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.

NIST Pubs

Fracture Toughness Data for Brittle Materials

Author(s)
R G. Munro, Stephen W. Freiman, T L. Baker
Fracture toughness data, as represented by the critical stress intensity factor, K Ic, and the fracture energy, γ, have been compiled from publicly accessible

Molecular Dynamics Simulation of Tethered Chains

Author(s)
Raymond D. Mountain, Joseph B. Hubbard
A description is provided for a molecular dynamics code that simulates the dynamics of long chain molecules tethered to a smooth surface. The operation of the

Personal Identification From Mugshot Ear Images

Author(s)
F E. McFadden
This work establishes the high value of ear images for personal identification from mugshot data, using the NIST database of police mugshots. It starts with a

Spectral Reflectance

Author(s)
P Y. Barnes, Albert C. Parr, E A. Early
This document describes the instrumentation, standards, and techniques used to measure spectral reflectance over the ultraviolet, visible, and near infrared

Accurate Ab Initio Calculation of Molecular Constants

Author(s)
Svetlana A. Kotochigova, I Tupitsyn
The valence bond method and advanced computational technique are used to perform all-electron ab initio calculations of the electronic structure of diatomic
Was this page helpful?