EQUATION OF STATE OF (LIH)-LI-7 AND (LID)-LI-7 FROM X-RAY-DIFFRACTIONTO 94 GPA

Authors
LOUBEYRE P LETOULLEC R HANFLAND M ULIVI L DATCHI F HAUSERMANN D
Citation
P. Loubeyre et al., EQUATION OF STATE OF (LIH)-LI-7 AND (LID)-LI-7 FROM X-RAY-DIFFRACTIONTO 94 GPA, Physical review. B, Condensed matter, 57(17), 1998, pp. 10403-10406
Citations number
22
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physical review. B, Condensed matter → ACNP
ISSN journal
01631829
Volume
57
Issue
17
Year of publication
1998
Pages
10403 - 10406
Database
ISI
SICI code
0163-1829(1998)57:17<10403:EOSO(A>2.0.ZU;2-G
Abstract
Single-crystal synchrotron x-ray diffraction has been performed on sol id (LiH)-Li-7 up to 36 GPa and solid (LiD)-Li-7 up to 94 Cpa in helium as a hydrostatic medium. The rocksalt structure is stable up to the m aximum pressure. An isotopic shift on the equation of state (EOS) is c learly measured and its magnitude falls in between various approximati ons of the contribution of the zero-point lattice-vibrations. Finally, the EOS of LiH is compared to calculations and to the EOS of its isoe lectronic solid, He. [S0163-1829(98)08417-3].