1. Crystal size effect on the compressibility of nano-crystalline uranium dioxide
- Author
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Zvoriste-Walters, C.E., Heathman, S., Jovani-Abril, R., Spino, J.L., Janssen, A., and Caciuffo, R.
- Subjects
- *
NANOCRYSTALS , *COMPRESSIBILITY , *URANIUM oxides , *BULK modulus , *HIGH pressure (Science) , *X-ray diffraction , *COMPRESSION loads - Abstract
Abstract: The crystal size dependence of the bulk modulus of nano-crystalline uranium dioxide is investigated by means of in situ high pressure X-ray diffraction. Samples with average particle sizes of 4, 6 and 34nm as measured from high resolution TEM images were studied up to 27GPa revealing that all three nano-crystalline UO2 samples show a drastic decrease of bulk modulus with decreasing particle size. The influence of choosing the right EOS to fit the compression data is also discussed. [Copyright &y& Elsevier]
- Published
- 2013
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