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Journals

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...

A Pre-Evacuation Database for Use in Egress Simulations

January 11, 2019

Author(s)

Ruggiero Lovreglio, Erica D. Kuligowski, Steve Gwynne, Karen E. Boyce

Quantifying the pre-evacuation time; i.e., the time between first awareness and deliberate evacuation movement, is a key task for evacuation model users and...

Real-time liquid-phase organic reaction monitoring with a mid-infrared dual frequency comb spectrometer

January 10, 2019

Author(s)

Daniel I. Herman, Eleanor M. Waxman, Gabriel G. Ycas, Fabrizio R. Giorgetta, Nathan R. Newbury, Ian R. Coddington

We combine high-resolution mid-infrared dual-comb spectroscopy with attenuated total reflectance measurements to provide in-situ monitoring of a chemical...

A stochastic SPICE model for superconducting nanowire single photon detectors and other nanowire devices

January 10, 2019

Author(s)

Adam N. McCaughan, Sae Woo Nam, Dylan M. Oh

Superconducting nanowire devices such as the superconducting nanowire single photon detector (SNSPD) or nanocryotron (nTron) have a time-dependent stochasticity...

Learning to Predict Single-Wall Carbon Nanotube-Recognition DNA Sequences

January 10, 2019

Author(s)

Ming Zheng, Anand Jagota, Yoona Yang

Collective Mesoscale Dynamics of Liquid 1-Dodecanol Studied by Neutron Spin-Echo Spectroscopy with Isotopic Substitution and Molecular Dynamics Simulation

January 10, 2019

Author(s)

Tsuyoshi Yamaguchi, Antonio Faraone, Michihiro Nagao

The collective dynamics of liquid 1-dodecanol was investigated at a length scale matching the mesoscale structure arising from the segregation of hydrophilic...

Influence of Ligand Size and Chelation Strength on Zerovalent IronNanoparticle Adsorption and Oxidation Behavior in the Presence ofWater Vapor and Liquid Water

January 9, 2019

Author(s)

Aruni Gankanda, Nikki Rentz, Lauren F. Greenlee

The effectiveness of zerovalent iron (ZVI) nanoparticles in applicationsfrom water remediation to catalysis is intimately tied to adsorption and...

Damping and Softening of Transverse Acoustic Phonons in Colossal Magnetoresistive La_0.7Cad0.3^MnO₃ and La_0.7Sr_0.3MnO₃

January 7, 2019

Author(s)

Joel Helton, Yang Zhao, Dmitry A. Shulyatev, Jeffrey W. Lynn

Neutron spectroscopy is used to probe transverse acoustic phonons near the (2,2,0) Bragg position in colossal magnetoresistive La 0.7Ca 0.3MnO 3. Upon warming...

Basis for the Bauschinger Effect in Copper Single Crystals: Changes in the Long-Range Internal Stress with Reverse Deformation

January 7, 2019

Author(s)

Lyle E. Levine, Mark R. Stoudt, Adam A. Creuziger, Thien Q. Phan, Xu Ruqing, Kassner Mike

To investigate the long range internal stresses (LRIS) associated with the Bauschinger effect using synchrotron x-ray microbeam diffraction, two [100] oriented...

In Situ Characterization of the Microstructural Evolution of Biopharmaceutical Solid-State Formulations with Implications for Protein Stability

January 7, 2019

Author(s)

Stijn H.S. Koshari, Purnendu K. Nayak, Shalini Burra, Isidro E. Zarraga, Karthikan Rajagopal, Yun Liu, Norman J. Wagner, Abraham M. Lenhoff

Lyophilized and spray-dried biopharmaceutical formulations are used to provide long-term stability for storage and transport, but questions remain about the...

Spin Correlations of Quantum Spin Liquid and Quadrupole-Ordered States of Tb_2+xTi_2-xO_7+y

January 7, 2019

Author(s)

Hiroaki Kadowaki, Mika Wakita, Bjorn Fak, Jacques Ollivier, Seiko Ohira-Kawamura, Kenji Nakajima, Jeffrey W. Lynn

Spin correlations of the frustrated pyrochlore oxide Tb 2+xTi 2-xO 7+y have been investigated by using inelastic neutron scattering on single crystalline...

Local Elasticity in Nonlinear Rheology of Interacting Colloidal Glasses Revealed by Neutron Scattering and Rheometry

January 7, 2019

Author(s)

Zhe Wang, Takuya Iwashita, Lionel Porcar, Yangyang Wang, Yun Liu, Luis E. Sanchez-Diaz, Bin Wu, Guan-Rong Huang, Takeshi Egami

CrowdVariant: a crowdsourcing approach to curate copy number variants

January 6, 2019

Author(s)

Justin M. Zook, Marc L. Salit, Peyton Greenside, Ryan Poplin, Mark DePristo, Madeleine Cule

Copy number variants (CNVs) are an important type of genetic variation and play a causal role in many diseases. However, they are also notoriously difficult to...

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