Forthcoming article in Acta Crystallographica Section A Foundations and Advances
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Acta Crystallographica Section A: Foundations and Advances covers theoretical and fundamental aspects of the structure of matter. The journal is the prime forum for research in diffraction physics and the theory of crystallographic structure determination by diffraction methods using X-rays, neutrons and electrons. The structures include periodic and aperiodic crystals, and non-periodic disordered materials, and the corresponding Bragg, satellite and diffuse scattering, thermal motion and symmetry aspects. Spatial resolutions range from the subatomic domain in charge-density studies to nanodimensional imperfections such as dislocations and twin walls. The chemistry encompasses metals, alloys, and inorganic, organic and biological materials. Structure prediction and properties such as the theory of phase transformations are also covered.en-gbCopyright (c) 2016 International Union of CrystallographyInternational Union of CrystallographyInternational Union of Crystallographyhttp://journals.iucr.orgurn:issn:0108-7673Acta Crystallographica Section A: Foundations and Advances covers theoretical and fundamental aspects of the structure of matter. The journal is the prime forum for research in diffraction physics and the theory of crystallographic structure determination by diffraction methods using X-rays, neutrons and electrons. The structures include periodic and aperiodic crystals, and non-periodic disordered materials, and the corresponding Bragg, satellite and diffuse scattering, thermal motion and symmetry aspects. Spatial resolutions range from the subatomic domain in charge-density studies to nanodimensional imperfections such as dislocations and twin walls. The chemistry encompasses metals, alloys, and inorganic, organic and biological materials. Structure prediction and properties such as the theory of phase transformations are also covered.text/htmlActa Crystallographica Section A Foundations and Advancestextdaily12002-01-01T00:00+00:00med@iucr.orgActa Crystallographica Section A Foundations and AdvancesCopyright (c) 2016 International Union of Crystallographyurn:issn:0108-7673Forthcoming article in Acta Crystallographica Section A Foundations and Advanceshttp://journals.iucr.org/logos/rss10a.gif
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Still imageDynamical focusing by bent asymmetrically cut perfect crystals in Laue geometry
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The focusing performances of bent Laue crystals are shown to be strongly sensitive to a small degree of asymmetryCopyright (c) 2016 International Union of Crystallographyurn:issn:2053-2733Guigay and Ferrerodoi:10.1107/S2053273316006549International Union of CrystallographyThe focusing performances of bent Laue crystals are shown to be strongly sensitive to a small degree of asymmetryenINFLUENCE FUNCTIONS; DYNAMICAL FOCUSING; BENT PERFECT CRYSTALS; LAUE ASYMMETRIC GEOMETRY.; INFLUENCE FUNCTIONS; DYNAMICAL FOCUSING; BENT PERFECT CRYSTALS; LAUE ASYMMETRIC GEOMETRYThe focusing performances of bent Laue crystals are shown to be strongly sensitive to a small degree of asymmetrytext/htmlDynamical focusing by bent asymmetrically cut perfect crystals in Laue geometrytextProperties of X-ray resonant scattering in the Bragg case revealed on the Riemann surface
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Properties of X-ray resonant scattering in the Bragg case are revealed analytically using the Riemann surface.Copyright (c) 2016 International Union of Crystallographyurn:issn:2053-2733Takashi Sakadoi:10.1107/S2053273316005404International Union of CrystallographyProperties of X-ray resonant scattering in the Bragg case are revealed analytically using the Riemann surface.enX-RAY DIFFRACTION; DYNAMICAL THEORY; BRAGG CASE; RIEMANN SURFACE; DISPERSION SURFACE; ROCKING CURVE; RESONANT SCATTERINGProperties of X-ray resonant scattering in the Bragg case are revealed analytically using the Riemann surface.text/htmlProperties of X-ray resonant scattering in the Bragg case revealed on the Riemann surfacetextFaces of root polytopes in all dimensions
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The reflection group W can be specified by a connected Coxeter–Dynkin diagram consisting of either one or two orbits of W. An individual orbit is viewed as the set of vertices of a polytope (root polytope) generated by its W from any one point of the orbit.Copyright (c) 2016 International Union of Crystallographyurn:issn:2053-2733Marzena Szajewskadoi:10.1107/S2053273316004551International Union of CrystallographyThe reflection group W can be specified by a connected Coxeter–Dynkin diagram consisting of either one or two orbits of W. An individual orbit is viewed as the set of vertices of a polytope (root polytope) generated by its W from any one point of the orbit.enFINITE COXETER GROUPS; ROOT POLYTOPES; LIE GROUPS; LIE ALGEBRAThe reflection group W can be specified by a connected Coxeter–Dynkin diagram consisting of either one or two orbits of W. An individual orbit is viewed as the set of vertices of a polytope (root polytope) generated by its W from any one point of the orbit.text/htmlFaces of root polytopes in all dimensionstextPerspectives in Crystallography. By John R. Helliwell. CRC Press, 2016. Hardback, Pp. xv + 155. Price GBP 75.65. ISBN 978-1-4987-3210-9.
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Copyright (c) 2016 International Union of Crystallographyurn:issn:2053-2733Giovanni Ferrarisdoi:10.1107/S2053273316003831International Union of CrystallographyenBOOK REVIEW; BIOCRYSTALLOGRAPHY; SYNCHROTRON RADIATIONtext/htmlPerspectives in Crystallography. By John R. Helliwell. CRC Press, 2016. Hardback, Pp. xv + 155. Price GBP 75.65. ISBN 978-1-4987-3210-9.text