Search Publications

NIST Authors in Bold

Displaying 251 - 275 of 319

Characterization of Ternary Compounds in the BaO:Fe 2 O 3 :TiO 2 System: Ba 6 Fe 45 Ti 17 O 106 and BaFe 11 Ti 3 O 23

January 1, 1999

Author(s)

Terrell A. Vanderah, Winnie K. Wong-Ng, B H. Toby, V. M. Browning, Robert D. Shull, Richard G. Geyer, Robert S. Roth

… former compound exhibits variable stoichiometry Ba 6 Fe 48-x Ti 14+x O 106 , with the Fe:Ti ratio dependent upon the … approaches zero with the resulting stoichiometry Ba 6 Fe 48 Ti 14 O 106 (all Fe^3+^ and Ti 4+ ). The structures of Ba … b = 20.260(1), c = 10.076(1) , = 105.27(1) ; V = 3818.5(3) } 3 ; Z = 2; ρ calc = 5.08 g/cm 3 . BaFe 11 Ti 3 O 23 : …

Etch Rates and Selectivities of Citric Acid/Hydrogen Peroxide on GaAs, A1 0.3 Ga 0.7 As, In 0.2 Ga 0.8 As, in 0.53 Ga 0.47 As, In 0.52 A1 0.48 As, and InP

March 1, 1992

Author(s)

G. C. DeSalvo, W. F. Tseng, J. Comas

… 0.7 As, In 0.2 Ga 0.8 As, in 0.53 Ga 0.47 As, In 0.52 A1 0.48 As, and InP …

Magnetism and Peierls distortion in Dirac semimetal CaMnBi2

November 5, 2025

Author(s)

Aashish Sapkota, Niraj Aryal, Xiao Hu, Masaaki Matsuda, Yan Wu, Guangyong Xu, John Wilde, Andreas Kreyssig, Paul Canfield, Cedomir Petrovic, John Tranquada, Igor Zaliznyak

… and magnetic symmetry-lowering transition at T∗ = 48(2) K, from a tetragonal lattice with C-type …

Extending the Linear Dynamic Range of Single Particle ICP-MS for the Quantification of Microplastics

September 5, 2025

Author(s)

George Caceres, Monique Johnson, John Molloy, SANG BOK LEE, Antonio Montoro Bustos

… response to the growing concern of microplastics (1 µm to 5 mm) accumulation in the environment, the development of … content (13C+) is extended to larger particle sizes (5 µm) by using a single cell sample introduction system, … for a full suite of commercial PS MPs ranging from 2 µm to 5.0 µm as well as a 2.2 µm and 4.8 µm PS MP contained within …

Single-Crystalline 3D Covalent Organic Frameworks with Exceptionally High Specific Surface Areas and Gas Storage Capacities

October 11, 2024

Author(s)

Baoqiu Yu, Yu Tao, Xuan Yao, Yucheng Jin, Shan Liu, Tongtong Xu, Hailong Wang, Hui Wu, Wei Zhou, Xin Zhou, Xiao Wang, Xu Ding, Xin Xiao, Yue-Biao Zhang, Jianzhuang Jiang

… 4,4',4'',4'''-methanetetrayltetraaniline (TAM) with 3,3',5,5'- tetrakis(4-formylphenyl)bimesityl (TFPB) and … activated COFs centered at 1.36 nm for TAM-TFPB-COF and 1.48 nm for TAPB-TFS-COF together with their exceptionally high …

Control of Micro-and Nanostructure of Layered Double Hydroxides by Hydrothermal Treatment

February 23, 2023

Author(s)

Keiichiro Maegawa, Fan Zhang, Qiaxian Johnson, Mihaela Jitianu, Tan Wai Kian, Go Kawamura, Atsunori Matsuda, Andrei Jitianu

… by hydrothermal treatments that varied from 0 h to 48 h. Based on measured data using X-ray diffraction, …

Implications of the strain irreversibility cliff on the fabrication of particle-accelerator magnets made of restacked-rod-process Nb3Sn wires

April 2, 2019

Author(s)

Najib Cheggour, Theodore C. Stauffer, Loren F. Goodrich, Jolene D. Splett, William Starch, Arup Ghosh

… at θ in the range of 680 to 695 °C (when the dwell time is 48 hours). …

Global metabolomic responses in urine from Atm deficient mice in response to LD50/30 gamma irradiation doses

August 9, 2018

Author(s)

Evagelia C. Laiakis, Tytus Mak, Steven J. Strawn, Yi-Wen Wang, Bo-Hyun Moon, Pelagie Ake, Albert J. Fornace

… acid, xanthurenic acid, 2-oxoadipic acid, glutaric acid, 5'-deoxy-5'-methylthioadenosine, and hippuric acid. These …

Chapter 4: Thermodynamics

November 15, 2016

Author(s)

Ursula R. Kattner, Tore Haug-Warberg, Long-Qing Chen, Bengt Hallstedt, Andre Costa e Silva, Joonho Lee, Jean-Marc Joubert, Jean-Claude Crivello, Zhang Fan, Bethany Huseby

… pressure and composition conditions. Section 4.5 focuses on thermodynamic data, data formats and databases. …

Measurement of the O2O3O4 and O3O4O5 Super Coster-Kronig Rates in Tungsten via Asymmetric Diffraction Spectrometry

March 7, 2014

Author(s)

Lawrence T. Hudson, John F. Seely, Jack L. Glover, Yuri Ralchenko, Nino R. Pereira, Uri Feldman

The tungsten Lγ transitions between 11 keV and 12 keV and Kα transitions from 57 keV to 60 keV were produced by a laboratory electron-bombarded x-ray source and simultaneously recorded with high-resolution by using multiple diffraction planes of the same

NIST System for Measuring the Directivity Index of Hearing Aids under Simulated Real-Ear Conditions

January 24, 2013

Author(s)

Randall P. Wagner

The directivity index is a parameter that is commonly used to characterize the performance of directional hearing aids, and is determined from the measured directional response. Since this response is different for a hearing aid worn on a person as

Developing a Diffusive Reference Material for VOC Emissions Testing: Pilot Interlaboratory Study

February 25, 2011

Author(s)

Cynthia H. Reed, Zhe Liu, Jennifer Benning, Steven Cox, Daniel V. Samarov, Dennis D. Leber, Al Hodgson, Stephany Mason, Doyun Won, John C. Little

… sides of the sample agreed within 3 % at a sample time of 48 h. The success of this pilot ILS is a key step toward …

Overall and Local Movement Speeds During Fire Drill Evacuations in Buildings up to 31 Stories

September 17, 2010

Author(s)

Richard D. Peacock, Bryan L. Hoskins, Erica D. Kuligowski

… While average movement speeds in the current study of 0.48 m/s ± 0.16 m/s (1.6 ft/s ± 0.52 ft/s) are observed to be … stairwell, ranging from 0.056 m/s to 1.7 m/s (0.18 ft/s to 5.6 ft/s). These data should provide confirmation of the …

Comparison of Clinical Methods with Isotope Dilution ICP-MS for the New Standard Reference Material 955c Lead In Caprine Blood

May 26, 2009

Author(s)

Karen E. Murphy, Thomas W. Vetter, Gregory C. Turk, Christopher D. Palmer, Miles E. Lewis, Ciaran M. Geraghty, Patrick J. Parsons, William F. Guthrie

… lead levels, but excellent agreement near 10 µg/dL (0.48 µmol/L), the current threshold defined by the U.S. Centers …

Effects of the Acetone Content of Single Solution Dentin Bonding Agents on the Adhesive Layer Thickness and the Microtensile Bond Strength

October 16, 2008

Author(s)

B H. Cho, Sabine H. Dickens

… by digitized image analysis. MTBS was measured after 48 h. The fracture surfaces were observed using SEM.Results: …

The Role of Water in the Thermodynamics of Drug Binding to Cyclodextrin

July 1, 2007

Author(s)

Niya Tordorova, Frederick P. Schwarz

… change ranging from 0 for FLP binding to gCD to -362+48 J mol-1K-1 for FLP binding to bCD. This correlation …

Interfacial Shear Strengths of Dental Resin-Glass Fibers by the Microbond Test

November 1, 2001

Author(s)

Walter G. McDonough, Joseph M. Antonucci, Joy Dunkers

… essentially unchanged at (n > 7) 31.8 (7.7) and 17.5 (4.9) MPa respectively; the MPTMS specimens showed a …

Whisker-Reinforced Dental Core Buildup Composites: Effect of Filler Level on Mechanical Properties

December 1, 2000

Author(s)

Hockin D. Xu, Douglas T. Smith, Gary E. Schumacher, F Eichmiller

… increased from (149 33) for the unfilled resin to (282 48) at 10% filler level, and remained equivalent from 10 to …

Effect of In Vitro Acidification on Plaque Fluid Composition With and Without a NaF or a Controlled-Release Fluoride Rinse

September 1, 1999

Author(s)

Gerald L. Vogel, Z Zhang, Laurence C. Chow, Clifton M. Carey, Gary E. Schumacher, D Banting

… release of fluoride, and other ions, was examined in 48-hour-fasted plaque fluid from subjects (n=11) who received … centrifuged to yield plaque fluid, acidified (0.1 L of 0.5 mol/L HCI per milligram plaque), and then re-centrifuged … Average fluoride release after acidification (average pH, 5.2) was statistically greater following the use of the CR …

Urban-Scale Building Air Change Rate Estimation Using Corrected Wind Speeds and Three-Zone Building Modeling

September 16, 2025

Author(s)

Yasemin Usta, William Dols, Guglielmina Mutani

… and multizone airflow simulations using CONTAM. Using a 5 × 5m analysis grid and a 1m resolution 3D built environment … to 20 %. In particular, the error was reduced from 68 % to 48 % in December and from 49 % to 32 % in January, …

The role of indoor surface pH in controlling the fate of acids and bases in an unoccupied residence

February 26, 2024

Author(s)

Jenna Ditto, Marc Webb, Han Huynh, Jie Yu, Glenn Morrison, Barbara Turpin, Michael Alves, Kathryn Mayer, Michael Link, Allen Goldstein, Dustin Poppendieck, Marina Vance, Delphine Farmer, Arthur Chan, Jonathan Abbatt

The chemical composition of indoor air is strongly driven by the composition and properties of indoor surfaces. At the Chemical Assessments of Surfaces and Air (CASA) campaign, we performed controlled additions of ammonia (reaching up to 297 ppb to 662 ppb

UniSpec: Deep Learning for Predicting the Full Range of Peptide Fragment Ion Series to Enhance the Proteomics Data Analysis Workflow

February 8, 2024

Author(s)

Joel Lapin, Xinjian (Eric) Yan, Qian Dong

… boosts the identification rate of tryptic peptides by 48% at a 1% false discovery rate (FDR) and 60% at a more …

Semi-automated assembly of high-quality diploid human reference genomes

October 19, 2022

Author(s)

Erich Jarvis, Giulio Formenti, Jennifer McDaniel, Nathanael David Olson, Justin Wagner, Justin Zook, Kerstin Howe, Karen Miga

… most chromosomes within ±1% of the length of CHM13. Nearly 48% of protein-coding genes have non-synonymous amino acid …

A micromirror array with annular partitioning for high-speed random-access axial focusing

October 29, 2020

Author(s)

Nathan T. Ersumo, Cem Yalcin, Nick Antipa, Nicolas Pegard, Laura Waller, Omar D. Lopez, Rikky Muller

… consists of an 8.2 mm diameter array of piston-motion, 48 μm-pitch micromirror pixels that provide 2π phase shifting …

Spin Rotation Induced by Applied Pressure in Cd-Doped Ce 2 RhIn 8 Intermetallic Compound

October 21, 2019

Author(s)

D. S. Christovam, C. Giles, L. Mendonca-Ferreira, Juscelino Leao, William D. Ratcliff, Jeffrey W. Lynn, S. Ramos, E. N. Hering, H. Hidaka, E. Baggio-Saitovich, Z. Fisk, P. G. Pagliuso, C. Adriano

The pressure evolution of the magnetic properties of the Ce 2RhIn 7.79Cd 0.21 heavy fermion compound was investigated by single crystal neutron magnetic diffraction and electrical resistivity experiments under applied pressure. From the neutron magnetic

Advanced communications
-Open Radio Access Network (Open-RAN)
-Quantum communications
-Spectrum sharing
-Wireless (RF)
Artificial intelligence
-AI measurement and evaluation
-Autonomous systems
--Automated vehicles
--Autonomous laboratories
-Applied AI
-Fundamental AI
-Hardware for AI
-Machine learning
-Trustworthy and responsible AI
Bioscience
-Bioeconomy
--Biological data
-Bioimaging
-Bioinformatics
-Biomanufacturing
-Biomaterials
-Biometrology
-Biosecurity
--Biosurveillance
--Genomic cybersecurity
--Nucleic acid sequence screening
-Cell measurements
-Engineering / synthetic biology
--Biofabrication
--Cell-free systems
--Genome engineering
--Protein engineering
-Gene delivery systems
-Genome editing
-Genomics
-Glycomics
-Metabolomics
-Microbial measurements
-Proteomics
Buildings and Construction
-Building codes and standards
-Building control systems
-Building damage and repair
-Building economics
-Building materials
-Energy efficiency
-Heating, ventilation and air conditioning equipment
-Indoor air quality
-Structural engineering
-Thermal comfort
Chemistry
-Analytical chemistry
-Chemical engineering and processing
-Chemical thermodynamics and chemical properties
-Molecular characterization
-Theoretical chemistry and modeling
-Thermochemical properties
Electronics
-Electromagnetics
-Flexible electronics
-Magnetoelectronics
-Optoelectronics
-Organic electronics
-Semiconductors
-Sensors
-Superconducting electronics
Energy
-Alternative energy
-Conventional energy
-Electric power / smart grid
-Fuels
Environment
-Air / water / soil quality
-Climate Measurements
-Environmental health
-Greenhouse gas measurements
-Marine science
-Sustainability
Fire
-Fire detection
-Fire dynamics and science
-Fire fighting
-Fire modeling
-Fire risk reduction
-Materials flammability
-Structural fire resistance
-Wildland urban interface fire
Forensic Science
-Digital evidence
-Drugs and toxicology
-Firearms and toolmarks
-Forensic biometrics
-Forensic genetics
-Trace evidence
Health
-Biopharmaceuticals
-Cell and gene therapy
-Clinical diagnostics
--Cancer
--Medical imaging
-Food and nutrition
-Human microbiome
-Precision medicine
-Regenerative medicine and advanced therapy
--Flow cytometry
Information technology
-Biometrics
-Cloud computing and virtualization
-Complex systems
-Computational science
-Conformance testing
-Cyber-physical systems
--Smart cities
-Cybersecurity and privacy
--Cryptography
--Cybersecurity education and workforce development
--Cybersecurity measurement
--Identity and access management
--Privacy engineering
--Risk management
--Securing emerging technologies
--Trustworthy networks
--Trustworthy platforms
-Data and informatics
--Human language technology
--Information retrieval
--Natural language processing
-Digital twins
-Federal information processing standards (FIPS)
-Health IT
-Internet of Things (IoT)
-Interoperability testing
-Location based services
-Mobile
-Networking
--Mobile and wireless networking
--Network management and monitoring
--Network modeling and analysis
--Network security and robustness
--Network test and measurement
--Next generation networks
--Protocol design and standardization
--Software defined and virtual networks
-Software research
--Software testing
-Usability and human factors
--Accessibility
-Video analytics
-Virtual / augmented reality
-Visualization research
-Voting systems
Infrastructure
Manufacturing
-Additive manufacturing
-Factory communications
-Factory operations planning and control
-Interoperability in manufacturing
-Machining
-Manufacturing economics
-Manufacturing quality assurance
-Manufacturing systems design and analysis
-Monitoring, diagnostics and prognostics
-Process improvement
-Process measurement and control
-Product data
-Robotics
--Agility and adaptability
--Collaborative robots
--Dexterous grasping
--Manipulation
--Mobility and industrial autonomous vehicles
--Navigation / actuation / control
--Sensing and perception
-Supply chain
-Sustainable manufacturing
-Systems engineering
-Systems integration
-Technology commercialization
Materials
-Ceramics
-Composites
-Concrete / cement
-Materials characterization
--Composition and structure
--Mechanical properties
--Thermal properties
-Metals
-Modeling and computational material science
-Polymers
-Superconductors
Mathematics and statistics
-Experiment design
-Image and signal processing
-Modeling and simulation research
-Numerical methods and software
-Statistical analysis
-Uncertainty quantification
Metrology
-Amount of substance
-Dimensional metrology
-Electrical / electromagnetic metrology
-Flow metrology and rheology
-Force metrology
-Humidity metrology
-Ionizing radiation metrology
-Mass metrology
-Metric
-Optical / photometry / laser metrology
-Pressure and vacuum metrology
-Thermometry metrology
-Time and frequency metrology
-Weights and measures
Nanotechnology
-Nanobiotechnology
-Nanochemistry
-Nanoelectronics
-Nanofabrication / manufacturing
--Lithography
--Self-assembly
-Nanofluidics
-Nanomagnetics
-Nanomaterials
-Nanomechanics
-Nanometrology
-Nanophotonics
-Nanophysics
-Nanoplasmonics
Neutron research
Performance excellence
-Assessment tools and services
-Baldrige award
-Baldrige examiners
-Baldrige Framework and Criteria
-Best practices
-Leadership development
Physics
-Atomic / molecular / quantum
-Biological physics
-Condensed matter
-Electron physics
-Magnetics
-Nuclear physics
-Optical physics and communications
-Quantum information science
-Radiation
-Spectroscopy
-Thermodynamics
-Time and frequency
Public safety
-Chemical / Biological / Radiological / Nuclear / Explosives (CBRNE)
-First responder preparedness
-Law enforcement
-Public safety communications research
-Response robots
Resilience
-Community resilience
--Recovery
--Resilience metrics
-Disaster and failure studies
-Earthquake risk reduction
-Resilience economics
-Resilient materials
-Windstorm impact reduction
Standards
-Accreditation
-Calibration services
-Conformity assessment
-Documentary standards
-Frameworks
-Quality assurance
-Reference data
-Reference instruments
-Reference materials
-Standards education
Technology transfer
Transportation
-Aerospace
-Automotive