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soiu2000

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×î½üÐÂѧpwscf£¬Ïë¼ÆËãZnO GammaµãÉù×Ó¡£µ«ÊÇÔõôËã¶¼ºÍÎÄÏ×ÉϲîºÜÔ¶£¬ÎÒÓеÄÎÄÏ×ÉÏ¿´µ½±ðÈË¿ÉÒÔËãµÄºÜ½Ó½ü¡£²»ÖªµÀÊÇʲôԭÒò¡£»¹Çë¸÷λ¸ßÊÖÖ¸µãÒ»¶þ¡£
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omega(  1 -  1) =        -15.8  [cm-1]   --> A_1             I+R
omega(  2 -  3) =         41.6  [cm-1]   --> E_1             I+R
omega(  4 -  5) =        103.5  [cm-1]   --> E_2             R  
omega(  6 -  6) =        234.2  [cm-1]   --> B_2               
omega(  7 -  8) =        315.2  [cm-1]   --> E_1             I+R
omega(  9 -  9) =        323.1  [cm-1]   --> A_1             I+R
omega( 10 - 11) =        369.1  [cm-1]   --> E_2             R  
omega( 12 - 12) =        493.8  [cm-1]   --> B_2               

¶øÎÄÏ×ÉÏ
omega LO(A1)=574 [cm-1]
omega LO(E1)=583 [cm-1]
omega TO(A1)=380 [cm-1]
omega TO(E1)=407 [cm-1]
omega      (E2)=437 [cm-1]
omega      (E2)=101 [cm-1]
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fzuvivi

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franch(½ð±Ò+2): лл»ØÌû½»Á÷ 2011-10-31 21:27:21
Ê×ÏÈ£¬ÎÒ²»Ã÷°×ÄãµÄpwµÄinÎļþÖÐecutwfcÒªÉèÖÃÕâô¸ß£¬KµãÍø¸ñÓÖÏà¶Ô±È½ÏµÍ£¿phµÄinÎļþÖÐÄãÖ»ËãGammaµã£¬ÎªÊ²Ã´»¹ÒªÐ´qÍø¸ñ£¿»¹ÓУ¬ÄãµÄ½á¹ûÖУ¬ÓÐÒ»µãµãÐ鯵µÄ´æÔÚ£¬Ç°ÃæµÄrelaxÍêÈ«ÁËÂð£¿

×îºó£¬ÎÒÏëÎÊÄãÏ£¬ÄãÓÃpwscf 4.3.1µÄ²¢ÐÐЧÂÊÕâôÑù£¿ÎÒ×Ô¼º×î½üÒ²¸Õ×°4.3.1 Ôõô¸Ð¾õ²¢ÐÐЧÂʺܵͰ¡¡£CPUʹÓÃÂʶ¼Ö»ÓÐ40%×óÓÒ¡£ÄãµÄÄØ£¿
3Â¥2011-10-28 18:54:28
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ridge8888

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

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franch(½ð±Ò+2): лл»ØÌû½»Á÷ 2011-10-31 21:27:34
&electrons
    conv_thr =  1.0d-10
    mixing_beta = 0.7
    electron_maxstep=200
/
ATOMIC_SPECIES
O  15.999  O.pz-van_ak.UPF
Zn 65.39  Zn.pz-van_ak.UPF
ATOMIC_POSITIONS {crystal}
Zn       0.000000000   0.000000000  -0.000969838
Zn       0.666666667   0.333333333   0.499030162
O        0.000000000   0.000000000   0.378963856
O        0.666666667   0.333333333   0.878963856



ATOMIC_SPECIES ºÍ ATOMIC_POSITIONS {crystal}ÖеÄÔ­×ÓµÄ˳Ðò£¬µßµ¹ÁË¡£ÊÇ·ñ¿ÉÒԵߵ¹ÄØ£¿
2Â¥2011-10-28 14:43:10
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huazhorg

Ìú¸Ëľ³æ (ÕýʽдÊÖ)

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franch(½ð±Ò+2): лл»ØÌû½»Á÷ 2011-10-31 21:27:57
ÒýÓûØÌû:
1Â¥: Originally posted by soiu2000 at 2011-10-28 13:59:38:
×î½üÐÂѧpwscf£¬Ïë¼ÆËãZnO GammaµãÉù×Ó¡£µ«ÊÇÔõôËã¶¼ºÍÎÄÏ×ÉϲîºÜÔ¶£¬ÎÒÓеÄÎÄÏ×ÉÏ¿´µ½±ðÈË¿ÉÒÔËãµÄºÜ½Ó½ü¡£²»ÖªµÀÊÇʲôԭÒò¡£»¹Çë¸÷λ¸ßÊÖÖ¸µãÒ»¶þ¡£
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omega(  1 -  1) =        -15.8  [cm ...

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4Â¥2011-10-31 19:24:27
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huazhorg

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¡ï ¡ï
franch(½ð±Ò+2): лл»ØÌû½»Á÷ 2011-10-31 21:28:08
ÒýÓûØÌû:
3Â¥: Originally posted by fzuvivi at 2011-10-28 18:54:28:
Ê×ÏÈ£¬ÎÒ²»Ã÷°×ÄãµÄpwµÄinÎļþÖÐecutwfcÒªÉèÖÃÕâô¸ß£¬KµãÍø¸ñÓÖÏà¶Ô±È½ÏµÍ£¿phµÄinÎļþÖÐÄãÖ»ËãGammaµã£¬ÎªÊ²Ã´»¹ÒªÐ´qÍø¸ñ£¿»¹ÓУ¬ÄãµÄ½á¹ûÖУ¬ÓÐÒ»µãµãÐ鯵µÄ´æÔÚ£¬Ç°ÃæµÄrelaxÍêÈ«ÁËÂð£¿

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5Â¥2011-10-31 19:25:56
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