Journals

How Oxidation and Dissolution in Diabase and Granite Control Porosity during Weathering

January 13, 2015

Author(s)

Ekaterina Bazilevskaya, Gernot Rother, David F. Mildner, Milan Pavich, David Cole, Maya P. Bhatt, Lixin Jin, Carl I. Steefel, Susan L. Brantley

Weathering extends to shallower depths on diabase than granite ridgetops despite similar climate and geomorphological regimes of despite similar climate and

Reversing hydride-ion formation in quantum-information experiments with Be+

January 12, 2015

Author(s)

Brian C. Sawyer, Justin G. Bohnet, Joseph W. Britton, John J. Bollinger

We demonstrate photodissociation of BeH + ions within a Coulomb crystal of thousands of 9Be + confined in a Penning trap. The BeH + molecular ions form via

Bottom-up Electrodeposition of Zinc in Through Silicon Vias Using Breakdown of Additive-Derived Suppression

January 12, 2015

Author(s)

Daniel Josell, Thomas P. Moffat

This paper presents superconformal feature filling during zinc electrodeposition in a sulfate electrolyte. Localized bottom-up filling of Through Silicon Vias

Probability distributions and confidence intervals for simulated power law noise

January 12, 2015

Author(s)

Neil Ashby, Bijunath Patla

Simulation of power law noise in clocks and oscillators is presented based on modification of the spectrum of white phase noise, then Fourier transforming to

Interactions of Adhesion Materials and Annealing Environment on Resistance and Stability of MEMS Platinum Heaters and Temperature Sensors

January 11, 2015

Author(s)

Feng Yi, William Alexander Osborn, Jordan F. Betz, David A. LaVan

We evaluate the microstructural and electrical stability of Pt thin films with Ti or Ta as the adhesion layer after annealing in three different environments at

A Decision Guidance Framework for Sustainability Performance Analysis of Manufacturing Processes

January 10, 2015

Author(s)

Duck B. Kim, Seungjun Shin, Guodong Shao, Alexander Brodsky

Life-Cycle Assessment (LCA) methods are widely used to assess the sustainability of manufacturing processes. Although it has several advantages such as

Multiply-ionized Atoms Isolated at low energy in a Unitary Penning Trap

January 9, 2015

Author(s)

Joseph Tan, Shannon Hoogerheide, Samuel Brewer, Nicholas D. Guise

Ions extracted from the EBIT at NIST are slowed and captured in a Penning trap that is made very compact ( 150 cm3) by a unitary architecture. Measurements

Influence of Water Vapor on Hydrocarbon Combustion in the Presence of Hydrofluorocarbon Agents

January 9, 2015

Author(s)

Gregory T. Linteris, Valeri I. Babushok, Patrick T. Baker

The effect of water vapor on hydrocarbon combustion (CH4, C2H4, C3H8) was studied in the presence of an HFC agent (HFC-125). The effect depends on the F/H ratio

Reaction of Arylium Ions with the Collision Gas N2 in Electrospray Ionization Mass Spectrometry

January 9, 2015

Author(s)

Yuxue Liang, Pedatsur Neta, Yamil Simon, Stephen E. Stein

RATIONALE: Tandem mass spectra of many compounds contained peaks which could not arise from the precursor ion and were different in different instruments. Such

Spin-transfer torque switching observed in nanopillar superconducting-magnetic hybrid Josephson junctions

January 9, 2015

Author(s)

Burm Baek, William H. Rippard, Matthew R. Pufall, Samuel P. Benz, Stephen E. Russek, Horst Rogalla, Paul D. Dresselhaus

Combining superconducting and magnetic materials to create novel superconducting devices has been motivated by the discovery of the Josephson critical current

Quantum Nonlinear Optics Near Optomechanical Instabilities

January 9, 2015

Author(s)

Xunnong Xu, Michael Gullans, Jacob Taylor

Optomechanical systems provide a unique platform for observing quantum behavior of macro- scopic objects. However, efforts towards realizing nonlinear behavior

Structural Features of Membrane-bound Glucocerebrosidase and α-Synuclein Probed by Neutron Reflectometry and Fluorescence Spectroscopy

January 9, 2015

Author(s)

Thai Leong Yap, Zhiping Jiang, Frank Heinrich, James M. Gruschus, Candace M. Pfefferkorn, Marilia Barros, Joseph E. Curtis, Ellen Sidransky, Jennifer C. Lee

Mutations in glucocerebrosidase (GCase), the enzyme deficient in Gaucher disease, are a common genetic risk factor for the development of Parkinson disease (PD)

Magnetic structure and anisotropy of [Co/Pd]_5/NiFe multilayers

January 9, 2015

Author(s)

Larysa Tryputen, Feng Guo, Liu Frank, T. N. Anh Nguyen, Majid Mohseni, Sunjae Chung, Yeyu Fang, Johan Akerman, Robert McMichael, Caroline Ross

The magnetization behavior, magnetic anisotropy and domain congurations of Co/Pd multilayers with perpendicular magnetic anisotropy capped with permalloy is

In-situ Characterization of Polymer-Fullerene Bilayer Stability

January 8, 2015

Author(s)

Lee J. Richter, Regis J. Kline, Hyun Wook Ro, Chad R. Snyder, Andrew A. Herzing, Sebastian Engmann

A consensus is emerging that every phase present in a bulk heterojunction organic photovoltaic (OPV) device is not material pure. In general, there will exist

The meaning of the universal WLF parameters of glass-forming polymer liquids

January 7, 2015

Author(s)

Jack F. Douglas, Jacek Dudowicz, Karl Freed

Although the Williams-Landell-Ferry (WLF) equation for the segmental relaxation time tau of glass forming materials is one of most commonly encountered

Phase steps and resonator detuning measurements in microresonator frequency combs

January 7, 2015

Author(s)

Pascal P. Del'Haye, Aurelien C. Coillet, William Loh, Katja M. Beha, Scott B. Papp, Scott A. Diddams

Significant progress has been made in the last years towards a better understanding and theoretical modeling of Kerr-effect induced generation of optical

Low-Loss Electron Imagine for Enhanced Surface Detail in the Scanning Electron Microscope: The Contributions of Oliver C. Wells

January 7, 2015

Author(s)

Michael T. Postek, Andras Vladar

Low-loss electron (LLE) imaging in the scanning electron microscope (SEM) is based on the collection of energy-filtered backscattered electrons that have

Performance Ranking of Refrigerants With Low Global Warming Potential

January 7, 2015

Author(s)

Mark A. Kedzierski, J S. Brown, Junemo Koo

This paper evaluates in a typical air-conditioner the cycle performance of thirty-nine refrigerants identified in the AHRI Low Global Warming Potential (GWP)

MnTaO₂N: Polar LiNbO₃-type Oxynitride with a Helical Spin Order

January 7, 2015

Author(s)

Cedric Tassel, Yoshinori Kuno, Yoshihiro Goto, Takafumi Yamamoto, Craig Brown, James Hester, Koji Fujita, Masanobu Higashi, Ryu Abe, Katsuhisa Tanaka, Yoji Kobayashi, Hiroshi Kageyama

A Rod-Packing Microporous Hydrogen-Bonded Organic Framework for Highly Selective Separation of C₂H₂/CO₂ at Room Temperature

January 7, 2015

Author(s)

Peng Li, Yabing He, Yunfeng Zhao, Linhong Weng, Hailong Wang, Rajamani Krishna, Hui Wu, Wei Zhou, Michael O'Keeffe, Yu Han, Banglin Chen

Self-assembly of well-designed trigonal building subunit with diaminotriazines (DAT)functional groups leads to a unique rod-packing 3D microporous hydrogen

Metal-catalyzed etching of graphene governed by metal-carbon interactions: a comparison of Fe and Cu

January 5, 2015

Author(s)

Guangjun Cheng, Irene Calizo, Angela R. Hight Walker

We present a comparative investigation on the etching of graphene catalyzed by Fe and Cu and demonstrate that the strikingly different etching behaviors between

Spin Hall Effect and Irreversible Thermodynamics; Center-to-Edge Transverse Current-Induced Voltage

January 5, 2015

Author(s)

Wayne M. Saslow

We examine the Dyakonov and Perel theory of the Spin Hall Effect from the viewpoint of irreversible thermodynamics. As thermodynamic driving forces we include

Citrate-stabilized gold nanoparticles do not impact neural progenitor cell development

January 5, 2015

Author(s)

Kavita M. Jeerage, Tammy L. Oreskovic, Alexandra Curtin, Aric W. Sanders, Rani K. Schwindt, Ann C. Chiaramonti Debay

Gold nanoparticles are promising candidates for medical diagnostics and therapeutics, due to their chemical stability, optical properties, and ease of

Volumetric Performance Evaluation of a Laser Scanner Based on Geometric Error Model

January 5, 2015

Author(s)

Balasubramanian Muralikrishnan, Massimiliano M. Ferrucci, Daniel S. Sawyer, Grant Gerner, Vincent D. Lee, Christopher J. Blackburn, Steven D. Phillips, Yuri Yakovlev, Andrey Astrelin, Spike Milligan, John Palmateer

We discuss a geometric error model for those large volume laser scanners that have the laser source and a spinning prism mirror mounted on a platform that can

Substitution of Ni for Fe in Superconducting Fe_0.98Te_0.5Se_0.5 Depresses the Normal-State Conductivity but not the Magnetic Spectral Weight

January 5, 2015

Author(s)

Jinghui Wang, Ruidan Zhong, Shichao Li, Yuan Gan, Zhijun Xu, Cheng Zhang, T Ozaki, M. Matsuda, Yang Zhao, Qiang Li, Guangyong Xu, Genda Gu, J. M. Tranquada, R. J. Birgeneau, Jinsheng Wen

We have performed systematic resistivity and inelastic neutron scattering measurements on Fe 0.98-zNi zTe 0.5Se 0.5 samples to study the impact of Ni

Vibrational shape tracking of atomic force microscopy cantilevers for improved sensitivity and accuracy of nanomechanical measurements

January 5, 2015

Author(s)

Ryan Wagner, Jason Killgore, Ryan C. Tung, Arvind Raman, Donna C. Hurley

Contact resonance atomic force microscopy (CR-AFM) methods currently utilize the eigenvalues, or resonant frequencies, of the AFM cantilever in contact to

Proximity-effect test for lossy wireless-device measurements in reverberation chambers

January 4, 2015

Author(s)

Catherine A. Remley, Joop Aan Den Toorn, Christopher L. Holloway, John M. Ladbury, Chih-Ming Wang

We present a test method for quantifying and reducing systematic errors arising from antenna proximity to lossy objects in over-the-air performance testing of

Design and test of reliable, high strength, ingressive polycrystalline silicon microgripper arrays

January 2, 2015

Author(s)

Siddharth Hazra, Jack L. Beuth, Grant A. Myers, Frank W. DelRio, Maarten de Boer

We present the design and extensive validation of a micromachined gripper array that enables reliable transmission of forces up to 10 milliNewtons. The gripper

Designing a standard for strain mapping: HR-EBSD analysis of SiGe thin film structures on Si

January 1, 2015

Author(s)

Mark D. Vaudin, William A. Osborn, Lawrence H. Friedman, Justin M. Gorham, Robert F. Cook, Victor Vartanian

Patterned SiGe thin film structures, heteroepitaxially deposited on Si substrates, are investigated as potential reference standards to establish the accuracy

Optical Lattice Clocks

January 1, 2015

Author(s)

Andrew D. Ludlow, Christopher W. Oates

Here we introduce and give a basic description of optical lattice clocks. We also briefly describe recent advances in these atomic frequency standards, looking