Search Results - "Toudic, B"
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Aperiodic spin state ordering of bistable molecules and its photoinduced erasing
Published in Physical review letters (21-12-2012)“…We describe a novel type of ordering phenomenon associated with the incommensurate occupational modulation of bistable molecular magnetic state in a…”
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Comment on Couzi et al . (2018): a phenomenological model for structural transitions in incommensurate alkane/urea inclusion compounds
Published in Royal Society open science (01-08-2019)“…In their recent article [1], M. Couzi et al. develop a standard phenomenological model of coupled order parameters, which generates one single…”
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Neutron Laue and X‐ray diffraction study of a new crystallographic superspace phase in n‐nonadecane–urea
Published in Acta crystallographica Section B, Structural science, crystal engineering and materials (01-06-2015)“…Aperiodic composite crystals present long‐range order without translational symmetry. These materials may be described as the intersection in three dimensions…”
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Critical phenomena in higher dimensional spaces: The hexagonal-to-orthorhombic phase transition in aperiodic n -nonadecane/urea
Published in Physical review. B, Condensed matter and materials physics (04-03-2013)“…Upon cooling, the aperiodic inclusion compound n-nonadecane/urea presents a hexagonal-to-orthorhombic group-subgroup phase transition at T sub(cl) that…”
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Temperature-pressure phase diagram of an aperiodic host guest compound
Published in Europhysics letters (01-01-2011)“…This letter reports on the structural instabilities of an aperiodic composite crystal under pressure. The (P, T) phase diagram up to 0.55 GPa of…”
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Mixed acoustic phonons and phase modes in an aperiodic composite crystal
Published in Physical review letters (11-11-2011)“…Aperiodic crystals which are long range ordered materials present original dynamics features due to the lack of translational symmetry formally implying the…”
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Confined linear molecules inside an aperiodic supramolecular crystal: the sequence of superspace phases in n-hexadecane/urea
Published in The Journal of chemical physics (28-11-2011)“…High-resolution studies of the host-guest inclusion compound n-hexadecane/urea are reported at atmospheric pressure, using both cold neutrons and x-ray…”
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Pressure-induced lock-in in an aperiodic nanoporous crystal
Published in Physical review letters (14-04-2006)“…This Letter reports on the first observation of a commensurate lock-in inside an aperiodic composite. This result is obtained by neutron diffraction, under…”
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Thermodynamics of the Neutral-to-Ionic Transition as Condensation and Crystallization of Charge-Transfer Excitations
Published in Physical review letters (01-09-1997)Get full text
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Structural organization of π conjugated highly luminescent molecular material
Published in Physical review letters (18-11-2005)“…We report on striking evidence for a room temperature structural phase instability in p-hexaphenyl, inducing a nonplanar conformation of the molecules. Solid…”
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Incommensurate Intermodulation of an Organic Intergrowth Compound Observed by Neutron Scattering
Published in Physical review letters (04-11-1996)“…The observation of an incommensurate diffraction pattern in urea inclusion compounds by neutron diffraction is reported. It reveals for the first time in these…”
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Direct Observation of a Phason Gap in an Incommensurate Molecular Compound
Published in Physical review letters (26-10-1998)Get full text
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Symmetry breaking and short-range order in aperiodic urea inclusion crystals
Published in Acta crystallographica. Section A, Foundations and advances (23-08-2022)“…Abstract only…”
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Elucidating 2D charge-density-wave atomic structure in an MX-chain by the 3D-Δ pair distribution function method
Published in Acta crystallographica. Section A, Foundations and advances (23-08-2022)“…Abstract only…”
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Coherent neutron scattering analysis of alkane dynamical disorder inside nanoporous urea intergrowth crystals
Published in Chemical physics (01-08-2003)“…In nanoporous organic intergrowth crystals, guest molecules are confined to narrow channels created by the host sublattice. Such crystals present coherent…”
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Dynamical molecular disorder and diffuse scattering in an alkane/urea incommensurate inclusion compound
Published in The European physical journal. B, Condensed matter physics (01-11-2001)“…The diffraction pattern of n-alkane/urea inclusion compounds is known to contain a broad diffuse scattering related to the molecular form factor of the alkane…”
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Central peak near the incommensurate displacive phase transition of BCPS
Published in Chemical physics (01-08-2003)“…We report on a high resolution neutron study of the dynamical response of bis (4-chlorophenyl) sulfon near its displacive structural phase transition. On the…”
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Excess low temperature specific heat and related phonon density of states in a modulated incommensurate dielectric
Published in Physical review letters (25-03-1996)Get full text
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Mode coupling analysis of the dynamical structure factor in supercooled liquid Na0.5Li0.5PO3
Published in Journal of non-crystalline solids (01-08-1998)Get full text
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