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ICDD is a non-profit scientific organization dedicated to collecting, editing, publishing, and distributing powder diffraction data for the identification of crystalline materials.
ICDD is a non-profit scientific organization dedicated to collecting, editing, publishing, and distributing powder diffraction data for the identification of crystalline materials. Our mission is to continue to be the world center for quality diffraction and related data to meet the needs of the technical community. We promote the application of materials characterization methods in science and technology by providing forums for the exchange of ideas and information. We sponsor the Pharmaceutical Powder X-ray Diffraction Symposium (PPXRD), Denver X-ray Conference; its proceedings, Advances in X-ray Analysis and the journal, Powder Diffraction. ICDD and its members conduct workshops and clinics on materials characterization at our headquarters in Newtown Square, Pennsylvania, and at X-ray analysis conferences around the world.
PDF-4+ is our most advanced database, providing comprehensive material coverage for inorganic materials. It includes atomic coordinates and embedded structure factors as well as full digital patterns to enable both phase identification and quantitative analysis. PDF-4 products also include experimental digital patterns of noncrystalline materials, such as most clays and industrially important polymers. In addition, PDF-4+ offers a suite of electron diffraction tools including electron diffraction powder pattern simulations, an interactive spot pattern simulation, and an electron diffraction backscatter pattern simulation module.
International Centre for Diffraction Data
12 Campus Boulevard
Newtown Square, PA 19073
Toll Free US: (866) 378.9331