Elastic deformation in ceria nanorods via a fluorite-to-rutile phase transition.
basic_science · Level V
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- Record sourced from PubMed, PMID 20141159.
- Also identified by DOI 10.1021/nn901612s.
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Abstract
Atomistic simulations reveal that ceria nanorods, under uniaxial tension, can accommodate over 6% elastic deformation. Moreover, a reversible fluorite-to-rutile phase change occurs above 6% strain for a ceria nanorod that extends along [110]. We also observe that during unloading the stress increases with decreasing strain as the rutile reverts back to fluorite. Ceria nanorods may find possible application as vehicles for elastic energy storage.