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Journals

Dielectric Spectroscopic Detection of Early Failures in 3-D Integrated Circuits

October 11, 2015

Author(s)

Yaw S. Obeng, Chukwudi A. Okoro, Jungjoon Ahn, Lin You, Joseph J. Kopanski

The commercial introduction of three dimensional integrated circuits (3D-ICs) has been hindered by reliability challenges, such as stress related failures...

Full-Scale Experimental Investigation to Quantify Building Component Ignition Vulnerability from Mulch Beds Attacked by Firebrand Showers

October 8, 2015

Author(s)

Samuel Manzello, Sayaka Suzuki, Daisaku Nii

Detailed, systematic experiments that demonstrate if certain mulch types may ignite building elements have not been demonstrated. To this end, this paper...

Identification and Quantification of Six-Ring C26H16 Cata-Condensed Polycyclic Aromatic Hydrocarbons in a Complex Mixture of Polycyclic Aromatic Hydrocarbons from Coal Tar

October 8, 2015

Author(s)

Jorge O. Ona Ruales, Arun K. Sharma, Stephen A. Wise

We applied a combination of normal-phase liquid chromatography (NPLC) with ultraviolet-visible spectroscopy and gas chromatography with mass spectrometry (GC/MS...

Realization of Ground-State Artificial Skyrmion Lattices at Room Temperature

October 8, 2015

Author(s)

Dustin A. Gilbert, Brian B. Maranville, Andy L. Balk, Brian J. Kirby, Peter Fischer, Daniel T. Pierce, John Unguris, Julie A. Borchers, Kai Liu

The topological nature of magnetic skyrmions deriving from broken symmetries leads to extraordinary static and dynamic properties that provide new insight in...

Top-top internal rotation coupling in the microwave spectrum of pinacolone

October 8, 2015

Author(s)

Jon T. Hougen, Yueyue Zhao, Ha Vanh L. Nguyen, Wolfgang Stahl

The molecular beam Fourier-transform microwave spectrum of pinacolone (methyl tert-butyl ketone) has been measured in several regions between 4 and 40 GHz. Fits...

Unparalleled Lithium and Sodium Superionic Conduction in Solid Electrolytes with Large Monovalent Cage-like Anions

October 8, 2015

Author(s)

Wan Si NMN Tang, Atsushi Unemoto, Wei Zhou, Vitalie Stavila, Motoaki Matsuo, Hui Wu, Shin-Ichi Orimo, Terrence J. Udovic

Solid electrolytes with sufficiently high conductivities and stabilities are the elusive answer to the inherent shortcomings of organic liquid electrolytes...

A Scanning Probe Investigation of the Role of Surface Motifs in the Behavior of p-WSe(sub2) Photocathodes

October 8, 2015

Author(s)

Jesus M. Velazquez, Jimmy John, Daniel V. Esposito, Adam Pieterick, Ragip Pala, Guofeng Sun, Xinghao Zhou, Zhuangqun Huang, Shane Ardo, Bruce S. Brunschwig, Nathan S. Lewis

The spatial variation in the properties and performance of bare and Pt-decorated p-type WSe(sub2) photocathodes has been investigated by using Scaning...

Cosolvency and cononsolvency explained in terms of a Flory-Huggins type theory

October 7, 2015

Author(s)

Jack F. Douglas, Jacek Dudowicz, Freed Karl

Standard classic Flory-Huggins (FH) theory is employed to describe the enigmatic cosolvency and co-nonsolvency phenomena for systems of polymers dissolved in...

2015 an eventful year for the Metabolomics Society

October 6, 2015

Author(s)

Dan Bearden, Ute Roessner

The Metabolomics Society again has experienced a year full of exciting events and developments. The activity of the Society reflects the growth of the...

Depth profiling of degradation of multilayer photovoltaic backsheets after accelerated laboratory weathering: I. Raman imaging

October 6, 2015

Author(s)

Chiao-Chi Lin, Peter J. Krommenhoek, Stephanie S. Watson, Xiaohong Gu

In this study, Raman imaging was used to depth profiling the chemical degradation of a commercial PPE (polyethylene terephthalate (PET)/PET/ethylene vinyl...

A hybrid program for fitting rotationally resolved spectra of floppy molecules with one large-amplitude rotatory motion and one large-amplitude oscillatory motion

October 6, 2015

Author(s)

Isabelle Kleiner, Jon T. Hougen

A new hybrid-model fitting program for methylamine-like molecules has been developed, based on an effective Hamiltonian in which the ammonia-like inversion...

Enforcing realizability in explicit multi-component species transport

October 5, 2015

Author(s)

Randall J. McDermott, Kevin B. McGrattan, Jason Floyd

A strategy is proposed to guarantee realizability of species mass fractions in explicit time integration of the partial differential equations governing fire...

Altering the Structural Properties of A₂B₁₂H₁₂ Compounds via Cation and Anion Modifications

October 5, 2015

Author(s)

Wan Si NMN Tang, Terrence J. Udovic, Vitalie Stavila

The recent discovery of unusually high cationic conductivity in Na 2B 12H 12 above its entropy-driven, order-disorder phase transition near 529 K and the...

Quantitative, comparable coherent anti-Stokes Raman scattering (CARS) spectroscopy: correcting errors in phase retrieval

October 5, 2015

Author(s)

Young J. Lee, Marcus T. Cicerone

Coherent anti-Stokes Raman scattering (CARS) microspectroscopy has demonstrated significant potential for biological and materials imaging. To date, however...

Degenerate Bose-Fermi mixtures of rubidium and ytterbium

October 5, 2015

Author(s)

James V. Porto, Varun Vaidya, Jiraphat Tiamsuphat, Steven Rolston

We report the first realization of a quantum degenerate mixture of bosonic $^{87}$Rb and fermionic $^{171}$Yb atoms in a hybrid optical dipole trap with a...

Exploring Digital PCR as a primary method for the quantification of human genomic DNA: Ogive plots and models

October 5, 2015

Author(s)

David L. Duewer, Margaret C. Kline, Erica Romsos

Polymerase chain reaction (PCR) end-point limiting dilution techniques, collectively termed "digital PCR (dPCR)", have been proposed as providing a potentially...

Quasielastic Neutron Scattering Study of Tetrahydroborate Anion Dynamical Perturbations in Sodium Borohydride due to Partial Halide Anion Substitution

October 5, 2015

Author(s)

Kristina Verdal, Terrence J. Udovic, John J. Rush, Alexander V. Skripov

Equimolar NaBh 4-NaX (X=cl and l) solid solutions were synthesized to study, via quasielastic neutron scattering, the effect of partial halide anion...

Equilibrium and stability of axisymmetric drops on a conical substrate under gravity

October 4, 2015

Author(s)

Asha K. Nurse, Sean A. Colbert-Kelly, Sam R. Coriell, Geoffrey B. McFadden

Motivated by recent investigations of toroidal tissue clusters that are observed to climb conical obstacles after self-assembly, we study a related problem of...

Microwave Rotational Spectral Study of SO2-CO

October 2, 2015

Author(s)

Francis J. Lovas, Matthew K. Sprague

The microwave spectrum of the molecular complex of sulfur dioxide (SO2) with carbon monoxide (CO) has been studied with a pulsed-beam Fourier Transform...

New Insights into Sequential Infiltration Synthesis

October 2, 2015

Author(s)

James Alexander Liddle, Jeffrey Elam, Mahua Biswas, Seth B. Darling, Angel Yanguas-Gil, Jonathan Emery, Alex Martinson, Paul Nealey, Tamar Segal-Peretz, Qing Peng, Jonathan P. Winterstein, Y. C. Tseng

Sequential infiltration synthesis (SIS) is a process derived from ALD in which a polymer is infused with inorganic material using sequential, self-limiting...

Peer-to-Peer Urban Channel Characteristics for Two Public-Safety Frequency Bands

October 1, 2015

Author(s)

Catherine A. Remley, David W. Matolak, Camillo A. Gentile, Christopher L. Holloway, Qiong Wu, Qian Zhang

We report on ground-based wireless channel characteristics for an urban environment in two public safety bands. Results are based upon measurements taken in...

CCQM Pilot Study P-140; Quantitative Surface Analysis of Multi-Element Alloy Films

October 1, 2015

Author(s)

David S. Simons, Christopher W. Szakal, William A. Osborn, Kyung Joong Kim

A pilot study for the quantitative surface analysis of multi-element alloy films has been performed by the Surface Analysis Working Group (SAWG) of the...

Quantitative contact resonance force microscopy for viscoelastic measurement of soft materials in liquid

October 1, 2015

Author(s)

Allison B. Churnside, Ryan C. Tung, Jason P. Killgore

Viscoelastic property measurements made in liquid are key to characterizing materials for a variety of biological and industrial applications, but obtaining...

Evaluating the Performance of DABO and HVAC-Cx Commissioning Tools using the Virtual Cybernetic Building Testbed

October 1, 2015

Author(s)

Natascha S. Milesi-Ferretti, Michael A. Galler, Steven T. Bushby, Daniel Choiniere

Automated commissioning tools are designed to facilitate the commissioning process, decreasing the amount of time and the skill level required to carry out...

Fiber Bragg Grating Based Thermometry

October 1, 2015

Author(s)

Zeeshan Ahmed, Bernard J. Filla, William F. Guthrie, John S. Quintavalle

In recent years there has been considerable interest in developing photonic temperature sensors such as the Fiber Bragg gratings (FBG) as an alternative to...

Histone post-translational modifications in frontal cortex from human donors with Alzheimers disease

October 1, 2015

Author(s)

Kyle W. Anderson, Illarion V. Turko

Research highlights: Probing adsorbed organic coatings on nanoparticle surfaces

October 1, 2015

Author(s)

Stacey M. Louie, John M. Pettibone

Organic coatings adsorbed at a nanoparticle surface, together with the system properties, change the physicochemical properties of the nanoparticle, thereby...

Timekeeping in the Americas

October 1, 2015

Author(s)

Michael A. Lombardi, Jose M. Lopez

Time and its measurement belong to the most fundamental core of physics, and many scientific and technological advances are directly or indirectly related to...

Broadly tunable, low timing jitter, high repetition rate optoelectronic comb generator

October 1, 2015

Author(s)

Franklyn J. Quinlan, A. J. Metcalf, Tara M. Fortier, Scott A. Diddams, Andrew M. Weiner

We investigate the low timing jitter properties of a tunable single-pass optoelectronic frequency comb generator. The scheme is flexible in that both the...

Low noise kinetic inductance traveling-wave amplifier using three-wave mixing

October 1, 2015

Author(s)

Michael R. Vissers, Robert P. Erickson, Leila R. Vale, Xian Wu, Gene C. Hilton, David P. Pappas

We have fabricated a wide-bandwidth, high dynamic range, low noise cryogenic amplifier based on a superconducting kinetic inductance traveling-wave device. The...

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