Neutron Laue and X-ray diffraction study of a new crystallographic superspace phase in n-nonadecane-urea
| Autor: | Céline Mariette, Philippe Rabiller, Marie-Hélène Lemée-Cailleau, Laurent Guérin, Garry J. McIntyre, Bertrand Toudic, Serhane Zerdane, Jean-Claude Ameline |
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| Přispěvatelé: | Institut de Physique de Rennes (IPR), Université de Rennes (UR)-Centre National de la Recherche Scientifique (CNRS), Australian Nuclear Science and Technology Organisation [Australie] (ANSTO), Institut Laue-Langevin (ILL), Université de Rennes 1 (UR1), Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS), ILL |
| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: |
Nonadecane
02 engineering and technology Superspace 01 natural sciences Crystal chemistry.chemical_compound aperiodic composite crystals Phase (matter) 0103 physical sciences Materials Chemistry Symmetry breaking 010306 general physics Translational symmetry symmetry Physics [PHYS]Physics [physics] Metals and Alloys 021001 nanoscience & nanotechnology Atomic and Molecular Physics and Optics Symmetry (physics) Electronic Optical and Magnetic Materials Crystallography neutron Laue diffraction chemistry crystallographic superspace X-ray crystallography 0210 nano-technology |
| Zdroj: | Acta Crystallographica Section B : Structural Science [1968-2013] Acta Crystallographica Section B : Structural Science [1968-2013], 2015, 71 (3), pp.293--299. ⟨10.1107/S2052520615005442⟩ Acta Crystallographica Section B: Structural Science Acta Crystallographica Section B: Structural Science, International Union of Crystallography, 2015, 71 (3), pp.293--299. ⟨10.1107/S2052520615005442⟩ |
| ISSN: | 0108-7681 |
| DOI: | 10.1107/S2052520615005442⟩ |
| Popis: | Aperiodic composite crystals present long-range order without translational symmetry. These materials may be described as the intersection in three dimensions of a crystal which is periodic in a higher-dimensional space. In such materials, symmetry breaking must be described as structural changes within these crystallographic superspaces. The increase in the number of superspace groups with the increase in the dimension of the superspace allows many more structural solutions. This is illustrated inn-nonadecane–urea, revealing a fifth higher-dimensional phase at low temperature. |
| Databáze: | OpenAIRE |
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