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Electron diffraction via the transmission electron microscope is a powerful method for characterizing the structure of materials, including perfect crystals and...
The NIST Ceramics Division maintains two materials property databases on the physical, mechanical, thermal, and other properties of high temperature...
Winnie K. Wong-Ng, Robert S. Roth, Terrell A. Vanderah, H F. McMurdie
Research in phase equilibria and crystallography has been a tradition in the Ceramics Division at NIST since the early thirties. In the early years, effort was...
Scientists in the Crystallography Section at NIST/NBS made several outstanidng contributions greatly influencing the development and advancement of high...
Winnie K. Wong-Ng, T Siegrist, G DeTitta, L Finger, H Evans, E Gabe, G Enright, J T. Armstrong, M Levenson, Lawrence P. Cook, C R. Hubbard
Through extensive international collaborations, a standard reference material, SRM 1990 (a set of 3500 units of Cr-doped Al2O3, or ruby sphere) for single...
The discretely diffracting aperiodic crystals termed quasicrystals, discovery at NBS in the early 1980s, have led to much interdisciplinary activity involving...
Winnie K. Wong-Ng, H F. McMurdie, C R. Hubbard, Alan D. Mighell
The Research Associateship Program of the Joint Committee on Powder Diffraction -International Centre for Diffraction Data (JCPDS-ICDD, now known as the ICDD)...
On May 16, 2001, the National Institute of Standards and Technology lost a most illustrious career scientist in x-ray research. This volume is dedicated to...
Albert C. Parr, J B. West, M R. King, K Ueda, P M. Dehmer, J L. Dehmer
The vibrational branching ratios and asymmetry parameters for CO2 have been determined in the wavelength region of 650 to near ionization onset at about 840...
An algorithm for computing diffractions effects on total power in the case of Fraunhofer diffraction by a circular lens or aperture is derived. The result for...
Facilities and techniques to characterize heat flux sensors are under development at the National Institute of Standards and Technology. As a part of this...
A 2 1/2-day workshop on problems in use of uncertainty in dimensional measurements sponsored by NIST and ASME was held June 5-7, 2001, at NIST in Gaithersburg...
Winnie K. Wong-Ng, James A. Kaduk, Igor Levin, W Greenwood, J Dillingham
X-ray Rietveld refinements were conducted on a series of 11 lanthanide phases, SR 2RGaCu 2O 7 (R=Pr, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, and Y) that are...
Two cryogenic radiometers from NIST, one from the Optical Technology Division and the other from the Optoelectronics Division, were compared at three visible...
This paper investigates the effect that bulk lubricant concentration has on the non-adiabatic lubricant excess surface density on a roughened, horizontal flat...
James R. Nechvatal, Elaine B. Barker, Lawrence E. Bassham, William E. Burr, Morris J. Dworkin, James Foti, E Roback
In 1997, the National Institute of Standards and Technology (NIST) initiated a process to select a symmetric-key encryption algorithm to be used to protect...
Novel preamplifiers for working standard PC and PV HgCdTe detectors have been developed to maintain the spectral responsivity scale of the National Institute of...
We investigated magnetic hysteresis in transport critical-current (I c) measurement of Ag-matrix (B i,Pb) 2Sr 2Ca 2Cu 3O^10-x^ *Bi-2223) and AgMg-matrix Bi 2Sr...
A two day workshop on Texture in Electronic Applications was held on October 10-11,2000 at NIST, Gaithersburg. The workshop presented an excellent forum for...
The performance of concrete is determined by its microstructure. Its microstructure, in turn, is determined by its composition, its curing conditions, and also...
The problem of choosing an optimal signal set for non-Gaussian detection was reduced to a smooth inequality constrained mini-max nonlinear programming problem...
Adolfas K. Gaigalas, L. Li, O. Henderson, R F. Vogt, J. Barr, G E. Marti, J. Weaver, A. Schwartz
The use of fluorescence as an analytical technique has been growing over the last 20 years. A major factor in inhibiting more rapid growth has been the...
Steven D. Phillips, William T. Estler, Theodore D. Doiron, K Eberhardt, M Levenson
This paper is a detailed discussion of the technical aspects of the calibration process with emphasis on the definition of the measurand, the conditions under...
The probability distribution is found for the link distance between two randomly positioned mobile radios for two representative deployment scenarios: (1) the...
Andrew D. Koffman, T. M. Souders, Gerard N. Stenbakken, Hans Engler
The High-Dimensional Empirical Linear Prediction (HELP) Toolbox is an optimization tool designed specifically to meet the requirements of test and measurement...