H Horner and H Wagner 1974 J. Phys. C: Solid State Phys. 7 3305 doi:10.1088/0022-3719/7/18/014
H Horner and H Wagner
Show affiliationsThe 'gas-liquid' ( alpha - alpha ') part of the phase diagram of hydrogen dissolved in metals is calculated and compared with experiments for H in Nb. The underlying lattice model includes a hard-core repulsion protons and an elastic interaction mediated by the host metal lattice. The long-range part of this interaction is treated in mean-field approximation. Low-density cluster expansions and Monte Carlo calculations are investigated for the hard-core repulsion and the microscopic part of the elastic interaction. Reasonable agreement with experimental data is obtained if the microscopic contribution of the elastic interaction is properly taken into account.
64.70.F- Liquid–vapor transitions
65.40.G- Other thermodynamical quantities
Issue 18 (21 September 1974)
H Horner and H Wagner 1974 J. Phys. C: Solid State Phys. 7 3305
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