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guolianshun

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We considered a nearly cubic 22 ¡Á 22 ¡Á 1 supercell
(96 atoms) to model B-doped bulk anatase. The optimized bulk
lattice parameters were taken from previous PBE (a ) 3.786 Å
and c ) 9.737 Å44 and B3LYP (a ) 3.776 Å and c ) 9.866
Å calculations.45 Full-geometry optimization was performed
until the largest component of the ionic forces was less than 1
¡Á 10-4 au (PBE) or 5 ¡Á 10-4 au (hybrid functionals).
In order
to identify the presence of both global and local minima, we
have considered various starting points for the optimization by
manually distorting the structure and then letting the system
completely relax. The k-space sampling was restricted to the
¦£-point. The CRYSTAL densities of states (DOS) have been
obtained with a 36 k-points mesh.
For the paramagnetic defects, the hyperfine interactions of
Çë´ó¼Ò¿´¿´Ï»®ÏßÉÏÃæÌ¸µ½µÄÕâ¾ä»°Êǽ²µÄʲô²ÎÊýÉèÖð¡

[ Last edited by guolianshun on 2010-10-8 at 11:14 ]
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cash_ms

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Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
cenwanglai(½ð±Ò+1):лл»Ø¸´£¡ 2010-10-08 12:25:06
ÒýÓûØÌû:
Originally posted by guolianshun at 2010-10-08 11:12:18:
We considered a nearly cubic 22 ¡Á 22 ¡Á 1 supercell
(96 atoms) to model B-doped bulk anatase. The optimized bulk
lattice parameters were taken from previous PBE (a ) 3.786 Å
and c ) ...

auÒ²ÊǵÄÒ»¸öµ¥Î»¡£ÊÇÒ»¸öÔ­×Óµ¥Î»¡£
1au=1 a.u.£¨ÄÜÁ¿£©= 1 Hartree = mee4/((4¦Ð¦Å0)2ħ2) = 27.2114 eV
2Â¥2010-10-08 11:14:51
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fzx2008

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ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¡ï ¡ï
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
ym23(½ð±Ò+1):»¶Ó­³£À´½»Á÷ 2010-10-08 13:56:12
ÒâΪԭ×Óµ¥Î» atomic unit

»­ºáÏߵĵط½ÊÇÖ¸£ºÓÅ»¯Ê±Á¦µÄÊÕÁ²±ê×¼ 1x10-4  Hartree/Bohr  £¨PBEØÍÊÆ£©
3Â¥2010-10-08 13:47:28
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guolianshun

Í­³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
Originally posted by fzx2008 at 2010-10-08 13:47:28:
ÒâΪԭ×Óµ¥Î» atomic unit

»­ºáÏߵĵط½ÊÇÖ¸£ºÓÅ»¯Ê±Á¦µÄÊÕÁ²±ê×¼ 1x10-4  Hartree/Bohr  £¨PBEØÍÊÆ£©

Õâ²»ÉèÖÃÔÚÄǰ¡£¿¿ÉÒÔ¼ÓÄãQQÂð£¿
4Â¥2010-10-08 14:54:15
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