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Melting Processes and Crystal Structure of Solid 4He Al High Densities

Published online by Cambridge University Press:  21 February 2011

J.M. Besson ,
R. Le Toullec ,
P. Loubeyre ,
J.P. Pinceaux  and
J.P. Hansen
J.M. Besson
Affiliation:
Physique des milieux très condensés.T.13–E4.Univ. Pierre et Marie Curie 4 Pl.Jussieu. 75230Paris.
R. Le Toullec
Affiliation:
Physique des milieux très condensés.T.13–E4.Univ. Pierre et Marie Curie 4 Pl.Jussieu. 75230Paris.
P. Loubeyre
Affiliation:
Physique des milieux très condensés.T.13–E4.Univ. Pierre et Marie Curie 4 Pl.Jussieu. 75230Paris.
J.P. Pinceaux
Affiliation:
Physique des milieux très condensés.T.13–E4.Univ. Pierre et Marie Curie 4 Pl.Jussieu. 75230Paris.
J.P. Hansen
Affiliation:
Laboratoire de Physique théorioue des liquides.T.16–E5.Univ. Pierre et Marie Curie.Associés au C.N.R.S.
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Abstract

Solid-fluid equilibrium has been measured in 4He between 7 and 18GPa (220 - 400K). The melting line is fitted up to 280K, for an f.c.c. solid, using an exponential pair potential. Experimental evidence for a b.c.c. phase at high temperature is discussed and compared with two calculations on the relative stability of the two structures.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 22: Symposium NY – High Pressure in Science and Technology , 1983 , 13
Copyright
Copyright © Materials Research Society 1984

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References

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