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 4326 - 4350 of 74309

'Passwords Keep Me Safe' - Understanding What Children Think about Passwords

August 11, 2021
Author(s)
Mary Theofanos, Yee-Yin Choong
Children use technology from a very young age, and often have to authenticate. The goal of this study is to explore children's practices, perceptions, and knowledge regarding passwords. Given the limited work to date and that the world's cyber posture and

Ionization and Structural Properties of mRNA Lipid Nanoparticles that Influence Expression in Intramuscular and Intravascular Administration

August 11, 2021
Author(s)
Manuel Carrasco, Suman Alishetty, Mohamad-Gabriel Alameh, Hooda Said, Lacey Wright, Mikell Paige, Ousamah Soliman, Drew Weissman, Thomas Cleveland, Alexander Grishaev, Michael Buschmann
Lipid Nanoparticles (LNPs) are used to deliver siRNA and COVID-19 mRNA vaccines. The main factor known to determine their delivery efficiency is the pKa of the LNP containing an ionizable lipid. Herein, we report a method that can predict the LNP pKa from

On the Multiplicative Complexity of Cubic Boolean Functions

August 11, 2021
Author(s)
Meltem Sonmez Turan, Rene Peralta
Multiplicative complexity is a relevant complexity measure for many advanced cryptographic protocols such as multi-party computation, fully homomorphic encryption, and zero-knowledge proofs, where processing AND gates is more expensive than processing XOR

Measurement Uncertainty of Surface Temperature Distributions for Laser Powder Bed Fusion Processes

August 10, 2021
Author(s)
David Deisenroth, Sergey Mekhontsev, Brandon Lane, Leonard M. Hanssen, Ivan Zhirnov, Vladimir Khromchenko, Steven Grantham, Daniel Cardenas-Garcia, Alkan Donmez
This paper describes advances in measuring the characteristic spatial distribution of surface temperature and emissivity during laser-metal interaction under conditions relevant for laser powder bed fusion (LPBF) additive manufacturing processes. Detailed

E 8 Spectra of Quasi-One-Dimensional Antiferromagnet BaCo 2 V 2 O 8 under Transverse Field

August 9, 2021
Author(s)
Haiyuan Zou, Y. Cui, Xiao Wang, Z. Zhang, J. Yang, Guangyong Xu, A. Okutani, M. Hagiwara, M. Matsuda, G. Wang, Giuseppe Mussardo, K. Hodsagi, M. Kormos, Zhangzhen He, S. Kimura, Rong Yu, Weiqiang Yu, Jie Ma, Jianda Wu
Exotic excitations can emerge in the vicinity of a quantum phase transition. When the quantum critical point of the one-dimensional (1D) transverse field Ising model is perturbed by a longitudinal magnetic field, it was predicted that its massive

Evaluating the Effects of Structural Disorder on the Magnetic Properties of Nd 2 Zr 2 O 7

August 9, 2021
Author(s)
Eli Zoghlin, Julian Schmehr, Collin Holgate, Rebecca Dally, Yaohua Liu, Geneva Laurita, Stephen Wilson
Motivated by the variation in reported lattice parameters of floating-zone-grown Nd 2Zr 2O 7 crystals, we have performed a detailed study of the relationship between synthesis environment, structural disorder, and magnetic properties. Using a combination

Porous Covalent Organic Polymers for Efficient Fluorocarbon-Based Adsorption Cooling

August 9, 2021
Author(s)
Jian Zheng, Mohammad Wahiduzzman, Dushyant Barpaga, Benjamin Trump, Oliver T. Gutierrez, Praveen Thallapally, Shengqian Ma, B. P. McGrail, Guillaume Maurin, Radha K. Motkuri
We report the first exploration of fluorocarbon adsorption performances using defect-containing covalent–organic frameworks (COFs). Exceptionally high fluorocarbon R134a equilibrium capacities and unique overall linear-shaped isotherms are attributed to

Getting Started with the NIST Cybersecurity Framework: A Quick Start Guide

August 6, 2021
Author(s)
Amy Mahn, Daniel Topper, Stephen Quinn, Jeffrey Marron
This document intends to provide direction and guidance to those organizations – in any sector or community – seeking to improve cybersecurity risk management via utilization of the NIST Framework for Improving Critical Infrastructure Cybersecurity

Optimizing Unlicensed Band Spectrum Sharing With Subspace-Based Pareto Tracing

August 6, 2021
Author(s)
Zachary J. Grey, Susanna Mosleh, Jake Rezac, Yao Ma, Jason Coder, Andrew Dienstfrey
In order to meet the ever-growing demands of data throughput for forthcoming and deployed wireless networks, new wireless technologies like Long-Term Evolution License-Assisted Access (LTE-LAA) operate in shared and unlicensed bands. However, the LAA

Processing Pulses from TES Microcalorimeter X-ray Detectors

August 6, 2021
Author(s)
Terrence J. Jach, Stephan M. Thurgate
Microcalorimeter x-ray detectors employing a transition-edge sensor are capable of very high energy resolution, but this depends on an understanding of the readout process. The combination of thermal cooling and thermoelectric feedback present in most

Quantum-enhanced sensing of displacements and electric fields with large trapped-ion crystals

August 6, 2021
Author(s)
Kevin Gilmore, Matthew Affolter, Judith Jordan, Diego Barberena, Robert Lewis-Swan, Ana Maria Rey, John J. Bollinger
Developing the isolation and control of ultracold atomic systems to the level of single quanta has led to significant advances in quantum sensing, yet demonstrating a quantum advantage in real world applications by harnessing entanglement remains a core

Reservoir computing leveraging the transient non-linear dynamics of spin-torque nano-oscillators

August 6, 2021
Author(s)
Mathieu Riou, Jacob Torrejon, Flavio Abreu Araujo, Sumito Tsunegi, Guru Khalsa, Damien Querlioz, Paolo Bortolotti, Nathan Leroux, Danijela Markovic, Vincent Cros, K. Yakushiji, Akio Fukushima, Hitoshi Kubota, Shinji Yuasa, Mark D. Stiles, Julie Grollier
Present artificial intelligence algorithms require extensive computations to emulate the behavior of large neural networks, operating current computers near their limits, which leads to high energy costs. A possible solution to this problem is the

Resource-efficient dissipative entanglement of two trapped-ion qubits

August 6, 2021
Author(s)
Daniel Cole, Stephen Erickson, Giorgio Zarantonello, Panyu Hou, Jenny Wu, Karl Horn, Daniel Slichter, Florentin Reiter, Christiane Koch, Dietrich Leibfried
We demonstrate a simplified method for generating an entangled state of two trapped-ion qubits. Our implementation produces its target state faster and with higher fidelity than previous demonstrations of dissipative entanglement generation, while
Displaying 4326 - 4350 of 74309