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Journals

Multi-environment Nanocalorimeter with Electrical Contacts for Use in the Scanning Electron Microscope

September 11, 2017

Author(s)

Feng Yi, Ana Stevanovic, William Alexander Osborn, Andrei Kolmakov, David A. LaVan

We have developed a versatile nanocalorimeter sensor which allows imaging and electrical measurements of samples under different gaseous environments using the...

New measurement of the Boltzmann constant k by acoustic thermometry of helium-4 gas

September 11, 2017

Author(s)

Laurent Pitre, Fernando Sparasci, Michael R. Moldover, Cecile Guianvarch, Catherine Martin, Martin Himbert, Mark Plimmer, James B. Mehl, Giuliano Albo, Bo Gao, Lara Risegari

The SI unit of temperature will soon be redefined in terms of a fixed value of the Boltzmann constant k derived from an ensemble of measurements worldwide. We...

The Cytosolic Domain of T Cell Receptor ζ Associates with Membranes in a Dynamic Equilibrium and and Deeply Penetrates the Bilayer

September 11, 2017

Author(s)

Kerstin Zimmermann, Rebecca Eells, Frank Heinrich, Stefanie Rintoul, Brian Patrick Josey, Prabhanshu Shekhar, Mathias Loesche, Lawrence J. Stern

Interactions between lipid bilayers and the membrane-proximal regions of membrane-associated proteins play important roles in regulating membrane protein...

Under-Reporting of Wildland Fires in NFIRS: California

September 8, 2017

Author(s)

David T. Butry, Douglas S. Thomas

The absence of a comprehensive database on fire occurrence along with the possibility of inaccurate data entry in current datasets means that some proportion of...

An Efficient Synthesis of Dibenzo[a,l]tetracene and Dibenzo[a,j]tetracene and Their Identification in a Coal Tar Extract

September 8, 2017

Author(s)

Srinivasa Ramisetti, Jorge O. Ona Ruales, Stephen Wise, Shantu Amin, Arun Sharma

An efficient synthesis of dibenzo[a,l]tetracene (1) and dibenzo[a,j]tetracene (2) has been developed using Diels-Alder reaction of in situ generated ortho...

Optical Measurement of Radiocarbon Below Unity Fraction Modern by Linear Absorption Spectroscopy

September 7, 2017

Author(s)

Adam J. Fleisher, David A. Long, Qingnan Liu, Lyn Gameson, Joseph T. Hodges

High-precision measurements of radiocarbon (14C) near or below a fraction modern 14C of one (F14C ≤ 1) are costly, requiring the shipment of samples to...

Fine Tuning of MOF-505 Analogues to Reduce Low-Pressure Methane Uptake and Enhance Methane Working Capacity

September 7, 2017

Author(s)

Mingxing Zhang, Wei Zhou, Tony Pham, Katherine A. Forrest, Wenlong Liu, Yabing He, Hui Wu, Taner N. Yildirim, Banglin Chen, Brian Space, Yi Pan, Michael J. Zaworotko, Junfeng Bai

We present a crystal engineering strategy to fine tune the pore chemistry of a family of isomorphous MOFs with similar pore size, pore surface properties and...

Construction of ntt-Type Metal-Organic Framework from C₂-Symmetry Hexacarboxylate Linker for Enhanced Methane Storage

September 7, 2017

Author(s)

Guohai Xu, Bin Li, Hui Wu, Wei Zhou, Banglin Chen

Methods and Considerations to Determine Sphere Center from Terrestrial Laser Scanner Point Cloud Data

September 6, 2017

Author(s)

Prem K. Rachakonda, Balasubramanian Muralikrishnan, Luc Cournoyer, Geraldine S. Cheok, Vincent D. Lee, Katharine M. Shilling, Daniel S. Sawyer

The Dimensional Metrology Group (DMG) at the National Institute of Standards and Technology (NIST) is performing research to support the development of...

Above threshold scattering about a Feshbach resonance for ultracold atoms in an optical collider

September 6, 2017

Author(s)

Eite Tiesinga, Milena S. Horvath, Ryan Thomas, Amita B. Deb, Niels Kjaergaard

Studies of magnetically tunable Feshbach resonances in ultracold atomic gases have predominantly been car- ried out in the zero collision-energy limit. Here, we...

Fibronectin in Layer-by-Layer Assembled Films Switches Tumor Cells between 2D and 3D Morphology

September 6, 2017

Author(s)

Kiran Bhadriraju, Jennifer S. Hong, Steven Lund, Darwin Reyes-Hernandez

Cells in tissues dynamically sense and modulate the adhesive and mechanical properties of their surroundings, according to the functional requirements of normal...

Effects of Microstructure on Electrochemical Reactivity and Conductivity in Nanostructured Ceria Thin Films

September 6, 2017

Author(s)

Jilai Ding, Evgheni Strelcov, Nazanin Bassiri-Gharb

The low temperature proton conductivity in nanostructured ceria (NC) is crucial in determining electrochemistry and transport phenomena in a number of...

Pressure reciprocity calibration of a MEMS microphone

September 5, 2017

Author(s)

Randall Wagner, Steven E. Fick

ESTABLISHING BRDF CALIBRATION CAPABILITIES THROUGH SHORTWAVE INFRARED

September 5, 2017

Author(s)

Catherine C. Cooksey, Georgi T. Georgiev, James Butler, Kurtis J. Thome, Leibo Ding

Satellite instruments operating in the reflective solar wavelength region require accurate and precise determination of the Bidirectional Reflectance...

Intrinsic conductivity, particle shape, and the Coulter particle counting method

September 4, 2017

Author(s)

Edward J. Garboczi

The Coulter particle counting method has been in use for more than five decades. It records a change in resistance when a particle flows from a large reservoir...

Verification of Calibration Methods for Determining Photon-Counting Detection Efficiency using Superconducting Nano-Wire Single Photon Detectors

September 4, 2017

Author(s)

Igor Vayshenker, Robert D. Horansky, John H. Lehman, Malcolm G. White, Sae Woo Nam, Ingmar Mueller, Lutz Werner, G. Wuebbeler

In the recent years several ways to radiometrically calibrate optical fiber-coupled detectors have been developed. However, fiber-coupled calibration methods...

Anion Capture and Exchange by Functional Coatings: New Routes to Mitigate Steel Corrosion in Concrete Infrastructure

September 4, 2017

Author(s)

Gabriel Falzone, Magdalena Balonis, Dale P. Bentz, Scott Jones, Gaurav Sant

Chloride induced corrosion is a major cause of degradation of reinforced concrete infrastructure. While the binding of chloride ions (Cl-) by cementitious...

Experimental Investigation of Wood Decking Assemblies Exposed to Firebrand Showers

September 1, 2017

Author(s)

Samuel Manzello, Sayaka Suzuki

Wildland-Urban Interface (WUI) fires have become a problem of great concern across multiple continents. An important mechanism of structure ignition in WUI...

Ionizing Radiation Processing and its Potential in Advancing Biorefining and Nanocellulose Composite Materials Manufacturing

September 1, 2017

Author(s)

Michael T. Postek, Dianne L. Poster, Andras Vladar, Mark S. Driscoll, Jay A. LaVerne, Zios Tsinas, Mohamad Al-Sheikhly

Nanocellulose is a high value material that has gained increasing attention because of its high strength, stiffness, unique photonic and piezoelectric...

3.5 GHz Environmental Sensing Capability Detection Thresholds and Deployment

September 1, 2017

Author(s)

Thao Nguyen, Anirudha Sahoo, Michael R. Souryal, Timothy Hall

Spectrum sharing in the 3.5~GHz band between commercial and government users along U.S. coastal areas depends on an Environmental Sensing Capability (ESC)--...

Quantum Light Turned on by Nanotube Chemistry

September 1, 2017

Author(s)

Ming Zheng, Kartik A. Srinivasan

Room-temperature single-photon emission at telecom wavelengths is realized by organic color centers chemically implanted on chirality-defined single-wall carbon...

Optimizing High-Resolution Mass Spectrometry for the Identification of Low-Abundance Post- Translational Modifications of Intact Proteins

September 1, 2017

Author(s)

Lisa E. Kilpatrick, Eric L. Kilpatrick

Intact protein analysis by liquid chromatography-mass spectrometry (LC-MS) is now possible due to the improved capabilities of mass spectrometers yielding...

An experimental study of precast concrete moment frames under a column removal scenario

September 1, 2017

Author(s)

Hai S. Lew, Joseph Main, Yihai Bao, Fahim Sadek, Vincent P. Chiarito, Stephen D. Robert, Jorge Torres

This paper presents a full-scale experimental study of two precast concrete moment-frame assemblies, each comprising three columns and two beams. The assemblies...

Calibration and impact of bulk trap-assisted tunneling and Shockley-Read-Hall currents in InGaAs tunnel-FETs

September 1, 2017

Author(s)

Quentin Smets, Anne S. Verhulst, Eddy Simoen, David J. Gundlach, Curt A. Richter, Nadine Collaert, Marc Heyns

The tunnel-FET (TFET) is a promising candidate for future low-power logic applications because it enables a sub-60 mV/dec subthreshold swing. However, most...

Modifying Surface Fluctuations of Polymer Melt Films with Substrate Modification

September 1, 2017

Author(s)

Yang Zhou, Qiming He, Fan Zhang, Feipeng Yang, Suresh Narayanan, Guangcui Yuan, Ali Dhinojwala, Mark D. Foster

Deposition of a plasma polymerized film on a silicon substrate changes the fluctuations on the surface of a sufficiently thin, melt polystyrene (PS) film atop...

Advancing coordinated cyber-investigations and tool interoperability using a community developed specification language

September 1, 2017

Author(s)

Eoghan Casey, Sean Barnum, Ryan Griffith, Jonathan Snyder, Harm van Beek, Alexander J. Nelson

Any investigation can have a digital dimension, often involving information from multiple data sources, organizations and jurisdictions. Existing approaches to...

The structural phases and vibrational properties of Mo1−xWxTe2 alloys

September 1, 2017

Author(s)

Sean M. Oliver, Ryan Beams, Sergiy Krylyuk, Arunima Singh, Irina Kalish, Alina Bruma, Francesca Tavazza, Iris Stone, Stephan J. Stranick, Albert Davydov, Patrick M. Vora

The structural polymorphism in transition metal dichalcogenides (TMDs) provides exciting opportunities for developing advanced electronics. For example, MoTe2...

Threshold Dynamics of a Semiconductor Single Atom Maser

August 31, 2017

Author(s)

Michael Gullans, Jacob M. Taylor, Yinyiu Liu, J. Stehlik, Christopher Eichler, X Mi, T Hartke, Jason Petta

We demonstrate a single-atom maser consisting of a semiconductor double quantum dot (DQD) that is embedded in a high quality factor microwave cavity. A finite...

A computational framework for designing Ni-based superalloy

August 31, 2017

Author(s)

Sheng Yen Li, Ursula R. Kattner, Carelyn E. Campbell

A computational framework is proposed to provide an interdisciplinary environment to develop γ/γ Ni-based superalloys. A prototype design is demonstrated to...

3D Cellular Morphotyping of Cell Niches

August 31, 2017

Author(s)

Stephen J. Florczyk, Mylene H. Simon, Derek Juba, Patrick S. Pine, Sumona Sarkar, Desu Chen, Paula J. Baker, Subhadip Bodhak, Antonio Cardone, Mary C. Brady, Peter Bajcsy, Carl G. Simon Jr.

Three-dimensional (3D) cellular morphotyping is introduced for assessing and comparing the niches provided by biomaterial scaffolds. Many scaffold systems have...

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