Behavior of actinide dioxides under pressure: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="normal">U</mml:mi><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi mathvariant="normal">Th</mml:mi><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:mrow></mml:math>

Idiri, M.; Le Bihan, Thierry; Heathman, S.; Rébizant, J.

doi:10.1103/physrevb.70.014113

Public

Behavior of actinide dioxides under pressure: UO2andThO2

Published in Physical Review B • Jul 29, 2004

Authors:

M. Idiri

Thierry Le Bihan

S. Heathman

Abstract

The structural high-pressure properties of $\mathrm{Th}{\mathrm{O}}_{2}$ and $\mathrm{U}{\mathrm{O}}_{2}$ have been studied in diamond-anvil cells up to maximum pressures of 80 and 69 GPa, respectively. These results show that both thorium and uranium dioxides exhibit an identical sequence of struct...

Subject

Diamond anvil cell

Orthorhombic crystal system

Hydrostatic pressure

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