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COMAR helps you find a suitable certified reference material (CRM) for your laboratory. For a large number of materials offered worldwide we have produced data sheets and collected them in the COMAR database. You can browse and search the database at no cost. What is not included in the database are reference materials that come without a certificate.
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Open-access collection of crystal structures of organic, inorganic, metal-organic compounds and minerals, excluding biopolymers.
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This database provides structural information on all of the Zeolite Framework Types that have been approved by the Structure Commission of the International Zeolite Association. It is searchable and includes: descriptions and drawings of each framework type, user-controlled animated displays of each framework type, crystallographic data and simulated powder diffraction patterns for representative materials, relevant references, detailed instructions for building models, descriptions of some families of disordered zeolite structures.
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This database gives ground levels and ionization energies for the neutral atoms. The ionization energies in the table are based on a recent survey of the literature. A reference to one or another data compilation is given for a number of elements; the cited compilation gives the reference(s) for the original ionization-energy data.
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ICDS is a comprehensive database on the complete structural information for inorganic compounds. It contains bibliographic information, compound name, molecular formular, as well as crystal symmetry group, unit cell parameters, atomic coordinates and temperature factors.
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This database is a unique resource that provides more extensive symmetry information than can be found in the print editions of International Tables for Crystallography Volumes A and A1. This additional symmetry information can either be retrieved directly from the database or simple calculations can be carried out using the database to generate specific data 'on the fly'. Use of the symmetry database thus facilitates the in-depth study of group-subgroup relations, domain structures and twinning, families of related crystal structures and phase transitions, and the prediction of new crystal structures.
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The Lund/LBNL Nuclear Data Search provides on-line access to data from the Table of Isotopes handbook. Data may be accessed via radiation or nuclide searches. Radiation searches may be conducted on several levels, from the more general (energy and energy type -- alpha or gamma), to the more specific (parent information, such as half-life, mass number, or element). Search returns are listed alphabetically or by energy and intensity.
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MatWeb's searchable database of material properties includes data sheets of thermoplastic and thermoset polymers such as ABS, nylon, polycarbonate, polyester, polyethylene and polypropylene; metals such as aluminum, cobalt, copper, lead, magnesium, nickel, steel, superalloys, titanium and zinc alloys; ceramics; plus semiconductors, fibers, and other engineering materials.
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MSI Eureka is a research & information platform that compiles and critically evaluates data on materials constitution, phase diagrams, etc. The database covers virtually all inorganic materials systems ever published, dates back to pre-1900 and is continuously updated. The content is being created by MSIT®, Materials Science International Team, in continuous evaluation programs, ongoing since 1984.
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The National Nuclear Data Center (NNDC) collects, evaluates, and disseminates nuclear physics data for basic nuclear research and for applied nuclear technologies. The NNDC is a worldwide resource for nuclear data. The information available to the users of NNDC services is the product of the combined efforts of the NNDC and cooperating data centers and other interested groups, both in the United States and worldwide. The NNDC specializes in the following areas: Nuclear structure and low-energy nuclear reactions, Nuclear databases and information technology, Nuclear data compilation and evaluation.
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This database provides access and search capability for NIST critically evaluated data on atomic energy levels, wavelengths, and transition probabilities.
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The NIST Chemistry WebBook provides users with easy access to chemical and physical property data for chemical species through the internet. The data provided in the site are from collections maintained by the NIST Standard Reference Data Program and outside contributors. Data in the WebBook system are organized by chemical species. The WebBook system allows users to search for chemical species by various means. Once the desired species has been identified, the system will display data for the species.
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The NIST (National Institute of Standards and Technology) Center for Neutron Research presents a collection of thermal neutron cross sections.
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The NIST X-ray Photoelectron Spectroscopy (XPS) Database gives easy access to the energies of many photoelectron and Auger-electron spectral lines. Resulting from a critical evaluation of the published literature, the database contains over 29,000 line positions, chemical shifts, doublet splittings, and energy separations of photoelectron and Auger-electron lines. A highly interactive program allows the user to search by element, line type, line energy, and many other variables. Users can easily identify unknown measured lines by matching to previous measurements.
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Nucleonica is a web portal developed for the worldwide nuclear science community. This resource replaces the traditional paper-based Karlsruhe Nuclide Chart. It offers online interactive nuclide charts, as well as reference data and searchable databases for internationally evaluated nuclear data. Nucleonica includes also application modules (decay, dosimetry and shielding, fission yields, range and stopping power, reactor irradiation, transport and packaging, etc.) with professional quality graphics. In addition, a variety of social networking tools are provided for scientific collaboration. To get access please register with your email address.
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Phase diagrams of ceramic systems. The Phase Equilibria Diagrams Online database includes all ACerS/NIST commentaries and diagrams.
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Access to over 30 freely accessible databases and online reference works in the field of physics, Physical Constants, Atomic Spectroscopy Data, Molecular Spectroscopic Data, Atomic and Molecular Data, X-Ray and Gamma-Ray Data, Radiation Dosimetry Data, Nuclear Physics Data, Condensed Matter Physics Data
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In the gases catalogue you will find product data on pure gases (classified by substances) from Air Liquide as well as on their branded gases that have been optimised for special applications.
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SpringerMaterials provides access to curated data on 3000+ physical and chemical properties of 250,000+ materials and chemical systems. Material classes: metals, alloys, ceramics, glasses, polymers, organic substances, atoms, nuclei. Data sources currently include the Landolt-Börnstein New Series, the Linus Pauling Files and specialized databases on thermophysical properties, polymer thermodynamics, adsorption isotherms, and 32,000+ substance profiles.
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