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Data Collection and Processing for Single Crystal X-ray Analysis

Rigaku Corporation

Data Collection and Processing for Single Crystal X-ray Analysis

8 Jan 2016

Data collection and processing have a significant impact on the structure analysis step. Considering the power of current direct method programs, quality data is nearly equal in importance to obtaining the initial structure, when crystallographic difficulties such as an ambiguous space group and twining are not involved. This application note discusses problems and measures in obtaining diffraction data using two-dimensional detectors: a CCD and an IP detector.

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MiniFlex Benchtop XRD

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New 6th-generation general purpose benchtop XRD system for phase identification and phase quantification. New sixth generation MiniFlex X-ray diffractometer (XRD) is a multipurpose analytical instrument that can determine: phase identification and quantification, percent (%) crystallinity, crystallite size and strain, lattice parameter refinement, Rietveld refinement, and molecular structure. It is widely used in research, especially in material science and chemistry, as well as in industry for research and quality control. It is the newest addition to MiniFlex series of benchtop X-ray diffraction analyzers from Rigaku, which began with the introduction of the original MiniFlex system decades ago.   Overview: New 6th generation design Compact, fail-safe radiation enclosure Incident beam variable slit Simple installation and user training Factory aligned goniometer system Laptop computer operation Measurements: Phase identification Phase quantification Percent (%) crystallinity Crystallite size and strain Lattice parameter refinement Rietveld refinement Molecular structure Options: 8-position autosampler Graphite monochromator D/teX Ultra: silicon strip detector HyPix-400 MF: 2D HPAD detector Air sensitive sample holder Travel case

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X-ray CrystallographyX-ray crystallography is an analytical technique used to determine the arrangement of atoms in a crystal. Monochromatic x-rays are produced from a synchrotron or x-ray generator. An x-ray crystallography system uses a detector to measure the x-ray diffraction from the crystal. The information is used to generate a 3D image of the crystal.X-Ray Diffraction and SpectroscopyX-Ray diffraction & spectroscopy are used in material characterization to discern the structure and elemental composition of a sample. X-Ray diffractometers (XRD) are superior instruments in elucidating the dimensional atomic structure of crystalline materials, including powders, thin films and single crystals. For large unit cells or ordered macromolecules, consider small-angle X-ray scattering (SAXS). X-ray spectroscopic techniques include X-ray fluorescence (XRF) and X-ray photoelectron spectroscopy (XPS), both providing simple and accurate methods for determining the elemental composition of a material. Energy dispersive (EDXRF) and wavelength dispersive (WDXRF) XRF spectrometers are available, as well as handheld/portable devices. High-resolution, 3D microstructure characterization of materials can be achieved with X-ray microscopes combining sub-micron resolution imaging with 3D computed tomography. Find the best XRD and XRF spectrometers in our peer-reviewed product directory: compare products, check customer reviews and receive pricing direct from manufacturers.Non-Destructive TechniquesNon-destructive techniques (NDT) describes a variety of analytical techniques used to evaluate the properties of a material. Common methods include ultrasonic, magnetic-particle, liquid penetrant, radiographic, remote visual inspection (RVI), and eddy-current testing. NDT is regularly used in forensic engineering, civil engineering, mechanical engineering, electrical engineering, systems engineering, aeronautical engineering, and medicine.CCD cameraData AnalysisThe analysis of data is the process of transforming, modeling and evaluating data to discover useful information from experimental results. Data AcquisitionData acquisition refers to the collection and organization of information and data sets.Crystallography

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Data Collection and Processing for Single Crystal X-ray Analysis