Neon: Difference between revisions
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Carl McBride (talk | contribs) (Added critical and triple point data.) |
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| Authors || <math>\epsilon</math> (meV) || <math>\sigma</math> (nm)|| Reference | | Authors || <math>\epsilon</math> (meV) || <math>\sigma</math> (nm)|| Reference | ||
|- | |- | ||
| Herrero || 3. | | Herrero || 3.0840 || 0.2782 || Ref. 2 | ||
|- | |||
| Ramírez and Herrero || 3.2135 || 0.2782 || Ref. 4 | |||
|} | |} | ||
==Phase diagram== | ==Phase diagram== | ||
The [[Phase diagrams |phase diagram]] for [[temperature]]s in the range of 17–50 K and [[pressure]]s between 10<sup>−2</sup> and 2×10<sup>3</sup> bar has been calculated in Ref. 4. The [[critical points |critical point]] was located at <math>T_c =46.7 ~{\mathrm K} </math> and <math>p_c = 27.7 </math> bar (Ref. 4 Table I), and the [[triple point]] at <math>T_{tp} =24.55 ~{\mathrm K} </math> and <math>p_{tp} = 0.315 </math> bar (Ref. 4 Table II). | |||
==References== | ==References== | ||
#[http://dx.doi.org/10.1098/rspa.1925.0012 John Edward Lennard-Jones "On the Atomic Fields of Helium and Neon", Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character '''107''' pp. 157-170 (1925)] | #[http://dx.doi.org/10.1098/rspa.1925.0012 John Edward Lennard-Jones "On the Atomic Fields of Helium and Neon", Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character '''107''' pp. 157-170 (1925)] | ||
#[http://dx.doi.org/10.1103/PhysRevB.65.014112 Carlos P. Herrero "Isotope effects in structural and thermodynamic properties of solid neon", Physical Review B '''65''' 014112 (2001)] | #[http://dx.doi.org/10.1103/PhysRevB.65.014112 Carlos P. Herrero "Isotope effects in structural and thermodynamic properties of solid neon", Physical Review B '''65''' 014112 (2001)] | ||
#[http://dx.doi.org/10.1063/1.2966006 R. Ramírez, C. P. Herrero, A. Antonelli, and E. R. Hernández "Path integral calculation of free energies: Quantum effects on the melting temperature of neon", Journal of Chemical Physics '''129''' 064110 (2008)] | #[http://dx.doi.org/10.1063/1.2966006 R. Ramírez, C. P. Herrero, A. Antonelli, and E. R. Hernández "Path integral calculation of free energies: Quantum effects on the melting temperature of neon", Journal of Chemical Physics '''129''' 064110 (2008)] | ||
#[http://dx.doi.org/10.1063/1.3023036 R. Ramírez and C. P. Herrero "Quantum path-integral study of the phase diagram and isotope effects of neon", Journal of Chemical Physics '''129''' 204502 (2008)] | |||
[[category: models]] | [[category: models]] | ||
Revision as of 14:07, 25 November 2008
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Lennard-Jones parameters
The Lennard-Jones parameters for neon are listed in the following table:
| Authors | (meV) | (nm) | Reference |
| Herrero | 3.0840 | 0.2782 | Ref. 2 |
| Ramírez and Herrero | 3.2135 | 0.2782 | Ref. 4 |
Phase diagram
The phase diagram for temperatures in the range of 17–50 K and pressures between 10−2 and 2×103 bar has been calculated in Ref. 4. The critical point was located at and bar (Ref. 4 Table I), and the triple point at and bar (Ref. 4 Table II).
References
- John Edward Lennard-Jones "On the Atomic Fields of Helium and Neon", Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character 107 pp. 157-170 (1925)
- Carlos P. Herrero "Isotope effects in structural and thermodynamic properties of solid neon", Physical Review B 65 014112 (2001)
- R. Ramírez, C. P. Herrero, A. Antonelli, and E. R. Hernández "Path integral calculation of free energies: Quantum effects on the melting temperature of neon", Journal of Chemical Physics 129 064110 (2008)
- R. Ramírez and C. P. Herrero "Quantum path-integral study of the phase diagram and isotope effects of neon", Journal of Chemical Physics 129 204502 (2008)