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Structural Study of δ-AlOOH Up to 29 GPa

Title data

Simonova, Dariia ; Bykova, Elena ; Bykov, Maxim ; Kawazoe, Takaaki ; Simonov, Arkadiy ; Dubrovinskaia, Natalia ; Dubrovinsky, Leonid:
Structural Study of δ-AlOOH Up to 29 GPa.
In: Minerals. Vol. 10 (2020) Issue 12 . - No. 1055.
ISSN 2075-163X
DOI: https://doi.org/10.3390/min10121055

Official URL: Volltext

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Abstract in another language

A structure and equation of the state of δ-AlOOH has been studied at room temperature, up to 29.35 GPa, by means of single crystal X-ray diffraction in a diamond anvil cell using synchrotron radiation. Above ~10 GPa, we observed a phase transition with symmetry changes from P21nm to Pnnm. Pressure-volume data were fitted with the second order Birch-Murnaghan equation of state and showed that, at the phase transition, the bulk modulus (K0) of the calculated wrt 0 pressure increases from 142(5) to 216(5) GPa.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: AlOOH; diamond anvil cell; high pressure; extreme conditions; single crystal X-ray
diffraction (SC-XRD)
Institutions of the University: Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Chair Crystallography
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Chair Crystallography > Chair Crystallography - Univ.-Prof. Dr. Sander van Smaalen
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Professor Materials Physics and Technology at Extreme Conditions
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Professor Materials Physics and Technology at Extreme Conditions > Professor Materials Physics and Technology at Extreme Conditions - Univ.-Prof. Dr. Natalia Doubrovinckaia
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 12 Apr 2021 11:36
Last Modified: 26 May 2021 08:00
URI: https://eref.uni-bayreuth.de/id/eprint/64643