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The structural phase transition from aragonite to calcite in biogenic samples extracted from the skeletons of selected scleractinian corals has been studied by synchrotron radiation diffraction. Biogenic aragonite samples were extracted en bloc without pulverization from two ecologically...
The computer program DRAWxtl produces crystal structure drawings in the form of an interactive screen representation, as well as VRML files for use on web pages and in classroom teaching, and creates input files for the popular Persistence of Vision Raytracer (POV‐Ray) rendering program for...
The phase‐object approximation for neutron scattering based on a one‐dimensional dynamic forward scattering theory is discussed and used to calculate the differential cross section of an object. It is shown that this approximation is valid in ultra‐small‐angle neutron scattering (USANS)...
A new device has been fabricated for electric field‐induced protein crystallization with the microbatch method. In conjunction with this, a specialized tray using inexpensive plastic film has been developed for economical set‐up of the experiments. Crystallization can be conducted using AC or...
Knowledge of the morphology of ion damage trails, `latent ion tracks', typically a few nanometres wide and 10–125 µm long, created along wakes of swift heavy ions in dielectric solids, is a prerequisite for advancement of track applications in nanotechnology. Modeling the tracks as depleted...
A simple numerical approach for calculating the q‐dependence of the scattering intensity in small‐angle X‐ray or neutron scattering (SAXS/SANS) is discussed. For a user‐defined scattering density on a lattice, the scattering intensity I(q) (q is the modulus of the scattering vector) is...
Pulsed neutron sources and third‐generation synchrotron sources provide sufficiently high flux to acquire high wave momentum diffraction patterns suitable for pair distribution function (PDF) analysis in a matter of minutes to seconds, and even less. This allows for sequential data acquisition...
By using combinations of multiple protein powder diffraction patterns obtained from an image plate to a d‐spacing of 2 Å, which differ by solvent‐induced and radiation‐damage‐induced lattice strains, the powder overlap problem is partially resolved in a stereochemically restrained...
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