Journal of Research of the National Institute of Standards and Technology articles from November 2001

Journal of Research of the National Institute of Standards and Technology archives from November 2001

Richard D. Deslattes.(Brief Article)
November 1, 2001... 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 honor the memory of Richard D. Deslattes and his lifetime of achievements at NIST....

Foreword.
November 1, 2001... This Special Issue, which focuses on crystallography, is part of The Centennial Celebration of the National Institute of Standards and Technology (NIST), formerly known as the National Bureau of Standards (NBS). NBS/NIST has a long history...

Crystallography at NBS/NIST. (Preface).(National Bureau of Standards/National Institute of Standards and Technology)
November 1, 2001... Special Issues of the Journal of Research of the National Institute of Standards and Technology are devoted to papers in a particular field of measurement science. The papers herein have been written by research scientists in the field and...

Crystallographers at NBS/NIST.(National Bureau of Standards/National Institute of Standards and Technology)
November 1, 2001... Crystallographic research at NBS/NIST began in the 1930s. Throughout the subsequent years, a large number of scientists have contributed to a long and distinguished history in this field. The following is a compilation of representative...

High pressure x-ray crystallography with the diamond cell at NIST/NBS.(National Institute of Standards and Technology/National Bureau of Standards)
November 1, 2001... Scientists in the Crystallography Section at NIST/NBS made several outstanding contributions which greatly promoted the development and advancement of high pressure x-ray crystallography during the second-half of the 20th century. These...

Past and present crystallographic work at the NBS/NIST reactor.(National Bureau of Standards/National Institute of Standards and Technology)
November 1, 2001... Neutron diffraction at NBS/NIST started soon after the NBS reactor became operational in the summer of 1969. Since that time, literally hundreds of crystal structures have been determined and refined using single crystal and powder neutron...

Magnetic structure determinations at NBS/NIST.(National Bureau of Standards/National Institute of Standards and Technology)
November 1, 2001... Magnetic neutron scattering plays a central role in determining and understanding the microscopic properties of a vast variety of magnetic systems, from the fundamental nature, symmetry, and dynamics of magnetically ordered materials to...

Investigations of zeolitic materials at the NIST center for neutron research.(National Institute of Standards and Technology)
November 1, 2001... Crystallographic studies of four zeolitic materials using neutron powder diffraction data are presented. In most cases, these projects benefited from the combined use of neutron and x-ray measurements. Key words: Crystallography;...

Quasicrystals.
November 1, 2001... The discretely diffracting aperiodic crystals termed quasicrystals, discovered at NBS in the early 1980s, have led to much interdisciplinary activity involving mainly materials science, physics, mathematics, and crystallography. It led to a new...

Lattice symmetry and identification - the fundamental role of reduced cells in materials characterization.
November 1, 2001... In theory, physical crystals can be represented by idealized mathematical lattices. Under appropriate conditions, these representations can be used for a variety of purposes such as identifying, classifying, and understanding the physical...

Electron diffraction using transmission electron microscopy.
November 1, 2001... Electron diffraction via the transmission electron microscope is a powerful method for characterizing the structure of materials, including perfect crystals and defect structures. The advantages of electron diffraction over other methods, e.g.,...

JCPDS-ICDD research Associateship (cooperative program with NBS/NIST).(Joint Committee on Powder Diffraction International Centre for Diffraction Data)
November 1, 2001... The Research Associateship program of the Joint Committee on Powder Diffraction International Centre for Diffraction Data (JCPDS-ICDD, now known as the ICDD) at NBS/NIST was a long standing (over 35 years) successful industry-government...

A natural bone cement--a laboratory novelty led to the development of revolutionary new biomaterials.
November 1, 2001... Research on calcium phosphate chemistry at NIST led to the discovery of the worlds first self-hardening calcium phosphate cements (CPC) in 1987. Laboratory, animal, and clinical studies were conducted to develop CPC into clinically useful...

Structures of biological minerals in dental research.
November 1, 2001... Structural features of some calcium phosphates of biological interest are described. Structure of hydroxyapatite (OHAp), considered as the prototype for the inorganic component of bones and teeth is discussed with respect to the kinds and...

NIST materials properties databases for advanced ceramics.
November 1, 2001... The NIST Ceramics Division maintains two databases on thc physical, mechanical, thermal, and other properties of high temperature superconductors and structural ceramics. Crystallographic data are featured prominently among the physical...

Contributions of NIST/NBS researchers to the crystallography of construction materials.
November 1, 2001... For more than 100 years, the primary theme underlying the NBS/NIST staff contribution to the crystallography of building materials has been the development of an improved understanding of concrete materials performance. Over that time period,...

Crystallographic texture in ceramics and metals.
November 1, 2001... Preferred crystallographic orientation, or texture, occurs almost universally, both in natural and man-made systems. Many components and devices in electronic and magnetic systems are fabricated from materials that have crystallographic...

Standard Reference Material (SRM 1990) for single crystal diffractometer alignment.(Statistical Data Included)
November 1, 2001... An international project was successfully completed which involved two major undertakings: (1) a round-robin to demonstrate the viability of the selected standard and (2) the certification of the lattice parameters of the SRM 1990, a Standard...

Phase equilibria and crystallography of ceramic oxides.
November 1, 2001... Research in phase equilibria and crystallography has been a tradition in the Ceramics Division at National Bureau of Standards/National Institute of Standatrds and Technology (NBS/NIST) since the early thirties. In the early years, effort was...

Towards near perfect crystals with only well-characterized imperfections.
November 1, 2001... Throughout the past century NBS/NIST supported a great variety of research studies in crystallography where the aim was the highest attainable accuracy in measurements. While avoiding overlap with other papers in this volume, this article...

National Institute of Standards and Technology synchrotron radiation facilities for materials science.
November 1, 2001... Synchrotron Radiation Facilities, supported by the Materials Science and Engineering Laboratory of the National Institute of Standards and Technology, include beam stations at the National Synchrotron Light Source at Brookhaven National...

Macromolecular crystallography and structural biology databases at NIST.(National Institute of Standards and Technology)
November 1, 2001... In the late 1970s, macromolecular crystallography at NIST began with collaboration between NIST and NIH to establish a single-crystal neutron diffractometer. This instrument was constructed and employed to solve a number of crystal structures:...