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Field-induced polarization rotation and phase transitions 1 in 0.70Pb(Mg1/3Nb2/3)O3-2 0.30PbTiO3 piezoceramic observed by in situ high-energy X-ray scattering

June 12, 2018

Author(s)

Igor Levin, Dong Hou, Tedi-Marie Usher, Mojca Otonicar, Hana Ursic, Barbara Malic, Jacob Jones

Quantum Probability Estimation for Randomness with Quantum Side Information

June 12, 2018

Author(s)

Emanuel H. Knill, yanbao zhang, Honghao Fu

We develop a quantum version of the probability estimation framework [arXiv:1709.06159] for randomness generation with quantum side information. We show that most of the properties of probability estimation hold for quantum probability estimation (QPE)

Standard Reference Data Workshop Report

June 12, 2018

Author(s)

Debra L. Kaiser, Neil Alderoty, Richard R. Cavanagh, Barbara Guttman, Robert J. Hanisch, Adam G. Morey, Jeanita Pritchett, Yuri Ralchenko, Stacy S. Schuur, William E. Wallace

On October 17, 2017, the ODI sponsored a day-long Standard Reference Data Workshop. More than 120 NIST staff members and associates from four NIST laboratories and three offices registered for this workshop. The workshop format consisted of presentations

Correlation of Neutron-Based Strain Imaging and Mechanical Behavior of Armor Steel Welds Produced with the Hybrid Laser Arc Welding Process

June 11, 2018

Author(s)

Jeffrey W. Sowards, Daniel S. Hussey, David L. Jacobson, Stan Ream, Paul A. Williams

Bragg edge neutron transmission imaging was used to characterize the spatial distribution of thermally induced residual strains in a steel armor plate welded with a hybrid laser arc process. This residual strain distribution was compared to the spatial

Design of an Ultrathin Cold Neutron Detector

June 11, 2018

Author(s)

A. Osovizky, Kevin N. Pritchard, Y. Yehuda-Zada, Jeffrey B. Ziegler, Louis E. Binkley, Peter NMN Tsai, Alan Keith Thompson, Nancy Hadad, George M. Baltic, M. Jackson, C. Hurlbut, Charles Majkrzak, Nicholas C. Maliszewskyj

WE describe the designs, fabrication, and performance of an energy analyzing detector package for cold neutron spectrometers at the NIST Center for Neutron Research. The detector package consists of arrays of highly oriented pyrolytic graphite crystals set

Design of an Ultrathin Cold Neutron Detector

June 11, 2018

Author(s)

A. Osovizky, Kevin N. Pritchard, Y. Yehuda-Zada, Jeffrey B. Ziegler, Louis E. Binkley, Peter NMN Tsai, Alan Keith Thompson, Nancy Hadad, M. Jackson, C. Hurlbut, George M. Baltic, Charles Majkrzak, Nicholas C. Maliszewskyj

We describe the design and performance of an ultrathin ( 2mm) cold neutron proportional counter consisting of 6LiF:ZnS(Ag) scintillator in which wavelength shifting fibers have been embedded to conduct scintillation photons out of the medium to a silicon

Forensic Latent Fingerprint Preprocessing Assessment

June 11, 2018

Author(s)

Paul Y. Lee, Haiying Guan, Andrew M. Dienstfrey, Mary F. Theofanos, Brian C. Stanton, Matthew Schwarz

Internet of Things (IoT) Metrology

June 11, 2018

Author(s)

Jeff Voas, D. Richard Kuhn, Phillip Laplante

The field of metrology has evolved into many classes and viewpoints over centuries of time. What we are suggesting is how that body of knowledge may be applicable to IoT and where the research opportunities for new measures that are IoT-centric might be in

Modeling Agents as Joint Cognitive Systems in Smart Manufacturing Systems

June 11, 2018

Author(s)

Albert T. Jones, David [email protected] Romero, Thorsten Wuest

Latest innovations and developments in Information and Communication Technologies (ICTs) as well as Operational Technologies (OTs) are changing manufacturing forever. Ideas such as Industry 4.0 and the Industrial Internet of Things (IIoT) are attempting to

Operationalizing Bibliometrics as a Service in a Research Library

June 11, 2018

Author(s)

Susan L. Makar, Amy Trost

During the past year, librarians in the Information Services Office (ISO) of the National Institute of Standards and Technology (NIST) expanded ISOs bibliometric analysis services to include topic analysis and more customized services. The new services

Sesame: A Numerical Simulation Tool for Polycrystalline Photovoltaics

June 11, 2018

Author(s)

Benoit H. Gaury, Yubo Sun, Peter Bermel, Paul M. Haney

We present a new software simulation tool "Sesame", which solves the drift-diffusion-Poisson equations in 1 and 2-dimensions. Sesame is distributed both as an open source Python package and as a standalone executable for Windows. The software is designed

Ultra-sensitive mid-infrared emission spectrometer using a WSi superconducting nanowire single-photon detector

June 11, 2018

Author(s)

Varun Verma, Martin Stevens, Richard Mirin, Sae Woo Nam, Li Chen, Dirk Schwarzer, Jascha A. Lau

We evaluate the performance of a mid-infrared emission spectrometer operating at wavelengths between 2 and 7 υm based on an amorphous tungsten silicide (a-WSi) superconducting nanowire single-photon detector (SNSPD). To demonstrate the spectrometer's

Nanoscale imaging of photocurrent in perovskite solar cells using near-field scanning photocurrent microscopy

June 10, 2018

Author(s)

Dongheon Ha, Yohan Yoon, Ik Jae Park, Paul M. Haney, Nikolai B. Zhitenev

We study photocurrent generation and collection of methylammonium lead iodide perovskite solar cells with nanoscale resolution using a near-field scanning photocurrent microscopy (NSPM) technique. For NSPM measurements, we employ a non-contact mode atomic

Understanding the Performance and Challenges of DNS Query Name Minimization

June 9, 2018

Author(s)

Zheng Wang

As a promising solution to DNS privacy, query name minimization limits the unnecessary leakage of query name information in DNS requests. Due to the lack of detailed measurement study, there is little understanding of the performance, compatibility, and

Precipitation and dissolution of delta and gamma-double-prime during heat treatment of a laser powder-bed fusion produced Ni-based superalloy

June 8, 2018

Author(s)

Eric Lass, Mark R. Stoudt, Maureen E. Williams, Michael B. Katz

One drawback of the laser powder-bed fusion additive manufacturing (AM) technique is the build-up of residual stresses during processing that require a stress-relief heat treatment prior to components being removed from the build plate. Here, we

Precision determination of absolute neutron flux

June 8, 2018

Author(s)

Jeffrey S. Nico, Maynard S. Dewey, David M. Gilliam, Andrew T. Yue, Eamon Anderson, Geoff Greene, Alexander Laptev, William M. Snow

A technique for establishing the total neutron rate of a highly-collimated monochromatic cold neutron beam was demonstrated using the method of an alpha- gamma counter. The method requires only the counting of measured rates and is independent of neutron

Stakeholder Identification and Use Case Representation for Internet-of-Things Applications in Healthcare

June 8, 2018

Author(s)

Nancy Laplante, Phil Laplante, Jeff Voas

We begin the process of eliciting requirements for an Internet of Things application involving a hospital emergency room. First, we discuss the process of modeling IoT systems through Rich Pictures and Use Cases. Then, we demonstrate how these can be used

Dynamics of Phospholipid Membranes Beyond Thermal Undulations

June 7, 2018

Author(s)

Sudipta Gupta, Judith U. De Mel, Rasangi M. Perera, Piotr Zolnierczuk, Markus Bleuel, Antonio Faraone, Gerald J. Schneider

We investigated the molecular dynamics of unilamellar lipsomes by neutron spin echo spectroscopy. We report the first experimental evidence of a short-range motion at the length-scale of the size of the head group of a lipid. The associated mean square

Final Report for CCQM-K6.2: Determination of Total Cholesterol in Human Serum

June 7, 2018

Author(s)

Stephen Wise, Karen W. Phinney, David L. Duewer

Cholesterol is one of the most frequently measured substances in human blood/serum to assist in assessing the health status of individuals. Because of its clinical significance, CCQM-K6 Determination of Cholesterol in Serum was completed in 2000 as one of

Nanoscale tuning fork cavity optomechanical transducers with design-enabled frequency tuning and temperature compensation

June 7, 2018

Author(s)

Rui Zhang, Robert Ilic, Yuxiang Liu, Vladimir Aksyuk

In this work, we design, fabricate and characterize monolithic, nanoscale Si3N4 tuning fork cavity optomechanical transducers with design enabled tuning of mechanical resonant frequencies and passive temperature compensation. Both frequency tuning and

Protecting Controlled Unclassified Information in Nonfederal Systems and Organizations [including updates as of 06-07-2018]

June 7, 2018

Author(s)

Ronald S. Ross, Kelley L. Dempsey, Patrick Viscuso, Mark Riddle, Gary Guissanie

[Superseded by SP 800-171 Rev. 2 (February 2020): https://doi.org/10.6028/NIST.SP.800-171r2] The protection of Controlled Unclassified Information (CUI) resident in nonfederal systems and organizations is of paramount importance to federal agencies and can

Security Recommendations for Server-based Hypervisor Platforms

June 7, 2018

Author(s)

Ramaswamy Chandramouli

The Hypervisor platform is a collection of software modules that provides virtualization of hardware resources (such as CPU, Memory, Network and Storage) and thus enables multiple computing stacks (made of an operating system (OS) and application programs)

State-of-the-Art in Human-Robot Interaction

June 7, 2018

Author(s)

Jeremy Marvel, Megan Zimmerman, Shelly Bagchi

In this chapter, we will discuss the applications of HRI and HMI in industrial robotics, and will discuss topics such as collaborative robot safety, advances in HMI designs and development paradigms, and the current state of HRI. Throughout the following

Amorphous BN - Hexagonal MoTe2 Heterostructures for Improved Oxidation Resistance and Endurance of 2D Field Effect Transistors

June 6, 2018

Author(s)

Benjamin Sirota, Nicholas Glavin, Sergiy Krylyuk, Albert Davydov, Andrey A. Voevodin

Environmental and thermal stability of two-dimensional (2D) transition metal dichalcogenides (TMDs) remains a fundamental challenge towards enabling robust electronic devices. Few-layer 2H-MoTe2 with an amorphous boron nitride (a-BN) covering layer was

Chain Terminal Group Leads to Distinct Thermoresponsive Behaviors of Linear PNIPAM and Polymer Analogs

June 6, 2018

Author(s)

Xiaolong Lang, Alexander D. Patrick, Boualem Hammouda, Michael J. A. Hore

Poly(alkyl acrylamides), most notable poly(N-isopropylacrylamide) (PNIPAM), are widely studied thermoresponsive polymers. Linear PNIPAM, poly(N-n-propylacrylamide) (PNnPAM) and poly(N-cyclopropylacrylamide) (PNCPAM) were synthesized via RAFT polymerization

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