Compressibility of hexagonal selenium to 45 kbar |
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Authors: | A.K. Singh G.C. Kennedy |
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Affiliation: | Institute of Geophysics and Planetary Physics, University of California, Los Angeles, Ca. 90024, U.S.A. |
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Abstract: | Compression data to 45 kbar have been obtained for hexagonal selenium by static methods in a piston-cylinder apparatus. Cylindrical samples (1 cm dia. and 1·2 cm length) of polycrystalline hexagonal selenium, with a bulk density close to the X-ray density, were prepared by pressing the samples at 7 kbar and 170°C. The compression data are described by a third degree polynomial,,where P is pressure in kbar. The zero pressure bulk modulus and the pressure derivative of the bulk modulus are 156 ± 10 kbar and 4·33 respectively. |
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