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Single-crystal X-ray diffraction at megabar pressures and temperatures of thousands of degrees

Title data

Dubrovinsky, Leonid ; Boffa Ballaran, Tiziana ; Glazyrin, Konstantin ; Kurnosov, Alexander ; Frost, Daniel J. ; Merlini, Marco ; Hanfland, Michael ; Prakapenka, Vitali B. ; Schouwink, P. ; Pippinger, Thomas ; Dubrovinskaia, Natalia:
Single-crystal X-ray diffraction at megabar pressures and temperatures of thousands of degrees.
In: High Pressure Research. Vol. 30 (2010) Issue 4 . - pp. 620-633.
ISSN 1477-2299
DOI: https://doi.org/10.1080/08957959.2010.534092

Official URL: Volltext

Project information

Project financing: Deutsche Forschungsgemeinschaft

Abstract in another language

The most reliable information about crystal structures and their response to changes in pressure and temperature is obtained from single-crystal diffraction experiments. We have developed a methodology to perform single-crystal X-ray diffraction experiments in laser-heated diamond anvil cells and demonstrate that structural refinements and accurate measurements of the thermal equation of state of metals, oxides and silicates from single-crystal intensity data are possible in pressures ranging up to megabars and temperatures of thousands of degrees. A new methodology was applied to solve the in situ high pressure, high temperature structure of iron oxide and study structural variations of iron and aluminum bearing silicate perovskite at conditions of the Earth's lower mantle.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Chair Crystallography
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences > Professur Materialphysik und Technologie bei extremen Bedingungen
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Group Material Sciences
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 07 Aug 2015 10:45
Last Modified: 06 Aug 2018 06:39
URI: https://eref.uni-bayreuth.de/id/eprint/17614