MOSFETs with a non-resonant microwave probe within a semiconductor wafer-probing station

January 14, 2019

Author(s)

Duane J. McCrory, Mark Anders, Jason Ryan, Pragya Shrestha, Kin P. Cheung, Patrick M. Lenahan, Jason Campbell

We report on a novel electron paramagnetic resonance (EPR) technique that merges electrically detected magnetic resonance (EDMR) with a conventional...

High-Pressure Synthesis of A₂NiO₂Ag₂Se₂ (A=Sr, Ba) with a High-Spin Ni²⁺ in Square-Planar Coordination

January 14, 2019

Author(s)

Yuki Matsumoto, Takafumi Yamamoto, Kousuke Nakano, Hiroshi Takatsu, Taito Murakami, Kenta Hongo, Ryo Maezono, Hiraku Ogino, Dongjoon Song, Craig Brown, Tassel Cedric, Hiroshi Kageyama

Square-planar coordinate Ni 2+ ions in oxides are exclusively limited to a low spin state (S = 0) owing to extensive crystal field splitting. Here we report...

Transport and Electromechanical Properties of Ca3TaGa3Si2O14 Piezoelectric Crystals at Extreme Temperatures

January 13, 2019

Author(s)

Yuriy Suhak, Ward L. Johnson, Andrei Sotnikov, Hagen Schmidt, Holger Fritze

Transport mechanisms in structurally ordered piezoelectric Ca3TaGa3Si2O14 (CTGS) single crystals are studied in the temperature range of 1000-1300 °C by...

In-situ Stress Measurements During Cobalt Electrodeposition

January 12, 2019

Author(s)

Gery R. Stafford, Ugo Bertocci

In situ cantilever curvature is used to quantify the growth stress in Co thin films, electrodeposited from an electrolyte consisting of 0.5 mol/L Na2SO4, 0.5...

Bottom-up Copper Filling of Millimeter Size Through Silicon Vias

January 12, 2019

Author(s)

Daniel Josell, Thomas P. Moffat, Lyle Menk, Andrew Hollowell, M Blain

This work demonstrates void-free Cu filling of millimeter size Through Silicon Vias (mm-TSV) in an acid copper sulfate electrolyte using a combination of a...