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Work at the JRC-ITU has used high pressure X-ray diffraction to obtain basic information on phase transitions in actinide materials. Energy dispersive diffraction methods were also applied. In B1 type compounds, results showed that magnetic order was less dependent on structure than expected. The most important pressure effect observed during this study was the appearance of metallic characteristics in Th(3)P(4) at 38 GPa, perhaps indicating that this pressure creates sufficient occupation of the 5f levels to allow p-f mixing.

Additional information

Authors: BENEDICT U, JRC Karlsruhe (DE)
Bibliographic Reference: Paper presented: International Conference Actinides '93, Santa Fe (US), September 19-24, 1993
Availability: Available from (1) as Paper EN 37472 ORA
Record Number: 199311340 / Last updated on: 1994-11-28
Original language: en
Available languages: en