New developments in high-pressure X-ray diffraction beamline for diamond anvil cell at SPring-8
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TLDR
An overview of the recently renovated high-pressure X-ray diffraction (XRD) BL10XU beamline for the diamond anvil cell at SPring-8 is presented in this article.About:
This article is published in Matter and Radiation at Extremes.The article was published on 2020-01-16 and is currently open access. It has received 88 citations till now. The article focuses on the topics: Beamline & Diamond anvil cell.read more
Citations
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Journal ArticleDOI
Superconductivity at 253 K in lanthanum–yttrium ternary hydrides
Dmitrii V. Semenok,I. A. Troyan,Anna G. Ivanova,Alexander G. Kvashnin,Ivan A. Kruglov,Michael Hanfland,A. V. Sadakov,Oleg A. Sobolevskiy,K. S. Pervakov,Igor S. Lyubutin,Konstantin Glazyrin,Nico Giordano,Denis N. Karimov,Alexander L. Vasiliev,Alexander L. Vasiliev,Ryosuke Akashi,V. M. Pudalov,V. M. Pudalov,Artem R. Oganov +18 more
TL;DR: In this paper, a series of lanthanum-yttrium ternary hydrides obtained at pressures of 170-196 GPa via the laser heating of P63/mmc La-Y alloys with ammonia borane were reported.
Journal ArticleDOI
Superconductivity at 253 K in lanthanum-yttrium ternary hydrides.
Dmitrii V. Semenok,I. A. Troyan,Alexander G. Kvashnin,Anna G. Ivanova,Michael Hanfland,A. V. Sadakov,Oleg A. Sobolevskiy,K. S. Pervakov,Alexander G. Gavriliuk,Igor S. Lyubutin,Konstantin Glazyrin,Nico Giordano,Denis N. Karimov,Alexander B. Vasiliev,Ryosuke Akashi,V. M. Pudalov,Artem R. Oganov +16 more
TL;DR: In this article, a series of ternary high-temperature superconducting hydrides with a critical temperature of 237 +/- 5 K and a magnetic field of up to 135 T was synthesized.
Journal ArticleDOI
A Practical Review of the Laser-Heated Diamond Anvil Cell for University Laboratories and Synchrotron Applications
Simone Anzellini,Silvia Boccato +1 more
TL;DR: In this article, the general challenges associated with the use of the laser-heated diamond anvil cells are discussed together with the recent progress in using this tool combined with synchrotron X-ray diffraction and absorption spectroscopy.
Journal ArticleDOI
Structure of disordered materials under ambient to extreme conditions revealed by synchrotron x-ray diffraction techniques at SPring-8-recent instrumentation and synergic collaboration with modelling and topological analyses.
TL;DR: The progress in the instrumentation for hard x-ray beamlines at SPring-8 over the last 20 years is introduced with associated results and advanced data analysis techniques to understand the topology in disordered materials.
Journal ArticleDOI
Evidence for oxygenation of Fe-Mg oxides at mid-mantle conditions and the rise of deep oxygen.
Jin Liu,Chenxu Wang,Chaojia Lv,Xiaowan Su,Yijin Liu,Ruilian Tang,Jiuhua Chen,Qingyang Hu,Ho-kwang Mao,Wendy L. Mao,Wendy L. Mao +10 more
TL;DR: The new OE-phase provides strong evidence that H2O has extraordinary oxidation power at high pressure and the emergence of oxygen-excess reservoirs out of primordial or subducted (Mg, Fe)-bearing hydrous materials may revise the view on the deep-mantle redox chemistry.
References
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Journal ArticleDOI
Post-Perovskite Phase Transition in MgSiO3
TL;DR: Results demonstrate that MgSiO3 perovskite transforms to a new high-pressure form with stacked SiO6-octahedral sheet structure above 125 gigapascals and 2500 kelvin (2700-kilometer depth near the base of the mantle) with an increase in density of 1.0 to 1.2%.
Journal ArticleDOI
The structure of iron in Earth's inner core.
TL;DR: In this paper, the hexagonal close-packed (hcp) structure of Fe is stable up to 377 gigapascals and 5700 kelvin, corresponding to inner core conditions.
Journal ArticleDOI
Crystal structure of the superconducting phase of sulfur hydride
Mari Einaga,Masafumi Sakata,Takahiro Ishikawa,Katsuya Shimizu,Mikhail Eremets,A. P. Drozdov,I. A. Troyan,Naohisa Hirao,Yasuo Ohishi +8 more
TL;DR: The crystal structure of the superconducting phase of hydrogen sulfide (and deuterium sulfide) in the normal andsuperconducting states obtained by means of synchrotron X-ray diffraction measurements, combined with electrical resistance measurements at both room and low temperatures are reported.
Journal ArticleDOI
SPECTRA: a synchrotron radiation calculation code.
Takashi Tanaka,Hideo Kitamura +1 more
TL;DR: An application program to calculate various characteristics of synchrotron radiation, called SPECTRA, is described, and effective numerical methods implemented to reduce computation time are explained.
Journal ArticleDOI
Pressure calibration of diamond anvil Raman gauge to 310 GPa
Yuichi Akahama,Haruki Kawamura +1 more
TL;DR: In this paper, the first-order Raman spectra of diamond anvils were investigated at pressures up to 310GPa and the high-frequency edge of the Raman band, which corresponds to Raman shift of the anvil culet due to the normal stress, was calibrated against the sample pressure derived from the equation of state of Pt.
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