Publications / 発表論文
2025
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Orthorhombic (NH4,Li)Eu(MoO4)2 Solid Solution: Crystal Structure and Red-Emitting Photoluminescence
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Effects of the anion exchange between I- and NCS- coordinated to Co2+-centered tetrahedra in the organic-inorganic hybrid halides
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Flux crystal growth, structure, and optical properties of non-centrosymmetric oxysulfides Ln3Ga3Ge2S3O10 (Ln = La, Ce, Pr, Nd)
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High Proton Conductivity in Nb5+-doped BaScO2.5
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High Oxide-Ion Conduction in Rb-Containing Oxides
2024
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Solid-State 95Mo and 93Nb NMR Study of Ba7Nb4MoO20-Based Materials and Ba7Ta3.7Mo1.3O20.15
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High proton conduction by full hydration in highly oxygen deficient perovskite
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High Conductivity and Diffusion Mechanism of Oxide Ions in Triple Fluorite-Like Layers of Oxyhalides
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Anionic Sublattices in Halide Solid Electrolytes: A Case Study with the High-Pressure Phase of Li3ScCl6
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Synthesis, crystal structure and investigation of ion-exchange possibility for sodium tellurate NaTeO3(OH)
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Structural and electrical properties of Bi3GaSb2O11 at high temperatures
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Strongly Enhanced Polarization in a Ferroelectric Crystal by Conduction-Proton Flow
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Structure analysis and luminescence properties of red-emitting iodide scintillators with potassium-hexachloroplatinate(IV) type structure
2023
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Dimer-Mediated Cooperative Mechanism of Ultrafast-Ion Conduction in Hexagonal Perovskite-Related Oxides
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Thiocyanate-Stabilized Pseudo-cubic Perovskite CH(NH2)2PbI3 from Coincident Columnar Defect Lattices
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Synthesis and ionic conductivity of an argyrodite-type Li6SbS5I electrolyte
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La4Ga2S8O3: A Rare-Earth Gallium Oxysulfide with Disulfide Ions
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High proton conduction in Ba2LuAlO5 with highly oxygen-deficient layers
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Hidden chemical order in disordered Ba7Nb4MoO20 revealed by resonant X-ray diffraction and solid-state NMR
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Supramolecular multi-electron redox photosensitisers comprising a ring-shaped Re(i) tetranuclear complex and a polyoxometalate
2022
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Ge-Containing Oxide-Ion Conductors with CaEu2Ge3O10-Type Structure Discovered by the Bond-Valence Method and Experiments
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Different Local Structures of Mo and Nb Polyhedra in the Oxide-Ion-Conducting Hexagonal Perovskite-Related Oxide Ba3MoNbO8.5 Revealed by 95Mo and 93Nb NMR Measurements
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Bi12O17Cl2 with a Sextuple Bi-O Layer Composed of Rock-Salt and Fluorite Units and its Structural Conversion through Fluorination to Enhance Photocatalytic Activity
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Simultaneous Reduction of Proton Conductivity and Enhancement of Oxide-Ion Conductivity by Aliovalent Doping in Ba7Nb4MoO20
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Synthesis of Hydride-Doped Perovskite Stannate with Visible Light Absorption Capability
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Ruddlesden-Popper Oxychlorides Ba3Y2O5Cl2, Sr3Sc2O5Cl2, and Sr2ScO3Cl: First Examples of Oxide-Ion-Conducting Oxychlorides
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First-Principles Analysis of the Oxide-Ion Conduction Mechanism in Si-Deficient Lanthanum Silicate Apatite
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Oxide-ion and proton conductivity of the ordered perovskite BaYM1/3Ga2/3O2.5
2021
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High oxide-ion conductivity through the interstitial oxygen site in Ba7Nb4MoO20-based hexagonal perovskite related oxides
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Hydride-based antiperovskites with soft anionic sublattices as fast alkali ionic conductors
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Mixed alkali-ion transport and storage in atomic-disordered honeycomb layered NaKNi2TeO6
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High Oxide-Ion Conductivity in a Hexagonal Perovskite-Related Oxide Ba7Ta3.7Mo1.3O20.15 with Cation Site Preference and Interstitial Oxide Ions
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High-temperature proton conductors based on the (110) layered perovskite BaNdScO4
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Protonic conduction in BaNdInO4 structure achieved by acceptor doping
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A Sn-Based Perovskite with a Wide Visible Light Absorption Band Assisted by Hydride Doping
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Site-Selective Eu3+ Luminescence in the Monoclinic Phase of YSiO2N
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Experimental visualization of the interstitialcy diffusion of anions in an LaOF-based oxyfluoride La0.9Sr0.1O0.45F2
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Kinetically Stabilized Cation Arrangement in Li3YCl6 Superionic Conductor during Solid-State Reaction
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Na+ diffusion mechanism and transition metal substitution in tunnel-type manganese-based oxides for Na-ion rechargeable batteries
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Electrochemical Crystal Growth of Titanium Oxyfluorides-A Strategy for Development of Electron-Doped Materials
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Ionic conduction mechanism in Ca-doped Lanthanum Oxychloride
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Effect of La vacancies on the oxide-ion conduction in lanthanum silicate apatites
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Ternary carbodiimide compound, Ba0.9Sr0.1NCN with distorted rutile-type structure
2020
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Oxide-ion conduction in the Dion–Jacobson phase CsBi2Ti2NbO10−δ
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Dion–Jacobson-type oxide-ion conductor CsLa2Ti2NbO10−δ without phase transitions
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Synthesis, structure and luminescence properties of layered oxychloride Ba3Y2O5Cl2
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Strain-induced creation and switching of anion vacancy layers in perovskite oxynitrides
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Cation- and anion-ordered rutile-type derivative LiTeO3(OH)
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Responsive four-coordinate Fe(II) nodes in FePd(CN)4
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Synthesis of Three-layer Perovskite Oxynitride K2Ca2Ta3O9N·2H2O and Photocatalytic Activity for H2 Evolution under Visible Light
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New Structure Family of Oxide-ion Conductors Based on BaGdInO4
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Single-crystal growth, structure and luminescence properties of Cs2HfCl3Br3
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Crystalline Li2CaSiO4 as a highly active catalyst for oxidative coupling of methane
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Two-Dimensional Perovskite Oxynitride K2LaTa2O6N with an H+/K+ Exchangeability in Aqueous Solution to Form Stable Photocatalyst for Visible‐Light H2 Evolution
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Preparation and thermal stability of oxynitride perovskite solid solution Sr1-xLaxTa1-xTixO2N
2019
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Polymorphism and Temperature-Induced Phase Transitions of Na2CoP2O7
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Discovery of a Rare-Earth-Free Oxide-Ion Conductor Ca3Ga4O9 by Screening through Bond Valence-Based Energy Calculations, Synthesis, and Characterization of Structural and Transport Properties
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Stepwise topochemical fluorination of SrCrO3 perovskite via a super-structured oxide
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Direct evidence for two-dimensional oxide-ion diffusion in the hexagonal perovskite-related oxide Ba3MoNbO8.5–δ
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Synthesis of Ba1-xSrxYSi2O5N and Discussion based on Structure Analysis and DFT Calculation
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Thermal expansion and P-V-T equation of state of cubic silicon nitride
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Synthesis of a Layered Niobium Oxynitride Rb2NdNb2O6N·H2O Showing Visible-Light Photocatalytic Activity for H2 Evolution
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Crystal structure analysis and evidence of mixed anion coordination at Ce3+ site in Y3 Al2(Al, Si)3(O,N)12 oxynitride garnet phosphor
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Crystal structures of Ca4+xY3–xSi7O15+xN5–x (0 ≤ x ≤ 1) comprising of an isolated [Si7(O,N)19] unit
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Redshift and thermal quenching of Ce3+ emission in (Gd,Y)3(Al, Si)5(O, N)12 oxynitride garnet phosphors
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Preparation and photocatalytic activity of Mo-modified Ti-doped HAp
2018
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A Novel Near Ultraviolet-Visible Light Excitable Phosphor Based on O2–-Ce4+ Charge Transfer
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Discovery and development of BaNdInO4 —A brief review—
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Pr/Ba cation-disordered perovskite Pr2/3Ba1/3CoO3-δ as a new bifunctional electrocatalyst for oxygen reduction and oxygen evolution reactions
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Function of Tetrahedral ZnS3O Building Blocks in the Formation of SrZn2S2O: A Phase Matchable Polar Oxysulfide with a Large Second Harmonic Generation Response
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Chemical Pressure-Induced Anion Order–Disorder Transition in LnHO Enabled by Hydride Size Flexibility
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Structural Change in SrSiO3 Induced by Introduction of Nitrogen
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A Systematic Evaluation of the Role of the Lanthanide Elements in Complex Functional Oxides; Implications for Energy Conversion Devices
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Undoped Layered Perovskite Oxynitride Li2LaTa2O6N for Photocata-lytic CO2 Reduction with Visible Light
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A new structure family of oxide-ion conductor Ca0.8Y2.4Sn0.8O6 discovered by a combined technique of the bond-valence method and experiments
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High oxide-ion conductivity by the overbonded channel oxygens in Si-deficient La9.565(Si5.826□0.174)O26 apatite without interstitial oxygens
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Experimental visualization of oxide-ion diffusion paths in pyrochlore-type Yb2Ti2O7
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Crystal structure and electrical conductivity of BaR2ZnO5 (R = Sm, Gd, Dy, Ho, and Er) – A new structure family of oxide-ion conductors
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Synthesis, Crystal Structure and Optical Properties of New Layered Perovskite Scandium Oxychlorides: Sr2ScO3Cl, Sr3Sc2O5Cl2, and Ba3Sc2O5Cl2
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A New Precursor Route Using a Compositionally Flexible Layered Oxide and Nanosheet for Improved Nitrogen Doping and Photocatalytic Activity
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High pressure synthesis of hydride-fluoride pyrochlore NaCaMg2F7–xHx
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Single crystal growth of Sillén–Aurivillius perovskite oxyhalides Bi4NbO8X (X = Cl, Br)
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A Quasi-two-dimensional metallic behavior in BaVO3–xHx (0.3 ≤ x ≤ 0.9) with Face- and Corner-sharing Octahedra
2017
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Weak ferromagnetic ordering in brownmillerite Ca2Fe2O5 and its effect on electric field gradients
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Crystal Structure, Electron Density and Characterization of Visible-Light Responsive Photocatalysts, (BaTaO2N)1−x(SrWO2N)x Solid Solutions
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Crystal Structure and Oxide-Ion Conductivity of Ba1+xNd1−xInO4−x/2
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Crystal-structure and electron-density analyses of the perovskite-type oxynitrides BaNbO2N and SrNbO2N through synchrotron X-ray powder diffraction
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New Oxide-Ion Conductor SrYbInO4 with Partially Cation-Disordered CaFe2O4-Type Structure
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Synthesis, Structure and Photoluminescence of a Novel Oxynitride BaYSi2O5N Activated by Eu2+ and Ce3+
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Control of the reversibility during boronic ester formation: application to the construction of ferrocene dimers and trimers
2016
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Hydrothermal Synthesis, Crystal Structure, and Superconductivity of a Double-Perovskite Bi Oxide
2015
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Improved oxide-ion conductivity of NdBaInO4 by Sr doping
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Structural Origin of the Anisotropic and Isotropic Thermal Expansion of K2NiF4-Type LaSrAlO4 and Sr2TiO4
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Structure Determination from Powder X-ray Diffraction Data of Black Azo (Hydrazone) Pigments
2014
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Defect induced sodium disorder and ionic conduction mechanism in Na1.82Mg1.09P2O7
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New Perovskite-Related Structure Family of Oxide-Ion Conducting Materials NdBaInO4
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Diffusion Path and Conduction Mechanism of Protons in Hydroxyapatite
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Almost Perfect Frustration in the Dimer Magnet Ba2CoSi2O6Cl2
2013
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Polymorphic and pseudomorphic transformation behavior of acyclovir based on thermodynamics and crystallography
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Structural understanding of solid-state photodimerization reactions of cinnamic amide derivatives in terms of reaction cavities - color developer for thermosensitive paper
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Experimental visualization of the Bi–O covalency in ferroelectric bismuth ferrite (BiFeO3) by synchrotron X-ray powder diffraction analysis
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Solid-State Hydration/Dehydration of Erythromycin A Investigated by ab Initio Powder X-ray Diffraction Analysis: Stoichiometric and Nonstoichiometric Dehydrated Hydrate
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Reversible Solid State Redox of an Octacyanometallate-Bridged Coordination Polymer by Electrochemical Ion Insertion/Extraction
2012
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Mechanism of Dehydration-Hydration Processes of Lisinopril Dihydrate Investigated by ab Initio Powder X-ray Diffraction Analysis
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Guest-induced self-assembly of a macrocyclic boronic ester containing diarylethene units: enhancement of photoresponsivity
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Cocrystallization and amorphization induced by drug-excipient interaction improves the physical properties of acyclovir
2011
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Structure Determination from Powder X-ray Diffraction Data of a New Polymorph of a High-Density Organic Hydrate Material, with an Assessment of Hydrogen-Bond Disorder by Rietveld Refinement
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Reversible Color Switching of an Organic Crystal Induced by Organic Solvent Vapors
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Supramolecular Networks in Crystalline Inclusion Complexes Formed from a New Host: 2,2-Bis(4-hydroxy-3-phenylphenyl)-1Hindene-1,3(2H)-dione
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Cooperativity in Solid-State Squaramides
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Structural Chemistry of a New Chiral Anhydrous Phase of Ru(bipy)3(ClO4)2 Established from Powder X-ray Diffraction Analysis
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Potential of synchrotron X-ray powder diffractometry for detection and quantification of small amounts of crystalline drug substances in pharmaceutical tablets
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Exploiting powder X-ray diffraction for direct structure determination in structural biology: The P2X4 receptor trafficking motif YEQGL
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Metastable polymorphic form of isopropylbenzophenone derivative directly obtained by the solid-state photoreaction investigated by ab initio powder X-ray diffraction analysis
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In situ observation and mechanistic elucidation of metastable colored species in crystalline state photochromism of trans-biindenylidenedione
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Study of the Pseudo-Crystalline Transformation from Form I to Form II of Thiamine Hydrochloride (Vitamin B1)
2010
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Cocrystalline Phase Transformation of Binary Mixture of Trimethoprim and Sulfamethoxazole by Slurry Technique
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Direct structure elucidation by powder X-ray diffraction of a metal-organic framework material prepared by solvent-free grinding
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Potassium clavulanate
Acta Crystallogr. Sect. E Struct. Reports Online, 66, , m985-m986, 2010
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Arrays of P=O Dipoles As a Recurrent Structural Motif in Bis-Diphenylphosphine Oxides, Established from Powder X-ray Diffraction
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A Solid-State Dehydration Process in an Organic Material Associated with Substantial Hydrogen-Bond Reorganization, Investigated by Powder X-ray Diffraction
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Selective transformation pathways between crystalline forms of an organic material established from powder X-ray diffraction analysis
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Hexaradialenes by Successive Ring Openings of Tris(alkoxytricyclobutabenzenes):Synthesis and Characterization
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Physicochemical Understanding of Polymorphism and Solid-State Dehydration/Rehydration Processes for the Pharmaceutical Material Acrinol, by Ab Initio Powder X-ray Diffraction Analysis and Other Techniques
2009
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Partial ferromagnetic ordering and indirect exchange interaction in the spatially anisotropic kagome antiferromagnet Cs2Cu3CeF12
Phys. Rev. B: Condens. Matter, 80, 10, 100406/1-100406/4, 2009
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Magnetic susceptibilities in a family of S= 1/2 kagome antiferromagnets
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Dihydrochalcone Designed from Methylophiopogonanone B Strongly Inhibits Hypoxia-inducible Factor (HIF)-1α Activity
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Chiral Tetraazamacrocycles Having Four Pendant-Arms
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Performance of the micro-PIC gaseous area detector in small-angle X-ray scattering experiments
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Vapour Induced Crystalline Transformation Investigated by ab initio Powder X-ray Diffraction Analysis
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Reevaluation of solubility of tolbutamide and polymorphic transformation from Form I to unknown crystal form
2008
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Single-crystal-to-single-crystal photocyclization of 4-(2,4,6-triisopropylbenzoyl)benzoic acid in the salt crystal with (S)-phenylethylamine
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Singlet Ground State and Spin Gap in S = 1/2 Kagome Antiferromagnet Rb2Cu3SnF12
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Solid-State Phase Transition of an Inclusion Complex of 5-Methyl-2-pyridone with 1,3,5-Benzenetricarboxylic Acid
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Multiple Pentafluorophenylation of 2,2,3,3,5,6,6-Heptafluoro-3,6-dihydro-2H-1,4-oxazine with an Organosilicon Reagent: NMR and DFT Structural Analysis of Oligo(perfluoroaryl) Compounds