Search Results - "Ravy, Sylvain"

Sequential Activation of Molecular Breathing and Bending during Spin-Crossover Photoswitching Revealed by Femtosecond Optical and X-Ray Absorption Spectroscopy by Cammarata, Marco, Bertoni, Roman, Lorenc, Maciej, Cailleau, Hervé, Di Matteo, Sergio, Mauriac, Cindy, Matar, Samir F, Lemke, Henrik, Chollet, Matthieu, Ravy, Sylvain, Laulhé, Claire, Létard, Jean-François, Collet, Eric

“…We study the basic mechanisms allowing light to photoswitch at the molecular scale a spin-crossover material from a low- to a high-spin state. Combined…”
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Imaging shape and strain in nanoscale engineered semiconductors for photonics by coherent x-ray diffraction by Berenguer, Felisa, Pettinari, Giorgio, Felici, Marco, Balakrishnan, Nilanthy, Clark, Jesse N., Ravy, Sylvain, Patané, Amalia, Polimeni, Antonio, Ciatto, Gianluca

“…Coherent x-ray diffractive imaging is a nondestructive technique that extracts three-dimensional electron density and strain maps from materials with nanometer…”
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Charge Order and Suppression of Superconductivity in HgBa2CuO4+d at High Pressures by Izquierdo, Manuel, Freitas, Daniele C., Colson, Dorothée, Garbarino, Gastón, Forget, Anne, Raffy, Helène, Itié, Jean-Paul, Ravy, Sylvain, Fertey, Pierre, Núñez-Regueiro, Manuel

“…New insight into the superconducting properties of HgBa2CuO4 (Hg-1201) cuprates is provided by combined measurements of electrical resistivity and single…”
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(EDT-TTF-CONH2)6[Re6Se8(CN)6], a Metallic Kagome-Type Organic−Inorganic Hybrid Compound:  Electronic Instability, Molecular Motion, and Charge Localization by Baudron, Stéphane A, Batail, Patrick, Coulon, Claude, Clérac, Rodolphe, Canadell, Enric, Laukhin, Vladimir, Melzi, Roberto, Wzietek, Pawel, Jérome, Denis, Auban-Senzier, Pascale, Ravy, Sylvain

“…(EDT-TTF-CONH2)6[Re6Se8(CN)6], space group R3̄, was prepared by electrocrystallization from the primary amide-functionalized ethylenedithiotetrathiafulvalene,…”
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High-pressure study of x-ray diffuse scattering in ferroelectric perovskites by Ravy, Sylvain, Itié, Jean-Paul, Polian, Alain, Hanfland, Michael

“…We present a high-pressure x-ray diffuse scattering study of the ABO3 ferroelectric perovskites BaTiO3 and KNbO3. The well-known diffuse lines are observed in…”
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Study of Molecular Conductors by X-ray Diffuse Scattering by Ravy, Sylvain

“…This review is dedicated to the study of molecular conductors by X-ray diffraction and diffuse scattering. In section 2, the basics of diffraction will be…”
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MicaPenrose: a work of art as a tool to teach and popularize crystallography by Ravy, Sylvain

“…Abstract only…”
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André Guinier (1911-2000): a physicist among crystallographers by Ravy, Sylvain

“…This paper briefly retraces the career of André Guinier, awardee of the Gregori Aminoff prize in 1985, from his PhD thesis work on small angle scattering and…”
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Homometry in the light of coherent beams by Ravy, Sylvain

“…Two systems are homometric if they are indistinguishable by diffraction. A distinction is first made between Bragg and diffuse scattering homometry, and it is…”
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Order as revealed by coherent diffraction by Ravy, Sylvain

“…Abstract only We are generally taught that a crystal is disordered if its diffraction pattern consists in Bragg reflections and diffuse scattering. However,…”
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Foreword: Ultrafast Phenomena in condensed matter physics by Collet, Eric, Ravy, Sylvain

“…Matter is dynamic and changes under the effect of various external constraints, in particular light. The development of ultra-fast techniques now makes it…”
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Photoinduced charge density wave phase in 1T-TaS 2 : growth and coarsening mechanisms by Jarnac, Amélie, Jacques, Vincent L. R., Cario, Laurent, Janod, Etienne, Johnson, Steven L., Ravy, Sylvain, Laulhé, Claire

“…Recent experiments have shown that the high-temperature incommensurate (I) charge density wave (CDW) phase of 1T-TaS2 can be photoinduced from the…”
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Sub-na and sub-ps time-resolved diffraction at CRISTAL beamline – SOLEIL synchrotron by Ravy, Sylvain, Laulhé, Claire, Ciavardini, Alessandra, Jarnac, Amélie, Legrand, Fabien, Elkaim, Erik, Berenguer, Felisa, Fertey, Pierre

“…Abstract only…”
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Aperiodic spin state ordering of bistable molecules and its photoinduced erasing by Collet, E, Watanabe, H, Bréfuel, N, Palatinus, L, Roudaut, L, Toupet, L, Tanaka, K, Tuchagues, J-P, Fertey, P, Ravy, S, Toudic, B, Cailleau, H

“…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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Time-resolved X-ray diffraction on density-wave systems by Ravy, Sylvain, Laulhé, Claire, Huber, Tim, Ferrer, A., Jacques, Vincent, Le Bolloc'h, David, Mariager, S. O., Ingold, Gerhard, Beaud, Paul, Johnson, S. L.

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Commissioning of a multi‐beamline femtoslicing facility at SOLEIL by Labat, Marie, Brubach, Jean-Blaise, Ciavardini, Alessandra, Couprie, Marie-Emmanuelle, Elkaim, Erik, Fertey, Pierre, Ferte, Tom, Hollander, Philippe, Hubert, Nicolas, Jal, Emmanuelle, Laulhé, Claire, Luning, Jan, Marcouillé, Olivier, Moreno, Thierry, Morin, Paul, Polack, Francois, Prigent, Pascale, Ravy, Sylvain, Ricaud, Jean-Paul, Roy, Pascale, Silly, Mathieu, Sirotti, Fausto, Taleb, Amina, Tordeux, Marie-Agnès, Nadji, Amor

“…The investigation of ultrafast dynamics, taking place on the few to sub‐picosecond time scale, is today a very active research area pursued in a variety of…”
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High-pressure X-ray diffraction study of 1T-TaS2 by Ravy, Sylvain, Laulhé, Claire, Itié, Jean-Paul, Fertey, Pierre, Corraze, Benoit, Salmon, Sabrina, Cario, Laurent

“…We present a room temperature high-pressure X-ray diffraction study of the layered compound 1T-TaS2 up to 20GPa. This material is known to exhibit a variety of…”
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Tunnel-mediated coupling between antiferromagnetic thin films by Leroy, Marie-Alix, Bataille, Alexandre M., Dkhil, Brahim, Porcher, Florence, Barbier, Antoine, Jacques, Vincent L. R., Lu, Yuan, Bellouard, Christine, Hauet, Thomas, Ravy, Sylvain, Herrero-Martin, Javier, Gatel, Christophe, Bouzehouane, Karim, Gukasov, Arsen, Andrieu, Stéphane, Tiusan, Coriolan

“…The study, tailoring, and control of the coupling between magnetic layers triggered the development of spintronics and has been up to now focused on systems…”
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X-ray study of femtosecond structural dynamics of the charge-density wave compound 1T-TaS2 by Ravy, Sylvain, Laulhé, Claire, Huber, Tim, Lantz, Gabriel, Cario, Laurent, Corraze, Benoit, Janod, Etienne, Ferrer, Andres, Rittmann, Jochen, Mariager, Simon, Johnson, Jeremy A., Gruebel, Sebastian, Luebcke, A., Huber, L., Kubli, Martin, Savoini, Matteo, Esposito, Vincent, Jacques, Vincent, Ingold, Gerhard, Beaud, Paul, Johnson, Steven L.

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In situ coherent X-ray diffraction of isolated core–shell nanowires by Haag, Sabine T., Richard, Marie-Ingrid, Favre-Nicolin, Vincent, Welzel, Udo, Jeurgens, Lars P.H., Ravy, Sylvain, Richter, Gunther, Mittemeijer, Eric J., Thomas, Olivier

“…Anomalous coherent X-ray diffraction in Bragg geometry is a promising technique to study three-dimensional composition and strain fields in nanostructures…”
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