Takanori Hattori
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View article: Bulk modulus change and electron density distribution of high-pressure polymorphs of Fe-Ti-O minerals
Bulk modulus change and electron density distribution of high-pressure polymorphs of Fe-Ti-O minerals Open
The iron-bearing Fe x Ti y O z minerals are important terrestrial materials for plate tectonics studies and paleo-magnetism in geophysics. The bulk modulus of the Fe x Ti y O z
View article: Scandium(III) Solvation and Association and Water Structure in the Gigapascal Pressure Range Investigated by Neutron Scattering
Scandium(III) Solvation and Association and Water Structure in the Gigapascal Pressure Range Investigated by Neutron Scattering Open
Scandium(III) (Sc(III)) is the smallest among the trivalent ions in Group 3, which includes yttrium(III) and lanthanides (III) with a hydration number of 8 and 8–9, respectively. The hydration number of Sc(III) in aqueous solutions reporte…
View article: All-temperature barocaloric effects at pressure-induced phase transitions
All-temperature barocaloric effects at pressure-induced phase transitions Open
Caloric effects, which underpin one solution to solid-state refrigeration technologies, usually occur in the vicinity of solid-state phase transitions with a limited refrigeration temperature span. Here, we introduce and realize an unprece…
View article: Synthesis of BaSiH<sub>6</sub> Hydridosilicate at High Pressures─A Bridge to BaSiH<sub>8</sub> Polyhydride
Synthesis of BaSiH<sub>6</sub> Hydridosilicate at High Pressures─A Bridge to BaSiH<sub>8</sub> Polyhydride Open
Hydridosilicates featuring SiH6 octahedral moieties represent a rather new class of compounds with potential properties relating to hydrogen storage and hydride ion conductivity. Here, we report on the new representative BaSiH
View article: Crystal structures of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>ReO</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math> under hydrostatic pressure: A combined neutron, x-ray, Raman, and first-principles calculation study
Crystal structures of under hydrostatic pressure: A combined neutron, x-ray, Raman, and first-principles calculation study Open
International audience
View article: Hydrogen in the Earth core inferred from neutron imaging and diffraction
Hydrogen in the Earth core inferred from neutron imaging and diffraction Open
The density of the Earth’s core is lower than that of pure iron; this is considered to be caused by the presence of light elements in the core. Hydrogen is one of the most important light elements in the Earth’s core because of its high co…
View article: A Decade of Neutron Diffraction Study of Iron Hydrides
A Decade of Neutron Diffraction Study of Iron Hydrides Open
View article: Robustness of ferromagnetism in van der Waals magnet Fe<sub>3</sub>GeTe<sub>2</sub> to hydrostatic pressure
Robustness of ferromagnetism in van der Waals magnet Fe<sub>3</sub>GeTe<sub>2</sub> to hydrostatic pressure Open
Two-dimensional van der Waals ferromagnet Fe 3 GeTe 2 (FGT) holds a great potential for applications in spintronic devices due to its high Curie temperature, easy tunability, and excellent structural stability in air. Theoretical studies h…
View article: Pressure-induced elongation of hydrogen-oxygen bond in sodium silicate melts
Pressure-induced elongation of hydrogen-oxygen bond in sodium silicate melts Open
View article: Crystal structure and compressibility of magnesium chloride heptahydrate found under high pressure
Crystal structure and compressibility of magnesium chloride heptahydrate found under high pressure Open
The odd hydration number has so far been missing in the water-rich magnesium chloride hydrate series (MgCl 2 · n H 2 O). In this study, magnesium chloride heptahydrate, MgCl 2 ·7H 2 O (or MgCl 2 ·7D 2 O), which forms at high pressures abov…
View article: How Ions and Pressure Affect Water Structure and Dynamics?
How Ions and Pressure Affect Water Structure and Dynamics? Open
High-pressure aqueous saline solutions are pivotal in earth science, planetary modeling, and environmental science. Despite extensive research on the solution structure, the structure modification for solvent water induced by pressure and …
View article: Addendum: Site occupancy of interstitial deuterium atoms in face-centred cubic iron
Addendum: Site occupancy of interstitial deuterium atoms in face-centred cubic iron Open
View article: Brightening triplet excitons enable high-performance white-light emission in organic small molecules via integrating n–π*/π–π* transitions
Brightening triplet excitons enable high-performance white-light emission in organic small molecules via integrating n–π*/π–π* transitions Open
Luminescent materials that simultaneously embody bright singlet and triplet excitons hold great potential in optoelectronics, signage, and information encryption. However, achieving high-performance white-light emission is severely hampere…
View article: Small-Angle Neutron Scattering Measurements of Chiral Magnet CrNb<sub>3</sub>S<sub>6</sub> under Pressure
Small-Angle Neutron Scattering Measurements of Chiral Magnet CrNb<sub>3</sub>S<sub>6</sub> under Pressure Open
View article: Development of a Diamond Anvil Cell for High-Pressure Neutron Diffraction Experiments
Development of a Diamond Anvil Cell for High-Pressure Neutron Diffraction Experiments Open
View article: Hydrogen bond symmetrisation in D2O ice observed by neutron diffraction
Hydrogen bond symmetrisation in D2O ice observed by neutron diffraction Open
Hydrogen bond symmetrisation is the phenomenon where a hydrogen atom is located at the centre of a hydrogen bond. Theoretical studies predict that hydrogen bonds in ice VII eventually undergo symmetrisation upon increasing pressure, involv…
View article: Anisotropic electrical conductivity changes in FeTiO3 structure transition under high pressure
Anisotropic electrical conductivity changes in FeTiO3 structure transition under high pressure Open
Electrical resistivity measurements on oriented FeTiO3 ilmenite using single crystals at high pressures proves that FeTiO3 ilmenite shows anisotropic electrical resistivity. The resistivity in the direction perpendicular to the c-axis decr…
View article: High-precision powder diffraction experiments under high pressure at the J-PARC PLANET beamline and recent results
High-precision powder diffraction experiments under high pressure at the J-PARC PLANET beamline and recent results Open
View article: Development of 0.5 mm gauge size radial collimators for high-pressure neutron diffraction experiments at PLANET in J-PARC
Development of 0.5 mm gauge size radial collimators for high-pressure neutron diffraction experiments at PLANET in J-PARC Open
Radial collimators with a 0.5 mm gauge size (GS) were specially designed for high-pressure neutron diffraction experiments. The performance and efficacy of these collimators, along with the 1.5 mm and 3.0 mm GS radial collimators, were inv…
View article: CSD 2288971: Experimental Crystal Structure Determination
CSD 2288971: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: An X-ray and Neutron Scattering Study of Aqueous MgCl2 Solution in the Gigapascal Pressure Range
An X-ray and Neutron Scattering Study of Aqueous MgCl2 Solution in the Gigapascal Pressure Range Open
The structure of electrolyte solutions under pressure at a molecular level is a crucial issue in the fundamental science of understanding the nature of ion solvation and association and application fields, such as geological processes on t…
View article: Magnetic and structure transition of Mn3-xFexO4 solid solutions under high-pressure and high-temperature conditions
Magnetic and structure transition of Mn3-xFexO4 solid solutions under high-pressure and high-temperature conditions Open
Magnetic and structure transitions of Mn 3–x Fe x O 4 solid solutions under extreme conditions are clarified by neutron time-of-flight scattering diffraction and X-ray Mössbauer measurement. The ferrimagnetic-to-paramagnetic transition tem…
View article: Atomic distribution and local structure in ice VII from in situ neutron diffraction
Atomic distribution and local structure in ice VII from in situ neutron diffraction Open
Ice polymorphs show extraordinary structural diversity depending on pressure and temperature. The behavior of hydrogen-bond disorder not only is a key ingredient for their structural diversity but also controls their physical properties. H…
View article: Report on 10<sup>th</sup> Asian Conference on High Pressure Research
Report on 10<sup>th</sup> Asian Conference on High Pressure Research Open
View article: Effects of sulfur on the hydrogenation of iron in early Earth’s evolution
Effects of sulfur on the hydrogenation of iron in early Earth’s evolution Open
View article: Synthesis and characterisation of a new graphitic C–S compound obtained by high pressure decomposition of CS2
Synthesis and characterisation of a new graphitic C–S compound obtained by high pressure decomposition of CS2 Open
View article: Reinvestigation of site disorder in dense ice by <i>in situ</i> neutron diffraction techniques
Reinvestigation of site disorder in dense ice by <i>in situ</i> neutron diffraction techniques Open
View article: Behavior of light elements in iron-silicate-water-sulfur system during early Earth’s evolution
Behavior of light elements in iron-silicate-water-sulfur system during early Earth’s evolution Open
View article: Commissioning for QENS Experiments at Pressures Up to 200 MPa at MLF, J-PARC
Commissioning for QENS Experiments at Pressures Up to 200 MPa at MLF, J-PARC Open
View article: Author Correction: Experimental evidence for the existence of a second partially-ordered phase of ice VI
Author Correction: Experimental evidence for the existence of a second partially-ordered phase of ice VI Open