VASP入门到精通:[16]wannier与vasp实例
1、这一节以Si为例来介绍使用wannier软件结合vasp的使用方法
![VASP入门到精通:[16]wannier与vasp实例](https://exp-picture.cdn.bcebos.com/d695563104ebf6a7f35a999fffee1c324a184fe9.jpg)
![VASP入门到精通:[16]wannier与vasp实例](https://exp-picture.cdn.bcebos.com/75af02324b18512c3ea4c313ad334884cce349e9.jpg)
2、首先要做常规的vasp计算:优化,静态计算
第一步:基态的优化计算,INCAR如下
![VASP入门到精通:[16]wannier与vasp实例](https://exp-picture.cdn.bcebos.com/8db0c6a7263348847bb65098ddee7b7f870e45e9.jpg)
3、其中K点和POSCAR如下:
![VASP入门到精通:[16]wannier与vasp实例](https://exp-picture.cdn.bcebos.com/57af657f860e7c7559a1e741650d3aceabd7bfe9.jpg)
4、第二步:得到DFT virtual orbital
To obtain a WAVECAR file with a reasonable number of virtual orbitals (50-100 per atom) we need to restart from the previous groundstate calculation with ALGO=Exact, and manually set the number of bands by means of the NBANDS-tag. To obtain the corresponding WAVEDER file we additionally specify LOPTICS=.TRUE.
![VASP入门到精通:[16]wannier与vasp实例](https://exp-picture.cdn.bcebos.com/3b8fb4d7726b0ce2a6b22fbbef781423bfb9b6e9.jpg)
5、第三步:结合wannier计算:
INCAR如下,#后面是注释哦,可以不要的
![VASP入门到精通:[16]wannier与vasp实例](https://exp-picture.cdn.bcebos.com/bff8683e21c2bbd62a85765c116186254093aee9.jpg)
6、接下来是wannier部分:
Use the wannier90.win file given below which contains all instructions needed to generate the necessary input files for the WANNIER90 runs (wannier90.amn, wannier90.mmn, wannier90.eig).
下面3个图写在一个文件里:
![VASP入门到精通:[16]wannier与vasp实例](https://exp-picture.cdn.bcebos.com/9b2098254193cee861514faf5a0ff2260c9aa8e9.jpg)
![VASP入门到精通:[16]wannier与vasp实例](https://exp-picture.cdn.bcebos.com/555acf0ff2260d9ae75b0c2d622abab84340a5e9.jpg)
![VASP入门到精通:[16]wannier与vasp实例](https://exp-picture.cdn.bcebos.com/e86ba4b842406afe1f41ea711eee41c1b6279fe9.jpg)
7、最后一步:计算wannier函数
![VASP入门到精通:[16]wannier与vasp实例](https://exp-picture.cdn.bcebos.com/b666b2530688912c419fc75c1b4800fc76f797e9.jpg)
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