Search Results - "HERNANDEZ, Olivier"

Perovskite-Type CuNbO3 Exhibiting Unusual Noncollinear Ferrielectric to Collinear Ferroelectric Dipole Order Transition by Fukuda, Masayuki, Yamada, Ikuya, Murata, Hidenobu, Hojo, Hajime, Hernandez, Olivier J, Ritter, Clemens, Tanaka, Katsuhisa, Fujita, Koji

“…We report a perovskite oxide with a new type of polar structure, CuNbO3, thanks to the use of high-pressure and high-temperature synthesis. The perovskite-type…”
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Hybrid Improper Ferroelectricity in (Sr,Ca)3Sn2O7 and Beyond: Universal Relationship between Ferroelectric Transition Temperature and Tolerance Factor in n = 2 Ruddlesden–Popper Phases by Yoshida, Suguru, Akamatsu, Hirofumi, Tsuji, Ryosuke, Hernandez, Olivier, Padmanabhan, Haricharan, Sen Gupta, Arnab, Gibbs, Alexandra S, Mibu, Ko, Murai, Shunsuke, Rondinelli, James M, Gopalan, Venkatraman, Tanaka, Katsuhisa, Fujita, Koji

“…Hybrid improper ferroelectricity, which utilizes nonpolar but ubiquitous rotational/tilting distortions to create polarization, offers an attractive route to…”
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Ferroelectric Sr3Zr2O7: Competition between Hybrid Improper Ferroelectric and Antiferroelectric Mechanisms by Yoshida, Suguru, Fujita, Koji, Akamatsu, Hirofumi, Hernandez, Olivier, Sen Gupta, Arnab, Brown, Forrest G., Padmanabhan, Haricharan, Gibbs, Alexandra S., Kuge, Toshihiro, Tsuji, Ryosuke, Murai, Shunsuke, Rondinelli, James M., Gopalan, Venkatraman, Tanaka, Katsuhisa

“…In contrast to polar cation displacements driving oxides into noncentrosymmetric and ferroelectric states, inversion‐preserving anion displacements, such as…”
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An oxyhydride of BaTiO3 exhibiting hydride exchange and electronic conductivity by Kobayashi, Yoji, Hernandez, Olivier J., Sakaguchi, Tatsunori, Yajima, Takeshi, Roisnel, Thierry, Tsujimoto, Yoshihiro, Morita, Masaki, Noda, Yasuto, Mogami, Yuuki, Kitada, Atsushi, Ohkura, Masatoshi, Hosokawa, Saburo, Li, Zhaofei, Hayashi, Katsuro, Kusano, Yoshihiro, Kim, Jung eun, Tsuji, Naruki, Fujiwara, Akihiko, Matsushita, Yoshitaka, Yoshimura, Kazuyoshi, Takegoshi, Kiyonori, Inoue, Masashi, Takano, Mikio, Kageyama, Hiroshi

“…The substitution of oxygen by hydride anions in oxide materials to form oxyhydrides has been difficult to achieve because it requires highly reducing…”
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New chemistry of transition metal oxyhydrides by Kobayashi, Yoji, Hernandez, Olivier, Tassel, Cédric, Kageyama, Hiroshi

“…In this review we describe recent advances in transition metal oxyhydride chemistry obtained by topochemical routes, such as low temperature reduction with…”
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Mechanochemical Synthesis and Study of the Local Structure of NaGaS2 Glass and Glass–Ceramics by Verger, Louisiane, Trébosc, Julien, Baptiste, Benoît, Furet, Eric, Dénoue, Killian, Zhang, Jiajie, Cheviré, François, Le Coq, David, Calvez, Laurent, Lafon, Olivier, Hernandez, Olivier

“…NaGaS2 is a newly discovered compound that has already shown great promise for a variety of applications because of its layered structure and ion exchange…”
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Comprehensive Study of Oxygen Storage in YbFe2O4+x (x ≤ 0.5): Unprecedented Coexistence of FeOn Polyhedra in One Single Phase by Nicoud, Sarah, Huvé, Marielle, Hernandez, Olivier, Pautrat, Alain, Duttine, Mathieu, Wattiaux, Alain, Colin, Claire, Kabbour, Houria, Mentré, Olivier

“…The multiferroic LuFe2.5+2O4 was recently proposed as a promising material for oxygen storage due to its easy reversible oxidation into LuFe3+2O4.5. We have…”
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In Situ Synchrotron Powder Diffraction Study of Cd Intercalation into Chevrel Phases: Crystal Structure and Kinetic Effect by Barbosa, José, Prestipino, Carmelo, Hernandez, Olivier J, Paofai, Serge, Dejoie, Catherine, Guilloux-Viry, Maryline, Boulanger, Clotilde

“…Chevrel phases are molybdenum chalcogenides of formula M x Mo6X8 (where M is a cation and X is a chalcogen) that present a complex and captivating…”
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Site Selectivity of Hydride in Early-Transition-Metal Ruddlesden–Popper Oxyhydrides by Hernandez, Olivier J, Geneste, Gregory, Yajima, Takeshi, Kobayashi, Yoji, Okura, Masatoshi, Aidzu, Kouhei, Tassel, Cédric, Paofai, Serge, Swain, Diptikanta, Ritter, Clemens, Kageyama, Hiroshi

“…Layered perovskite titanium oxyhydrides have been prepared by low-temperature topochemical CaH2 reduction from Ruddlesden–Popper Sr n+1Ti n O3n+1 phases (n =…”
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Kinemetry of SINS High-Redshift Star-Forming Galaxies: Distinguishing Rotating Disks from Major Mergers by Shapiro, Kristen L, Genzel, Reinhard, Förster Schreiber, Natascha M, Tacconi, Linda J, Bouché, Nicolas, Cresci, Giovanni, Davies, Richard, Eisenhauer, Frank, Johansson, Peter H, Krajnović, Davor, Lutz, Dieter, Naab, Thorsten, Arimoto, Nobuo, Arribas, Santiago, Cimatti, Andrea, Colina, Luis, Daddi, Emanuele, Daigle, Olivier, Erb, Dawn, Hernandez, Olivier, Kong, Xu, Mignoli, Marco, Onodera, Masato, Renzini, Alvio, Shapley, Alice, Steidel, Charles

“…We present a simple set of kinematic criteria that can distinguish between galaxies dominated by ordered rotational motion and those involved in major merger…”
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Lattice Dynamics To Trigger Low Temperature Oxygen Mobility in Solid Oxide Ion Conductors by Paulus, Werner, Schober, Helmut, Eibl, Stefan, Johnson, Mark, Berthier, Tanguy, Hernandez, Olivier, Ceretti, Monica, Plazanet, Marie, Conder, Kazimierz, Lamberti, Carlo

“…SrFeO2.5 and SrCoO2.5 are able to intercalate oxygen in a reversible topotactic redox reaction already at room temperature to form the cubic perovskites…”
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Gas phase contributions to topochemical hydride reduction reactions by Kobayashi, Yoji, Li, Zhaofei, Hirai, Kei, Tassel, Cédric, Loyer, François, Ichikawa, Noriya, Abe, Naoyuki, Yamamoto, Takafumi, Shimakawa, Yuichi, Yoshimura, Kazuyoshi, Takano, Mikio, Hernandez, Olivier J., Kageyama, Hiroshi

“…Alkali and alkali earth hydrides have been used as solid state reductants recently to yield many interesting new oxygen-deficient transition metal oxides…”
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Reduction of Sr2MnO4 Investigated by High Temperature in Situ Neutron Powder Diffraction under Hydrogen Flow by Broux, Thibault, Bahout, Mona, Hernandez, Olivier, Tonus, Florent, Paofai, Serge, Hansen, Thomas, Greaves, Colin

“…This experiment emphasizes the first example of two-phase sequential Rietveld refinements throughout a solid/gas chemical reaction monitored by Neutron Powder…”
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Unprecedented Electron-Poor Octahedral Ta6 Clusters in a Solid-State Compound: Synthesis, Characterisations and Theoretical Investigations of Cs2BaTa6Br15O3 by Demont, Antoine, Prestipino, Carmelo, Hernandez, Olivier, Elkaïm, Erik, Paofai, Serge, Naumov, Nikolaï, Fontaine, Bruno, Gautier, Régis, Cordier, Stéphane

“…The crystal structure of Cs2BaTa6Br15O3 has been elucidated by using synchrotron X‐ray powder diffraction and absorption experiments. It is built from…”
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Self-Assembly of Ambivalent Organic/Inorganic Building Blocks Containing Re6 Metal Atom Cluster: Formation of a Luminescent Honeycomb, Hollow, Tubular Metal-Organic Framework by Shestopalov, Michael A, Cordier, Stéphane, Hernandez, Olivier, Molard, Yann, Perrin, Christiane, Perrin, André, Fedorov, Vladimir E, Mironov, Yuri V

“…Reactions in a sealed glass tube between melted pyrazine (pyz) and a Cs3Re6Qi 7BriBra 6·H2O inorganic rhenium cluster compound (Q = S, Se; “i” for inner and…”
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Density Functional Theory Study of Triphenyl Phosphite:  Molecular Flexibility and Weak Intermolecular Hydrogen Bonding by Hernandez, Olivier J., Boucekkine, Abdou, Hédoux, Alain

“…The high conformational flexibility of triphenyl phosphite (TPP) is investigated by density functional theory (DFT) calculations. First, through a scan of the…”
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Tetrahedral Mo4 Clusters as Building Blocks for the Design of Clathrate-Related Giant Frameworks by Shestopalov, Michael A., Ledneva, Alexandra Y., Cordier, Stéphane, Hernandez, Olivier, Potel, Michel, Roisnel, Thierry, Naumov, Nikolai G., Perrin, Christiane

“…Cluster‐based clathrate: Mo4Si4Cla12 inorganic building blocks (see picture, i=inner, a=apical) containing Mo4 metal atom clusters assemble to yield an…”
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Micro-structural investigations in the glacial state of triphenyl phosphite by Hédoux, Alain, Guinet, Yannick, Derollez, Patrick, Hernandez, Olivier, Paccou, Laurent, Descamps, Marc

“…A detailed structural description of the glacial state in triphenyl phosphite, based on Raman microspectroscopy investigations and a complementary structural…”
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Rotationally disordered phase of 1,3-dibromo-5-iodo-2,4,6-trimethylbenzene at 293 K by Ghanemi, Soumia, Hernandez, Olivier, Boudjada, Ali, Meinnel, Jean

“…In the crystal state at room temperature, the molecule of dibromoiodomesitylene (1,3‐dibromo‐5‐iodo‐2,4,6‐trimethylbenzene), C9H9Br2I, is prone to strong…”
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Unusual Coexistence of Magnetic and Nonmagnetic Mo6 Octahedral Clusters in a Chalcohalide Solid Solution: Synthesis, X-ray Diffraction, EPR, and DFT Investigations of Cs3Mo6Ii6Ii2−xSeixIa6 by Kirakci, Kaplan, Cordier, Stéphane, Shames, Alex, Fontaine, Bruno, Hernandez, Olivier, Furet, Eric, Halet, Jean-François, Gautier, Régis, Perrin, Christiane

“…The Cs3Mo6Ii6Ii2−xSeixIa6 series has been obtained by a solid‐state route. There is evidence for a solid solution between the compositions…”
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