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2Â¥: Originally posted by gs184142 at 2016-04-06 22:30:17
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ÎÒÒ²ÁªÏµÁËGULP Èí¼þµÄ×÷Õߣ¬°Ä´óÀûÑÇ¿ÆÍ¢´óѧµÄJulian GALE ½ÌÊÚ£¬Ëû½¨ÒéÎÒÓÃVASPÏÈ×ö³öдÊý¾Ý£¬È»ºóÀûÓÃÕâЩÊý¾ÝÔÚGULPÀï½øÐÐÄâºÏ¡£¡£¡£µ«ÊÇÎÒ¿´²»¶®Ëû¸øµÄ·½·¨£¬ ÒòΪÊÇ´¿VASP ºÍGULPÐÂÊÖ = =
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To fit the potentials in GULP using data from VASP you can use several types of information:
a) The optimised structure - this can be fitted as the point where the forces are zero.
b) Energy vs structure (or even forces vs structure) - here you distort the bulk structure and calculate the energy/forces. The energetics of distortions
can be fitted.
c) Other structures - you can run DFT calculations on other, totally different, structures for Cu-S & then fit these structures & their relative energies.
d) Bulk properties - things like elastic constants or bulk modulus computed from VASP can be used as observables for fitting.
5Â¥2016-04-07 21:58:46
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