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The high-pressure crystal structures of Th(3)P(4) and U(3)X(4), where X = P, As and Sb, have been studied by means of synchrotron X-ray diffraction in the pressure range up to 50 GPa. The cubic phase of these compounds is retained in the whole pressure range. The bulk modulus B(0) and its pressure derivative B(0)' have been determined for each compound. A log-log plot of B(0) versus unit-cell volume gives a straight line for the uranium pnictides, with a slope about -5/3.

Additional information

Authors: GERWARD L, Laboratory of Applied Physics, Technical University of Denmark, 2800 Lyngby, (DK);STAUN OLSEN J, University of Copenhagen, Universitesparken 5, 2100 Copenhagen (DK);BENEDICT U, JRC Karlsruhe, Postfach 2340, 7500 Karlsruhe, (DE);LUO H, JRC Karlsruhe, Postfach 2340, 7500 Karlsruhe, (DE);HULLIGER F, Laboratorium für Festkörperphysik, ETH Zürich 8093 Zürich (CH)
Bibliographic Reference: Paper presented: International Conference on High Pressure Science and Technology, Paderborn, (DE), July 17-21, 1989
Availability: Available from (1) as Paper EN 34938 ORA
Record Number: 198910905 / Last updated on: 1994-12-01
Original language: en
Available languages: en
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