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Uranium and thorium have sufficiently low radioactive dose rates to allow their study at synchrotrons and neutron facilities. Correspondingly, numerous compounds of these two actinides have been studied under pressure by synchrotron x-ray diffraction. The maximum pressures reached were on the order of 60-80 GPa, and 300 GPa in one case. The situation is much more difficult for all other actinides. Their high level of radioactivity has up to now prevented their study at synchrotrons, except in a few special cases. In contrast, all actinide metals available in sufficient quantities, and a large number of compounds of highly radioactive actinides, have been studied in high pressure laboratory facilities. Recent examples of in situ high pressure x-ray diffraction work is described.

Additional information

Authors: BENEDICT U ET AL, JRC Karlsruhe (DE);OLSEN J S, Niels Bohr Institute, Oersted Laboratory, Copenhagen (DK);GERWARD L, Technical University of Denmark, Physics Department, Lyngby (DK);HAIRE R G, Oak Ridge National Laboratory, Chemical and Analytical Sciences Division, Transuranium Research Laboratory (US);VOHRA Y K, University of Alabama at Birmingham, Department of Physics (US);GU G,
Bibliographic Reference: Article : High Pressure Research, Vol. 14 (1996) pp. 393-404
Availability: Available from Gordon and Breach Science Publishers SA, Amsterdam (NL)
Record Number: 199610947 / Last updated on: 1996-09-30
Original language: en
Available languages: en
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