Epitaxial thin films reveal a reversible topotactic transition from (001) cubic UO2 to (130) orthorhombic U3O8, accommodating 36% volume expansion without loss of crystalline integrity.
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A Topotactic Phase Transition in the Uranium Oxide System
Epitaxial thin films reveal a reversible topotactic transition from (001) cubic UO2 to (130) orthorhombic U3O8, accommodating 36% volume expansion without loss of crystalline integrity.