Artículo
Taylor, M.B.; Barrera, G.D.; Allan, N.L.; Barron, T.H.K. "Free-energy derivatives and structure optimization within quasiharmonic lattice dynamics" (1997) Physical Review B - Condensed Matter and Materials Physics. 56(22):14380-14390
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Abstract:
A method is presented for the calculation of the gradient of the free energy with respect to all the internal and external degrees of freedom of a periodic crystal. This gradient can be used in conjunction with a static-energy Hessian for efficient geometrical optimization of systems with large unit cells. The free energy is calculated using lattice statics and lattice dynamics in the quasiharmonic approximation, and its derivatives by means of first-order perturbation theory. In the present application of the method, particles are assumed to interact via arbitrary short-ranged spherically-symmetric pair potentials and long-ranged Coulomb forces, and polarizability effects are accounted for by use of the shell model. The method can be used directly as the basis for a computer program which makes efficient use of both storage and CPU time, especially for large unit cells. Detailed expressions for all the lattice sums are presented.
Registro:
| Documento: | Artículo |
| Título: | Free-energy derivatives and structure optimization within quasiharmonic lattice dynamics |
| Autor: | Taylor, M.B.; Barrera, G.D.; Allan, N.L.; Barron, T.H.K. |
| Filiación: | School of Chemistry, University of Bristol, Cantock's Close, Bristol BS8 1TS, United Kingdom Universidad de Buenos Aires, Fac. de Ciencias Exactas y Naturales, Ciudad Universitaria, Pabellón 2, 1428 Buenos Aires, Argentina |
| Idioma: | Inglés |
| Año: | 1997 |
| Volumen: | 56 |
| Número: | 22 |
| Página de inicio: | 14380 |
| Página de fin: | 14390 |
| Título revista: | Physical Review B - Condensed Matter and Materials Physics |
| Título revista abreviado: | Phys. Rev. B Condens. Matter Mater. Phys. |
| ISSN: | 01631829 |
| CODEN: | PRBMD |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01631829_v56_n22_p14380_Taylor |
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- Taylor, M.B., Barrera, G.D., Allan, N.L., Barron, T.H.K., Mackrodt, W.C., unpublishedTaylor, M.B., Barrera, G.D., Allan, N.L., Barron, T.H.K., Mackrodt, W.C., Farad. Discuss., , to be published
Citas:
---------- APA ----------
Taylor, M.B., Barrera, G.D., Allan, N.L. & Barron, T.H.K. (1997) . Free-energy derivatives and structure optimization within quasiharmonic lattice dynamics. Physical Review B - Condensed Matter and Materials Physics, 56(22), 14380-14390.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01631829_v56_n22_p14380_Taylor [ ]
---------- CHICAGO ----------
Taylor, M.B., Barrera, G.D., Allan, N.L., Barron, T.H.K. "Free-energy derivatives and structure optimization within quasiharmonic lattice dynamics" . Physical Review B - Condensed Matter and Materials Physics 56, no. 22 (1997) : 14380-14390.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01631829_v56_n22_p14380_Taylor [ ]
---------- MLA ----------
Taylor, M.B., Barrera, G.D., Allan, N.L., Barron, T.H.K. "Free-energy derivatives and structure optimization within quasiharmonic lattice dynamics" . Physical Review B - Condensed Matter and Materials Physics, vol. 56, no. 22, 1997, pp. 14380-14390.Recuperado de https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01631829_v56_n22_p14380_Taylor [ ]
---------- VANCOUVER ----------
Taylor, M.B., Barrera, G.D., Allan, N.L., Barron, T.H.K. Free-energy derivatives and structure optimization within quasiharmonic lattice dynamics. Phys. Rev. B Condens. Matter Mater. Phys. 1997;56(22):14380-14390.Available from: https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01631829_v56_n22_p14380_Taylor [ ]
