U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Publications

NIST Authors in Bold

Displaying 776 - 800 of 1415

International Interlaboratory Comparison of Mixtures of Polystyrenes With Different End Groups Obtained by Matrix Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometry (MALDI-TOF-MS): Preliminary Results

January 1, 2004
Author(s)
Charles M. Guttman, S Wetzel, Kathleen M. Flynn, B M. Fanconi, William E. Wallace, David L. VanderHart
… on a PS and compared the results with classical methods.1 Polystyrenes of a molecular mass around 9000 with two … were sent to any institution requesting it. A total of 14 institutions participated. …

Wavelength and Temperature Performance of Polarization Transforming Fiber

December 1, 2003
Author(s)
Allen Rose, N. Feat, Shelley M. Etzel
… making fiber samples 30 mm long with losses less than 1 dB and a polarization-mode conversion from circular to … dependence of a sample fiber 30 mm long was about 1.4 × 10 -4 nm 1 , and the measured normalized temperature dependence was …

Relationship of Dentin Shear Bond Strengths to Different Laboratory Test Designs

June 1, 2002
Author(s)
Sabine H. Dickens, M F. Milos
… Part I 2 3 - factorial design evaluated the effects of (1) 2 primer systems (2) the detin moisture level, and (3) the … as the substrate while comparing 6 shear test designs: (1) knife-edged chisel-on-iris; (2) similar to 1 with support … in part I mean shear bond strengths (SBS) ranged from 14-36 Mpa. SBS was highest for either primer when it was …

Accurate Pattern Registration for Integrated Circuit Tomography

July 1, 2001
Author(s)
Zachary H. Levine, S Grantham, S Neogi, S P. Frigo, I McNulty, C C. Retsch, Y Wang, Thomas B. Lucatorto
… copper integrated circuit interconnect was imaged using 1.83 keV x-rays at 14 angles employing a full-field Fresnel zone plate … by agreement between an x-ray parallax measurement of 1.41 0.7 m and a measurement of 1.58 0.08 m from an scanning …

TEM Study of the Electron-Doped Layered La 2-2x CA 1+2x Mn 2 0 7 : Orthorhombic Phase in 0.8 x 1.0 Composition Range

March 1, 2001
Author(s)
Leonid A. Bendersky, R Chen, I D. Fawcett, M Greenblatt
… compounds with n = 2 and stoichiometry La 2-2x Ca 1+2x Mn 2 0 7 were synthesized by a citrate gel technique and … 0.8 (less than or equal to) x (less than or equal to) 1.0. In-situ experiments and analysis of substructure/twins identified structural changes of the 14/mmm phase at low temperatures (200-350 C). Analysis of the …

Wind-Driven Fire Spread to a Structure from Landscape Timbers

April 16, 2025
Author(s)
Erik Johnsson, Kathryn Butler, Marco Fernandez, Wei Tang, Shonali Nazare, Philip Deardorff, Sebastian Arana, Alexander Maranghides
… x 8.9 cm (2.75 in x 3.5 in) pine timbers, pressure-treated 14.0 cm x 14.0 cm (5.5 in x 5.5 in) pine lumber, and creosote-treated … ground at the end farthest from a small structure located 1.83 m (6 ft) downwind of the trailing end of the timber. For …

Energy Efficiency Scaling for 2 Decades (EES2) R&D Roadmap. V1.0 for Compute

April 3, 2025
Author(s)
Tina Kaarsberg, M Ahmed, A Paramonov, Amanda Petford-Long, Y Zhang, C Green, D Braga, F Fatim, F Musso, J Hoff, T Shah, P Nagapurkar, S Pawlowski, W Huang, C Gotama, P Klabbers, A Ziabari, Y Chen, T Wei, B Hirano, T McDonald, A Bhavnagarwala, S Misra, James Booth, Daniel Gopman, P Sharps, J Baniecki, E Salman, J Luo, S Shaheen, D Kudithipudi, J Atulasimha, J Ballard, I Lu, K Shimizu, N Johnson, E Taylor, R Jones, S Shankar
… less) to reach an energy efficiency improvement factor of 1,000x over the current status. By April 2024, sixty-five … R&D roadmaps and other EES2 activities. A draft of version 1.0 of the EES2 roadmap was released on August 14, 2024, for public comment [1]. This paper describes key …

L10 FePd-Based Perpendicular Magnetic Tunnel Junctions with 65% Tunnel Magnetoresistance and Ultralow Switching Current Density

February 9, 2024
Author(s)
Deyuan Lyu, Jenae Shoup, Ali Habiboglu, Qi Jia, Pravin Khanal, Brandon Zink, Yang Lv, Bowei Zhou, Daniel Gopman, Weigang Wang, Jian-Ping Wang
… an impressively low switching current density of about 1.4×105 A/cm2, which outperforms the typical spin-transfer … the switching process and associated device performance: 1. The voltage-controlled exchange coupling-driven switching …

Constraints on Proximity-Induced Ferromagnetism in a Dirac Semimetal (Cd3As2)/Ferromagnetic Semiconductor (Ga1-xMnxSb) Heterostructure

September 11, 2023
Author(s)
Arpita Mitra, Run Xiao, Wilson Yanez, Yongxi Ou, Juan Chamorro, Tyrel M. McQueen, Alexander Grutter, Julie A. Borchers, Michael R. Fitzsimmons, Timothy Charlton, Nitin Samarth
Breaking time-reversal symmetry in a Dirac semimetal Cd3As2 through doping with magnetic ions or by the magnetic proximity effect is expected to cause a transition to other topological phases (such as a Weyl semimetal). To this end, we investigate the
Displaying 776 - 800 of 1415
Was this page helpful?