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Journals

Calorimetric Study of Polymorphism in 1-Butyl-3-methylimidazolium Hexafluorophosphate

July 6, 2016

Author(s)

Yauheni Paulechka, Tatsiana Liavitskaya, Andrey V. Blokhin

Stable and metastable crystal phases of 1-butyl-3-methylimidazolium hexafluorophosphate were obtained in an adiabatic calorimeter providing precise temperature

Design of a MEMS-based motion stage based on a lever mechanism for generating large displacements and forces

July 6, 2016

Author(s)

Yong Sik Kim, Hongliang Shi, Nicholas Dagalakis, Satyandra K. Gupta

Conventional miniaturized motion stages have the volume of 50 to 60 cm3 and the range of motion around 100 µm. Micro-Electro-Mechanical Systems (MEMS)-based

Metallic Nickel Silicides: Experiments and Theory for NiSi and First Principles Calculations for other Phases

July 5, 2016

Author(s)

Ashutosh Dahal, Jagath Gunasekera, Leland Harriger, Deepak K. Singh, David J. Singh

We report detailed experimental investigation of the transport and magnetic properties of orthorhombic NiSi along with first principles studies of this phase

Rheology of clustering protein solutions

July 5, 2016

Author(s)

Vishnu Dharmaraj, P. Douglas Godfrin, Yun Liu, Steven Hudson

High viscosity is a major challenge with protein therapeutics at extremely high concentration. Understanding the relationship between the concentration of a

Indoor Carbon Dioxide Concentrations in Ventilation and Indoor Air Quality Standards

July 4, 2016

Author(s)

Andrew Persily

Indoor carbon dioxide (CO2) concentrations have played a role in discussions of ventilation and indoor air quality (IAQ) since the 18th century. Those

How to Evaluate Ventilation in IAQ Studies

July 4, 2016

Author(s)

Andrew Persily, Paul Wargocki

Currently, many indoor air quality studies fail to adequately describe ventilation in the space or building being studied. In other cases, ventilation rates are

Infrared thermography of welding zones produced by polymer extrusion additive manufacturing

July 2, 2016

Author(s)

Jonathan E. Seppala, Kalman D. Migler

In common thermoplastic additive manufacturing (AM) processes, a solid polymer filament is melted, extruded though a rastering nozzle, welded onto neighboring

Recent Activities of the National Commission on Forensic Science

July 1, 2016

Author(s)

John Butler

In February 2013, the U.S. Department of Justice (DOJ) and the National Institute of Standards and Technology (NIST) announced a partnership that included

Bubble Point Measurements of n-Propane + n-Decane Binary Mixtures with Comparisons of Binary Mixture Interaction Parameters for Linear Alkanes

July 1, 2016

Author(s)

Elisabeth Mansfield, Ian H. Bell, Stephanie L. Outcalt

To develop comprehensive models for multi-component natural gas mixtures (and other applications), it is necessary to have binary interaction parameters for

TRECVid Semantic Indexing of Video: A 6-Year Retrospective

July 1, 2016

Author(s)

George M. Awad, Cees Snoek, Alan Smeaton, Georges Quenot

Semantic indexing, or assigning semantic tags to video samples, is a key component for content-based access to video documents and collections. The Semantic

Frustration by Design

July 1, 2016

Author(s)

Ian J. Gilbert, Cristiano Nisoli, Peter Schiffer

Dimensional Measurement Uncertainty from Data. Part 2: Uncertainty R&R

July 1, 2016

Author(s)

Theodore D. Doiron

While check standards will eventually give the most accurate uncertainty for a calibration procedure, the time and expense can be discouraging. Another common

Observation of strong radiation pressure forces from squeezed light on a mechanical oscillator

July 1, 2016

Author(s)

Jeremy B. Clark, Florent Q. Lecocq, Raymond W. Simmonds, Jose A. Aumentado, John D. Teufel

Quantum-enhanced sensing is a powerful technique in which nonclassical states are used to optimize the sensitivity of a measurement. Although squeezed light in

Enabling Interactive Measurements from Large Coverage Microscopy

July 1, 2016

Author(s)

Peter Bajcsy, Antoine Vandecreme, Julien M. Amelot, Mary C. Brady, Joe Chalfoun, Michael P. Majurski

Microscopy could be an important tool for characterizing stem cell products if quantitative measurements could be collected over multiple spatial and temporal

NIST DSQAP to Implement the Incremental Collaborative Study Approach for Chondroitin Sulfate

July 1, 2016

Author(s)

Melissa M. Phillips, Catherine A. Rimmer, Laura J. Wood

Electron Enhanced Growth of Crystalline Gallium Nitride Thin Films at Room Temperature and 100 C Using Sequential Surface Reactions

July 1, 2016

Author(s)

Alexana Roshko, Jaclyn Sprenger, Andrew S. Cavanagh, Steven George, Huaxing Sun, Kathryn J. Wahl

Low energy electrons may provide mechanisms to enhance thin film growth at low temperatures. In this work, gallium nitride (GaN) films were deposited over areas

Operation Tomodachi -Fire Research Special Issue

July 1, 2016

Author(s)

Samuel L. Manzello, Sayaka Suzuki

NISTs Engineering Laboratory (EL-NIST) hosted Operation Tomodachi Fire Research on March 16-18, 2015 in Gaithersburg, MD USA. Tomodachi means friendship in

Addressing Pressing Cybersecurity Issues through Collaboration

July 1, 2016

Author(s)

William J. Fisher

The National Cybersecurity Center of Excellence (NCCoE) at the National Institute of Standards and Technology addresses businesses most pressing cybersecurity

Perfluorinated Alkyl Acids in the Plasma of South African Crocodiles (Crocodylus niloticus)

July 1, 2016

Author(s)

Jessica L. Reiner, John Bowden, Ian Christie, Matthew P. Guillette, Theresa M. Cantu, Russell H. Lowers, Hannes Botha, Wilmien Luus-Powell, Willem J. Smit, Danny Govender, Danie Pienaar, Louis J. Guillette Jr.

Perfluorinated alkyl acids (PFAAs) are environmental contaminants that have been used in many products for over 50 years. Interest and concern has grown since

Underlayer Effect on Perpendicular Magnetic Anisotropy in Co(sub20)Fe(sub60)B(sub20)/MgO

July 1, 2016

Author(s)

Andrew P. Chen, Yury Y. Iunin, S F. Cheng, Robert D. Shull

Perpendicular Magnetic Tunneling Junctions (pMTJs) with Ta\CoFeB\MgO have been extensively studied in recent years. However, the effects of the underlayer on

Shaping, Forming and Modeling of Advanced High Strength Steel

July 1, 2016

Author(s)

Mark R. Stoudt

no abstract

Data Acquisition and Analysis Software for Gamma Coincidence Spectrometry

July 1, 2016

Author(s)

Martin Girchis Shetty, Dagistan Sahin

Coincidence counting in neutron activation analysis has well-known advantages, such as enhancement of signal and reduction in background. One obstacle to the

Stabilizing Lithium and Sodium Fast-Ion Conduction in Solid Polyhedral-Borate Salts at Device-Relevant Temperatures

July 1, 2016

Author(s)

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

Mechanically milling a variety of lithium and sodium closo-borate compounds enables the room-temperature stabilization of their fast-ion-conducting, high-T-like

Nanostructured Surface Phonon Polariton Systems for Mid-Infrared Nanophotonics

July 1, 2016

Author(s)

Alexander Giles, Richard Kasica, Joshua Caldwell

In this article, novel, phonon-based silicon carbide nanopillar antenna arrays are described. Using fabricated SiC structures, sub-diffractional, localized

High-Pressure Synthesis of Manganese Oxyhydride with Partial Anion Order

July 1, 2016

Author(s)

Cedric Tassel, Yoshinori Goto, Daichi Watabe, Ya Tang, Honcheng Lu, Yoshinori Kuno, Fumitaka Takeiri, Takafumi Yamamoto, Craig Brown, James Hester, Yoji Kobayashi, Hiroshi Kageyama

We report the high-pressure synthesis of a manganese oxyhydride LaSrMnO 3.3H 0.7. Neutron and X-ray Rietveld analyses showed this compound adopts the K 2NiF 4

Strong Correlations between Vacancy and Magnetic Ordering in Superconducting K_0.8Fe_2-ySe₂

July 1, 2016

Author(s)

Junjie Yang, Chunruo Duan, Qingzhen Huang, Craig Brown, Joerg Neuefeind, Despina Louca

The debate of whether or not magnetic and non-magnetic phases coexist in the superconducting potassium doped iron selenide, K xFe 2-ySe 2, is still ongoing

Direct time-domain observation of attosecond final-state lifetimes in photoemission from solids

July 1, 2016

Author(s)

Zhensheng Tao, Cong Chen, Tibor Szilvasi, Mark W. Keller, Manos Mavrikakis, Henry C. Kapteyn, Margaret M. Murnane

Attosecond spectroscopic techniques have made it possible to measure differences in transport times for photoelectrons from localized core levels and

The Effect of Pearlite Dissolution on the Transient Dynamic Strength of Rapidly-Heated Plain Carbon Steels

June 30, 2016

Author(s)

Steven Mates, Mark R. Stoudt, Sindhura Gangireddy

Carbon steels containing ferrite-pearlite microstructures weaken dramatically when pearlite dissolves into austenite on heating. The kinetics of this phase

Costs, Benefits, and Adoption of Additive Manufacturing: A Supply Chain Perspective

June 30, 2016

Author(s)

Douglas Thomas

Currently, additive manufactured products represent less than one percent of all manufactured products in the US; however, as the costs of additive

Attractive Interactions between DNA-Carbon Nanotube hybrids in Monovalent Salts

June 30, 2016

Author(s)

Ming Zheng, Xiangyun Qiu, Fuyou Ke, Raju Timsina, Constantine Y. Khripin

DNA-carbon nanotube (DNA-CNT) hybrids are nanometer-sized, highly-charged, rod-like molecules with complex surface chemistry, and their behaviors in aqueous

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