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Displaying 29276 - 29300 of 143780

Bright focused ion beam sources based on laser-cooled atoms

March 24, 2016
Author(s)
Jabez J. McClelland, Adam V. Steele, Brenton J. Knuffman, Kevin A. Twedt, Andrew D. Schwarzkopf, Truman M. Wilson
Nanoscale focused ion beams (FIBs) represent one of the most useful tools in nanotechnology, enabling nanofabrication via milling and gas-assisted deposition, microscopy and microanalysis, and selective, spatially resolved doping of materials. Recently, a

Fast Sequential Creation of Random Realizations of Degree Sequences

March 24, 2016
Author(s)
Brian D. Cloteaux
We examine the problem of creating a random realizations of very large degree sequences. While fast in practice, the Markov chain Monte Carlo (MCMC) method for selecting a realization has limited usefulness for creating large graphs because of memory

National Institute of Standards and Technology measurement service of the optical properties of biomedical phantoms: Current status

March 24, 2016
Author(s)
Paul Lemaillet, Catherine C. Cooksey, Zachary H. Levine, Adam L. Pintar, Jeeseong Hwang, David W. Allen
The National Institute for Standards and Technology (NIST) has maintained scales of reflectance and transmittance over several decades. Those scales are primarily intended for the regular transmittance, mirrors, and solid surface scattering diffusers. The

A domain-specific language for model composition and verification of multidisciplinary models

March 22, 2016
Author(s)
Peter O. Denno, Anantha Narayanan Narayanan, Amogh Kulkarni, Daniel Balasubramanian, Gabor Karsai
Complex, engineered products and manufacturing processes often necessitate integrated analysis that cuts across physical domains and engineering disciplines. When the domain-specific models that contribute to the overall analysis process are available then

Advances in shape measurement in the digital world

March 22, 2016
Author(s)
Edward Garboczi, Xiaodong Jia
The importance of particle shape in affecting the behaviour of powders and other particulate systems has long been recognised, but until fairly recently particle shape information has been rather difficult to obtain and use compared to its more well-known

Magnetic Structure of Yb 2 Pt 2 Pb: Ising Moments on the Shastry-Sutherland Lattice

March 22, 2016
Author(s)
W. Miiller, L. S. Wu, M. S. Kim, T. Orvis, J. W. Simonson, M. Gamza, D. M. McNally, C. S. Nelson, G. Ehlers, A. Podlesnyak, Joel Helton, Yang Zhao, Yiming Qiu, John R. Copley, Jeffrey W. Lynn, I. Zaliznyak, M. C. Aronson
Neutron diffraction measurements were carried out on single crystals and powders of Yb 2Pt 2Pb, where Yb moments form planes of orthogonal dimers in the frustrated Shastry-Sutherland Lattice (SSL). Yb 2Pt 2Pb orders antiferromagnetically at T N=2.07 K, and

SATE V Ockham Sound Analysis Criteria

March 22, 2016
Author(s)
Paul E. Black, Athos Ribeiro
Static analyzers examine the source or executable code of programs to find problems. Many static analyzers use some heuristics or approximations to handle programs up to millions of lines of codes. We established the Ockham Sound Analysis Criteria to
Displaying 29276 - 29300 of 143780
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