crystal structure


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crys·tal struc·ture

the arrangement in space and the interatomic distances and angles of the atoms in crystals, usually determined by x-ray diffraction measurements.
References in periodicals archive ?
Brown, The crystal structure of [Ca.sub.7][Mg.sub.9][(CaMg).sub.2][([PO.sub.4]).sub.12], Tschermaks Miner.
The crystal structure of various homologous series have been investigated in this laboratory.
The study, titled "Crystal structure and equation of state of Fe-Si alloys at super-Earth core conditions," was published April 25 in the journal(http://advances.sciencemag.org/content/4/4/eaao5864) Science Advances.
Figure 3 shows a polyhedral view of the crystal structure with the four types of atoms-centered tetrahedra [CuSe.sub.4], [MnSe.sub.4], [InSe.sub.4] and [MSe.sub.4] where all polyhedra are oriented in the same direction and are connected by the corners.
The crystal structure was solved by direct methods with SHELXS-97 [26] and refined by full-matrix least-squares refinements based on F2 with SHELXL-97.
Moreover, the peaks become strong and sharp with increasing the stretching ratios, revealing more perfect crystal structure of the [gamma]-form.
The morphology of crystal structure of Ti[O.sub.2] films synthesized by CVD varies depending on CVD reaction temperature.
"The basic crystal structure we're using for these pigments was known before, but no one had ever considered using it for any commercial purpose, including pigments," said Mas Subramanian, the Milton Harris Professor of Materials Science in the OSU Department of Chemistry.
This example shows that it is not always possible for drug companies to identify all the variations of a drug's crystal structure through traditional experimentation, which is time consuming and expensive.
With respect to PVdF, its crystal structures are roughly classified into I-form, II-form, and III-form.
"The alignment of post-perovskite's crystal structure likely determines in which direction seismic waves travel fastest in that region.
Thermal desorption spectroscopy (TDS) technique was used to investigate the effect of carbon nanotubes (CNT) crystal structure on adsorption kinetics of benzene, water, and n-pentane (1).