Journals

Comparison of line width calibration using critical dimension atomic force microscopes between PTB and NIST

April 19, 2017

Author(s)

Gaoliang Dai, Kai Hahm, Harald Bosse, Ronald G. Dixson

International comparisons between National Metrology Institutes (NMIs) are important to verify measurement results and the associated uncertainties. In this...

Rigorous evaluation of chemical measurement uncertainty: Liquid chromatographic analysis methods using detector response factor calibration

April 19, 2017

Author(s)

Blaza Toman, Michael A. Nelson, Mary Bedner

Chemical measurement methods are designed to promote accurate knowledge of a measurand or system and, as such, often allow elicitation of latent sources of...

Coherent Frequency Combs for Spectroscopy in the 3-5 Micron Region

April 18, 2017

Author(s)

Daniel I. Maser, Gabriel G. Ycas, William I. Depetri, Flavio Caldas da Cruz, Scott A. Diddams

A tunable mid-infrared frequency comb was created via diff erence frequency generation. Pulses between 1 and 1.5 μm were mixed to make idlers of 2.6-5.2 μm. Two...

Structural Features and Lipid Binding Domain of Tubulin on Biomimetic Mitochondrial Membranes

April 18, 2017

Author(s)

David Paul Hoogerheide, Sergei Y. Noskov, Daniel Jacobs, Lucie Bergdoll, Vitalii Ivanovich Silin, David L. Worcester, Jeff Abramson, Hirsh Nanda, Tatiana K. Rostovtseva, Sergey M. Bezrukov

Amphitropic proteins, the subfamily of peripheral membrane proteins that interact directly with lipid bilayers, comprises members whose function depends on...

Electric-Field Induced Reversible Switching of the Magnetic Easy Axis in Co/BiFeO₃ on SrTiO₃

April 18, 2017

Author(s)

Tieren Gao, Xiaohang Zhang, William D. Ratcliff, Shingo Maruyama, Makoto Murakami, Anbusathaiah Varatharajan, Zahra Yamani, Peijie Chen, Ke Wang, Huairuo Zhang, Robert D. Shull, Leonid A. Bendersky, John Unguris, R. Ramesh, Ramamoorthy Ramesh, I. Takeuchi

We demonstrate reversible electric-field-induced switching of the magnetic state of the Co layer in Co/BiFeO 3 (BFO) (001) thin film heterostructures fabricated...

UV-sensitive superconducting nanowire single photon detectors for integration in an ion trap

April 17, 2017

Author(s)

Daniel H. Slichter, Varun B. Verma, Dietrich G. Leibfried, Richard P. Mirin, Sae Woo Nam, David J. Wineland

We demonstrate superconducting nanowire single photon detectors with 76 +/- 4% system detection efficiency at a wavelength of 315 nm and an operating...

In-situ Studies of Morphology Development in Solution Processed Functional Organic Blend Films

April 17, 2017

Author(s)

Lee J. Richter, Dean M. DeLongchamp, Aram Amassian

Not Applicable

In Situ Nanoscale Observations of Gypsum Dissolution by Digital Holographic Microscopy

April 17, 2017

Author(s)

Pan Feng, Alexander Brand, Lei Chen, Jeffrey W. Bullard

Recent studies of topographical changes during dissolution at gypsum crystal surfaces focus on the formation and growth of etch pits because dissolution both...

Emergent equilibrium in many-body optical bistability

April 17, 2017

Author(s)

Michael Foss-Feig, Pradeep Niroula, Jeremy Young, Alexey Gorshkov, Wilson Ryan, Mohammad F. Maghrebi

The dependence of electrical performance on structural organization in low mobility polymer field effect transistors

April 16, 2017

Author(s)

Emily G. Bittle, Hyun W. Ro, Chad R. Snyder, Sebastian Engmann, Regis J. Kline, Oana Jurchescu, Dean M. DeLongchamp, David J. Gundlach

Polymer semiconductors are contenders for use in printed, flexible electronics. Though organic electronic materials have been studied for many years, the...

Superconformal Bottom-Up Gold Deposition in High Aspect Ratio Through Silicon Vias

April 14, 2017

Author(s)

Daniel Josell, Thomas P. Moffat

This work presents superconformal, bottom-up Au filling of high aspect ratio Through Silicon Vias (TSVs) along with a predictive framework based on the coupling...

CH3NH3PbI3 perovskites: Ferroelasticity revealed

April 14, 2017

Author(s)

Evgheni Strelcov, Qingfeng Dong, Tao Li, Jungseok Chae, Yuchuan Shao, Yehao Deng, Alexei Gruveman, Jinsong Huang, Andrea Centrone

Ferrolectricity has been proposed as a plausible meachanism to explain the high photovoltaic conversion efficiency in organic-inorganic perovskites; however...

Ising-Like Antiferromagnetism on the Octahedral Sublattice of a Cobalt-Containing Garnet and the Potential for Quantum Critically

April 14, 2017

Author(s)

Abbey J. Neer, Joanna Milam-Guerrero, Justin E. So, Brent C. Melot, Kate Ross, Zeric Hulvey, Craig Brown, Alexey A. Sokol, David O. Scanlon

In this letter, we report the observation of quasi-one-dimensional magnetism in the garnet CaY 2Co 2Ge 3O 12. Using low-temperature powder neutron diffraction...

Measuring the distillation curves of non-homogeneous fluids: method and case study of two pyrolysis oils

April 14, 2017

Author(s)

Megan Harries, Thomas J. Bruno, Armando McDonald

Volatility is an important property in fuels research because it can significantly affect performance and because, as a property, it is highly sensitive to...

Linear Time Algorithms to Restrict Insider Access using Multi-Policy Access Control Systems

April 13, 2017

Author(s)

Peter M. Mell, James Shook, Richard Harang, Serban I. Gavrila

An important way to limit malicious insiders from distributing sensitive information is to as tightly as possible limit their access to information. This has...

Single-Ion Properties of the S_eff = 1/2 XY Antiferromagnetic Pyrochlores NaA'Co₂F₇ (A' = Ca²⁺, Sr²⁺)

April 13, 2017

Author(s)

K. A. Ross, J. M. Brown, R. J. Cava, J. W. Krizan, S. E. Nagler, Jose Rodriguez Rivera, M. B. Stone

The antiferromagnetic pyrochlore material NaCaCo 2F 7 is a thermal spin liquid over a broad temperature range (approximately equal} 140 K down to T F = 2.4K)...

Nanoscale Structure-Property Characterization of a Nanopatterned Hybrid Organic-Inorganic Nanoporous Material

April 13, 2017

Author(s)

Gheorghe Stan, Richard S. Gates, Qichi Hu, Kevin Kjoller, Craig Prater, Alan Myers, Kanwal Singh, Ebony Mays, Sean W. King

The continued advancement of nanostructured materials and exploitation of nanoscale size effects will ultimately require understanding material structure...

Nanoscale Imaging and Spectroscopy of Band Gap and defects in Polycrystalline Photovoltaic Devices

April 12, 2017

Author(s)

Yohan Yoon, Jungseok Chae, Aaron M. Katzenmeyer, Heayoung Yoon, Joshua D. Schumacher, Sang M. An, Andrea Centrone, Nikolai B. Zhitenev

Improving the power conversion efficiency of photovoltaic (PV) devices is challenging because the generation, separation and collection of electron-hole pairs...

Electroshock Weapon Measurements

April 12, 2017

Author(s)

Nicholas G. Paulter Jr., David M. Jenkins, Norimitsu Ichikawa

Electroshock weapons (ESWs) are a commonly used tool in the escalation of force arsenal for law enforcement and the military around the world. ESWs function by...

Infrared and visible laser spectroscopy for highly-charged Ni-like ions

April 12, 2017

Author(s)

Yuri Ralchenko

Application of visible or infrared (IR) lasers for spectroscopy of highly-charged ions (HCI) has not been particularly extensive so far due to a mismatch in...

Broadband parametric amplifiers based on nonlinear kinetic inductance artificial transmission lines

April 11, 2017

Author(s)

Jiansong Gao, Saptarshi Chaudhuri, Dale Li, Kent D. Irwin, Clint Bockstiegel, Weijie Guo, Xiangliang Liu, Johannes Hubmayr

We present broadband parametric amplifiers based on the kinetic inductance of superconducting NbTiN thin films and an artificial (lumped-element) transmission...

The Filler Effect II: The Influence of Filler Content and Type on the Hydration Rate of Tricalcium Silicate

April 10, 2017

Author(s)

Aditya Kumar, Tandre Oey, Gabriel Falzone, Jian Huang, Magdalena Balonis, Jeffrey W. Bullard, Gaurav Sant

The partial replacement of ordinary portland cement (OPC) by fine mineral fillers accelerates the rate of hydration reactions. This acceleration, known as the...

Dielectric Characterization of Confined Water in Chiral Cellulose Nanocrystal Films

April 10, 2017

Author(s)

Bharath N. Natarajan, Caglar Emiroglu, Jan Obrzut, Douglas M. Fox, Beatriz Pazmino, Jack F. Douglas, Jeffrey W. Gilman

A known deterrent to a large scale development and use of cellulose nanocrystals (CNCs) is their affinity for moisture, which has a profound effect on...

Electrochemical Surface Finishing and Energy Storage Technology with Room-Temperature Haloaluminate Ionic Liquids and Mixtures

April 8, 2017

Author(s)

Gery R. Stafford

In this article, we review the progress in the area of electrochemical technology with Lewis acidic haloaluminate room-temperature ionic liquids (RTILs), such...

BC8 Silicon (Si-III) is a narrow-gap semiconductor

April 7, 2017

Author(s)

Haidong Zhang, Hanyu Liu, Kaya Wei, Oleksandr Kurakevych, Zhenxian Liu, Yann Godec, Joshua Martin, Michael Guerrette, George S. Nolas, Timothy A. Strobel

Large-volume, phase-pure synthesis of BC8 silicon (Ia3 ̅, cI16) has enabled bulk measurements of optical, electronic and thermal properties. Unlike previous...

Determining conformational order and crystallinity in polycaprolactone via Raman spectroscopy

April 7, 2017

Author(s)

Anthony P. Kotula, Chad R. Snyder, Kalman D. Migler

The Raman spectra of polycaprolactones have been measured over a temperature range of 20 °C to 160 °C to distinguish ordered chain conformers in the melt state...

Combining model-based measurement results of critical dimensions from multiple tools

April 7, 2017

Author(s)

Nien F. Zhang, Bryan M. Barnes, Hui Zhou, Mark Alexander Henn, Richard M. Silver

Model-based measurement techniques use experimental data and simulations of the underlying physics to extract quantitative estimates of the measurands of a...

Qubit gates using hyperbolic secant pulses

April 7, 2017

Author(s)

Hsiang S. Ku, Junling Long, Xian Wu, Mustafa Bal, Russell Lake, Edwin Barnes, Sophia Economou, David P. Pappas

It has been known since the early days of quantum mechanics that hyperbolic secant pulses possess the unique property that they can perform cyclic evolution on...

Light-stimulated Permanent Shape Reconfiguration in Crosslinked Polymer Microparticles

April 7, 2017

Author(s)

Lewis M. Cox, Xiaohao Sun, Chen Wang, Nancy Sowan, Jason Killgore, Rong Long, Hengan Wu, Christopher N. Bowman, Yifu Ding

Covalent adaptable networks (CANs) are cross-linked polymer networks capable reconfiguring their network topology, enabling stress relaxation and shape changing...

Hyperfine-mediated electric quadrupole shifts in Al+ and In+ ion clocks

April 6, 2017

Author(s)

Kyle P. Beloy, David R. Leibrandt, Wayne M. Itano

We evaluate the electric quadrupole moments of the 1S0 and 3P0 clock states of 27Al+ and 115In+. To capture all dominant contributions, our analysis extends...