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Originally posted by xwyan at 2009-11-14 23:02:
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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.
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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.
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