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gavinliu7390(½ð±Ò+1):лл½»Á÷£¡ 2010-04-25 23:28
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Ëãenergy µÄʱºò°Ñ STM Ñ¡ÏîÑ¡ÉϾÍÐÐÁË£¬£¬£¬ |

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a1597916(½ð±Ò+1): 2010-04-26 00:52
zzy870720z(½ð±Ò+1): ллָ½Ì 2011-09-03 17:22:25
a1597916(½ð±Ò+1): 2010-04-26 00:52
zzy870720z(½ð±Ò+1): ллָ½Ì 2011-09-03 17:22:25
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3Â¥2010-04-25 20:57:34
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zzy870720z(½ð±Ò+1): ллÌáʾ 2011-09-03 17:22:35
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zzy870720z(½ð±Ò+1): ллÌáʾ 2011-09-03 17:22:35
| energy°Ñ STM Ñ¡ÏîÑ¡ÉϾÍokÁË |

4Â¥2010-04-26 08:33:18
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5Â¥2011-09-03 14:42:59
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zzy870720z(½ð±Ò+2): ллָ½Ì 2011-09-03 17:22:53
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zzy870720z(½ð±Ò+2): ллָ½Ì 2011-09-03 17:22:53
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²ÉÓÃVASP½øÐÐSTMµÄ¼ÆËã²½Ö裺 It works like this: 1) Relax. 2) Calculate CHGCAR and W***ECAR for the relaxed structure. 3) Generate PARCHG - partial density charge using the CHGCAR and W***ECAR. PARCHG has the same format as CHGCAR. It is a density for a certain energy range. It is calculated by setting LPARD=.TRUE. The decisive parameters are NBMOD and EINT. If NBMOD=-3 (the most sensible setting), then EINT contains an energy interval with respect to Fermi energy, for which the partial density will be evaluated. For more details, see the pardens.F file. Thus, the typical setup for generating PARCHG for STM is: LPARD=.TRUE. NBMOD=-3 EINT=-0.1 0.1 (plus other standart INCAR settings) As soon as you have PARCHG, you can calculate the STM images either by showing one plane of the PARCHG (constant distance mode) or showing some isosurface (constant current mode). In our group an utility th_stm was used together with the data explorer (www.opendx.org). However - I just finished working on the STM applet for p4vasp |
6Â¥2011-09-03 15:55:59













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