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SIeve+ can be complementary to most commercial software programs. Most of the algorithms were developed and optimized for a particular type of analysis and the options provide the user with a wide breadth of analytical capability. In the last few years, new algorithms have been added to identify non-crystalline materials and complex multi-phase specimens. SIeve+ features automatic rotation of the eight strongest lines (Hanawalt) or the eight longest of the strongest lines (Fink) or the eight longest lines (Long8) to look for entries that exhibit the best Goodness of Match (GOM). SIeve+ offers a variety of algorithms and options that allow users to optimize results for particular chemistries and both standard and non-standard diffraction systems. In many cases, this provides a unique capability to analyze the most difficult problems.
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For example, users can utilize the extensive permutable searches in each database, then define their own search subfile or use any of the “application or expert-defined” subfiles and subclasses to increase the accuracy of their phase identification. SIeve+ is integrated into the ICDD databases to allow the use of the extensive data mining interfaces, searches, and sorts available to improve the accuracy and precision of the identification process. ICDD’s search indexing software, SIeve+ for PDF-4+, is designed to search and identify unknown materials. Job Opportunity – Senior Scientific Editor.Ludo Frevel Crystallographic Scholarship.Grant-in-Aid Recipients and Award Winners.NIST XRD SRM Powder Diffraction Journal Publications.Current Research Using the Powder Diffraction File.PreDICT with DICVOL14 Indexing (freeware).Pharmaceutical Powder X-ray Diffraction Symposium (PPXRD).Powder Diffraction File (PDF) – Phase Search.