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Dear All,<BR> <BR> I want to generate Fermi surfaces with Fermi velocities shading like FIG. 5 of "PRL 107, 277002 (2011)". But now I can just plot surfaces by XCRYSDEN which maybe unable to do this. How chould I get the Fermi velocities?<BR><div>Could anyone give me any suggestion?<br></div><div>Thanks for your help!</div><div>Li Bin </div>                                            </div></body>
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