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xwyan

新虫 (正式写手)

[交流] 【求助】vasp 如何进行fermi surface的计算,计算完成后用什么软件查看和画图?

1.vasp 如何进行fermi surface的计算?
2计算完成后用什么软件查看和画图?
刚学vasp,在手册上没有看到,请各位多多指教,十分感谢!!
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漂泊四方

金虫 (小有名气)


小木虫(金币+0.5):给个红包,谢谢回帖交流
引用回帖:
Originally posted by xwyan at 2009-11-14 23:02:
十分感谢您的回复,
vesta vaspview 直接查看EIGENVAL 就可以得到fermi surface 吗??
再指点指点,十分感谢

http://cms.mpi.univie.ac.at/vasp-forum/forum_viewtopic.php?4.4801

Registered Member #1843
Joined Tue Oct 09 2007, 01:07AM
posts 10
Dear VASP users,

I would like to compute and draw fermi surface of various materials using VASP code. I think information needed to draw fermi surface is in the wavecar file. Dose anyone tell me how to compute fermi surface from wavecar file?
Any comments and advice will be greatly appriciated.

Thanks in advance.  
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admin   Tue Sep 23 2008, 11:54AM   


posts 1666
you need a dense k-grid to interpolate the Fermi surface from the EIGENVAL file. WAVECAR is not required for that putpose.  
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Kitaura   Tue Sep 23 2008, 04:01PM   





Registered Member #1843
Joined: Tue Oct 09 2007, 01:07AM
posts 10
Dear admin,

Thank you very much for your quick reply.

I usually use EIGENVAL file to draw band structure, and I didn't know how to visualize fermi surface from EIGENVAL file. So, please tell me how to visualize fermi surface from the file. (how to visualize a sphere in the case of alkali metal, for example.)

Thanks in advance.  
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lcyin   Fri Sep 18 2009, 02:44PM   


Registered Member #109
Joined: Fri Mar 18 2005, 08:07AM
posts 29
Hi Kitaura,
I think what you want to do is to plot the isosurface of the electron charge density, is that right?
If so, you can check the Band decompose charge section of the VASP Manual.
我与我纠缠久
8楼2009-11-16 10:06:54
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xwyan

新虫 (正式写手)

请各位给点建议,多谢了

请各位不吝赐教,多谢了
事了拂衣去,千里不留行
2楼2009-11-03 21:18:11
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xwyan

新虫 (正式写手)

请各位不吝赐教,多谢了

请各位不吝赐教,多谢了
给点建议也可,VASP forum上说在计算能带的时候增加k点密度,
然后怎么办呢???
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3楼2009-11-05 20:41:21
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wuchenwf

荣誉版主 (职业作家)

可以自己编写一个程序,应该不难的
4楼2009-11-05 23:28:27
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