X-ray diffraction and crystallography involve the use of ionizing electromagnetic radiation, specifically X-rays, which pose health risks if not handled properly. This training covers principles of X-ray safety, the importance of shielding materials like lead, steel, and concrete, X-ray production m

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Crystal structures in materials science involve the arrangement of atoms in solids, with examples of crystalline and amorphous solids like metals and glass. Explore concepts like energy packing, definitions of crystalline materials, unit cells, BCC and FCC lattices, HCP structures, and Miller Indice

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Explore the concept of reciprocal lattices in crystal structures, including non-rectangular lattices, Fourier space in 2D, Wigner-Seitz cells, Brillouin Zones, and the relationship between BCC and FCC structures. Learn about primitive lattice vectors, construction of the Brillouin Zone, and the sign

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Characteristics of the C2h point group, including its order and irreducible representations, as well as details on its symmetry elements and subgroups. Examples of molecules with C2h symmetry are provided. Explore the construction and properties of the C2h point group in crystallography.

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Delve into crystallography, solid-state binding, semiconductor conduction, nucleus structure, and particle detectors in this comprehensive syllabus for Third Year T.D.C. Science students.

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Explore the impact of radiation damage on crystallography, focusing on dose proportional to photons per area rather than time or heat. Learn about MGy, radiation damage world records, crystal lifetime based on flux and dose, and self-calibrated damage limits. Discover insights from various studies a

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Exploring the significance of crystal lattice planes in determining parameters, diffraction methods, and orthogonal systems. Discover how to identify planes and calculate distances in various lattices using Miller indices. Visual aids provide clarity on hexagonal structures and symmetry in crystallo

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Examination of the stacking interactions and bonding in planar organic radicals reveals a variety of non-covalent and weak covalent interactions such as hydrogen bonding, halogen bonding, and pancake bonding. This study highlights the significance of multicentric two-electron bonding and explores th

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Explore the intricacies of crystallography resolution, data cutting strategies, and publication criteria in chemical crystallography. Learn about R factors, Gaussian error averaging, and the importance of accurate data reporting. Discover the wisdom of our ancestors in crystallography research.

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Crystal geometry involves the study of seven crystal systems defined by three symmetry elements - centre of symmetry, planes of symmetry, and axes of symmetry. These symmetry elements play crucial roles in determining the geometric properties of crystals. The centre of symmetry, plane of symmetry, a

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Understanding how to determine heavy atom coordinates from a difference Patterson map involves recognizing the relationship between Patterson peak coordinates (u,v,w) and space group symmetry operators in crystallography. By solving equations that relate these coordinates, the absolute positions of

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Arfvedsonite is a rare mineral that is only formed in iron-rich igneous intrusions associated with nepheline syenites and pegmatites. Discovered in 1823 and named after Swedish chemist Johan Arfwedson, it has a distinctive chemical formula and structure as an amphibole mineral. Its physical properti

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Delve into the world of material properties and science with a course led by Professor Shyan-Lung Chung from the Department of Chemical Engineering at National Cheng Kung University. Explore topics ranging from atomic scale structures to mechanical properties and their applications, supported by opt

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The SQUEEZE tool in PLATON, developed by Utrecht University, offers an effective method for handling disordered solvent refinement in crystallography. This tool, part of the SHELXL suite, aids in modeling and refining solvent parameters when traditional methods may not suffice. Learn about its histo

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CIF (Crystallographic Information Framework) and SHELXL-2014 play vital roles in data exchange and archival for crystallography. The CIF standard, along with FCF validation, ensures accuracy in structural data publication. Learn about embedding experimental data, refinement instructions, and the ABI

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