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4Â¥2016-04-07 21:57:03
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2Â¥2016-04-06 22:30:17
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3Â¥2016-04-07 14:32:21
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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 = = ÒÔÏÂÊÇGALE ½ÌÊÚ¸øÎÒµÄÓʼþ£¬Çó¸ßÈ˵㲦ÍÛ£º 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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