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ÇóÖú£º VASP Relaxation & Band structure calculation of alpha-Al2O3 ÒÑÓÐ2È˲ÎÓë
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ÕýÔÚѧϰ½¨Ä££¬ÓÃVASP½øÐнṹrelaxationºÍband structureµÄ¼ÆËã¡£ÎÒ½«Ï¡ÍÁÔªËØ£¨Nd£¬Er)·Ö²¼²ôÈëalpha-Al2O3µÄ¿Õ϶ÖУ¬½á¹ûÊÕÁ²µÃºÜ²»ºÃ£¨ÏÂÃæµÄÄ£ÐÍÊÇÎÒ×öµÄ×îºÃµÄ½á¹ûÁË£©£¬Çë´óÏÀ¸øÓ轨Ò飬ÈçºÎ¸Ä½ø¡£ ÁíÍ⣬ÊÔͼ¼ÆËãµç×ӽṹ£¨°üÀ¨DOSºÍÄÜ´ø½á¹¹£©£¬²»ÖªµÀÈçºÎ×ö£¬Çë¸øÓèÏêϸµÄ½âÊÍ¡£²»Ê¤¸Ð¼¤¡£ ÎÒµÄINCARÈçÏ System = Al12O18Nd ISMEAR = 0 ! Use 0 for KPOINTS less than 4 otherwise -5. PREC = Accurate ! low, medium, normal are other options. Use suitable one. ENCUT = 600 eV ! Decide considering the crystal size and accuracy you want. EDIFF = 1.0E-5 ! Enegy difference covergence limit for electronic optimization. EDIFFG = -1.0E-3 ! Enegy difference covergence limit for ionic optimization. IBRION = 2 ! 0 for MD, 1 best, 2 for diff relaxation problems. Othere numbers for diffrent cases. NSW = 1000 ! Total number of ionic steps. ISIF = 3 ! 2 and 4 ionic, 7 volume and 3 both. LREAL = Auto ! Projection on real space. use FALSE (default) for reciprocal space. NPAR = 4 ! Best sqrt of NCPUs used. should be >= NCPUs/32. ALGO = Fast ! default is Normal. ++++++++++++++++++++++++++++++++++++++++++++++++ ÓÃgrep E0 OSZICARµÃµ½ÈçϽá¹û 1 F= -.22657211E+03 E0= -.22637830E+03 d E =-.226572E+03 2 F= -.22643608E+03 E0= -.22624023E+03 d E =0.136036E+00 3 F= -.22643396E+03 E0= -.22623968E+03 d E =0.138149E+00 4 F= -.22649364E+03 E0= -.22629965E+03 d E =0.784727E-01 5 F= -.22651988E+03 E0= -.22632516E+03 d E =0.522362E-01 6 F= -.22651796E+03 E0= -.22632327E+03 d E =0.541501E-01 7 F= -.22656292E+03 E0= -.22637028E+03 d E =-.449578E-01 8 F= -.22657929E+03 E0= -.22638289E+03 d E =-.613257E-01 9 F= -.22658334E+03 E0= -.22638786E+03 d E =-.405303E-02 10 F= -.22660753E+03 E0= -.22641141E+03 d E =-.282378E-01 11 F= -.22651116E+03 E0= -.22631442E+03 d E =0.963654E-01 12 F= -.22655311E+03 E0= -.22635636E+03 d E =0.544181E-01 13 F= -.22652968E+03 E0= -.22633326E+03 d E =0.778444E-01 14 F= -.22654235E+03 E0= -.22634586E+03 d E =-.126660E-01 15 F= -.22655874E+03 E0= -.22636264E+03 d E =-.290588E-01 16 F= -.22646476E+03 E0= -.22625910E+03 d E =0.939837E-01 17 F= -.22650256E+03 E0= -.22629580E+03 d E =0.561816E-01 18 F= -.22648921E+03 E0= -.22628608E+03 d E =0.695343E-01 19 F= -.22645195E+03 E0= -.22625323E+03 d E =0.106795E+00 20 F= -.22644833E+03 E0= -.22625366E+03 d E =0.110412E+00 21 F= -.22655066E+03 E0= -.22635187E+03 d E =0.807837E-02 22 F= -.22655919E+03 E0= -.22636233E+03 d E =-.448879E-03 23 F= -.22655441E+03 E0= -.22635730E+03 d E =0.433572E-02 24 F= -.22655623E+03 E0= -.22635913E+03 d E =0.250788E-02 25 F= -.22655690E+03 E0= -.22636003E+03 d E =0.184416E-02 26 F= -.22655513E+03 E0= -.22635853E+03 d E =0.361137E-02 27 F= -.22655583E+03 E0= -.22635889E+03 d E =0.291569E-02 28 F= -.22655755E+03 E0= -.22636045E+03 d E =0.119494E-02 29 F= -.22655605E+03 E0= -.22635897E+03 d E =0.269185E-02 30 F= -.22655354E+03 E0= -.22635651E+03 d E =0.519719E-02 31 F= -.22655527E+03 E0= -.22635896E+03 d E =0.346698E-02 32 F= -.22655615E+03 E0= -.22635914E+03 d E =0.259426E-02 33 F= -.22655440E+03 E0= -.22635778E+03 d E =0.433895E-02 34 F= -.22656165E+03 E0= -.22636538E+03 d E =-.291174E-02 Èç¹û×örelaxation£¬INCAR Ó¦¸ÃÈçºÎ¸Ä½ø£¿ÆäËû½¨Ò鲻ʤ¸Ð¼¤¡£ Èç¹û×öµç×ӽṹ¼ÆË㣬INCARÓ¦¸ÃÈçºÎ¸Ä¶¯£¿ÆäËû½¨Ò鲻ʤ¸Ð¼¤¡£ Èç¹ûÓÐÏà¹ØµÄµç×ÓÊé»òÁ´½Ó£¬Çë²»Áß·ÖÏí¡£ |
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Too Small Band Gap of Silicon (~0.65 eV) Calculated by VASP
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liliangfang: ½ð±Ò+1, лл½»Á÷ 2015-02-15 07:49:23
klwang: ½ð±Ò+15, ¡ï¡ï¡ïºÜÓаïÖú, лл£¡ÇëÎÊDOS ¼ÆËãÓÐÈκν¨ÒéÂð£¿ÐÂÊÖ£¬Çë¶àÖ¸½Ì¡£Èç¹ûÓвÙ×÷²½ÖèÏêϸ½éÉܽ«²»Ê¤¸Ð¼¤¡£ÎÒËѵ½Ò»¸ö°æ±¾½éÉÜÈçºÎËãDOS£¬µ«ÊǺܶಽÖè²»ÊìϤ£¬²»ÊǺÜÇå³þÈçºÎ×ö¡£±ÈÈçÏÈ×ö×ÔÇ¢£¬È»ºóËãBAND STRUCTUE. 2015-02-02 22:56:48
liliangfang: ½ð±Ò+1, лл½»Á÷ 2015-02-15 07:49:23
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klwang: ½ð±Ò+20, ¡ï¡ï¡ïºÜÓаïÖú 2015-02-16 00:48:27
liliangfang: ½ð±Ò+1, лл½»Á÷ 2015-02-15 07:49:28
klwang: ½ð±Ò+20, ¡ï¡ï¡ïºÜÓаïÖú 2015-02-16 00:48:27
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