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The crystal structure of ThS(2) and US(2) has been investigated up to 60 GPa using X-ray powder diffraction. The bulk modulus is 195(15) GPa for ThS(2) and 155(20) GPa for US(2). A pressure-induced phase transformation occurs at about 50 GPa for ThS(2) and 10-15 GPa for US(2). The structure of the high-pressure phase remains to be determined. Comparisons are made with other AnX(2) and AnXY compounds.

Additional information

Authors: GERWARD L, Technical University of Denmark, Physics Department, Lyngby (DK);STAUN OLSEN J, Niels Bohr Institute, Orsted Laboratory, Copenhagen (DK);BENEDICT U ET AL., JRC Karlsruhe (DE)
Bibliographic Reference: Paper presented: 14th International Conference of the International Association for the Advancement of High Pressure Science and Technology (AIRAPT), Colorado Springs (US), June 28 - July 2, 1993
Availability: Available from (1) as Paper EN 37414 ORA
Record Number: 199310948 / Last updated on: 1994-11-29
Original language: en
Available languages: en