Browsing by Author "Bourgeois, L"

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    Temperature-pressure phase diagram of an aperiodic host guest compound
    (Euorpean Physical Society, 2011-01-01) Toudic, B; Rabiller, P; Bourgeois, L; Huard, M; Ecolivet, C; McIntyre, GJ; Bourges, P; Breczewski, T; Janssen, T
    This letter reports on the structural instabilities of an aperiodic composite crystal under pressure. The (P, T) phase diagram up to 0.55GPa of nonadecane-urea is reported showing various symmetry breakings in crystallographic superspaces, towards three different orthorhombic phases. These structural phase transitions are characterized by a change in the intermodulation and are described by increasing the rank of the crystallographic superspaces. © EPLA, 2011