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xiehui0608金蟲 (小有名氣)
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[求助]
求,vasp計(jì)算自旋密度作圖方法,急! 已有1人參與
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| 本人是vasp初學(xué)者,最近在算一個(gè)帶有自旋的體系,想做一下它的自旋密度圖,在網(wǎng)上看了很多,看到有人說用CHGCAR 文件通過VESTA軟件可以做成,但是沒有具體的步驟方法,還是不會做,有哪位高手指點(diǎn)一下,急需要!謝謝! |
金蟲 (正式寫手)
碩士研究生

新蟲 (正式寫手)
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在網(wǎng)上下載chgsplit.pl腳本,將CHGCAR生成CHGCAR_mag以及CHGCAR_tot.直接用VESTA打開CHGCAR_mag,這個(gè)是Alpha-Beta。調(diào)節(jié)VESTA工具欄objects的property里的isosurface。調(diào)節(jié)這個(gè)值顯示的更清楚。懶得傳附件了,chgsplit.pl腳本直接復(fù)制過來. #!/usr/bin/env perl #;-*- Perl -*- @ARGV>=1 || die "usage: chgsplit.pl <CHGCAR> \n"; open (IN1,$ARGV[0]) || die ("Can't open file $!" ;open (OUT,">CHGCAR_tot" ;# read the header of the CHGCAR for ($i=0; $i<6; $i++) { $line1 = <IN1>; $header1 .= $line1; } $atoms1 = <IN1>; $header1 .= $atoms1; @atoms1 = split(/\s+/,$atoms1); $sum1 += $_ for @atoms1; print "Atoms in file: ".$sum1."\n"; for ($i=0; $i<$sum1+2; $i++) { $header1 .= <IN1>; } # start reading the total charge density (spin up plus spin down) part $points1 = <IN1>; $header1 .= $points1; @points1 = split(/\s+/,$points1); $psum1 = 1; for ($i=1; $i<@points1; $i++) { $psum1 *= $points1[$i]; } print "Points in total charge density: ".$psum1."\n"; print OUT $header1; for ($i=0; $i<$psum1/5; $i++) { $line1 = <IN1>; @line1 = split(/\s+/,$line1); printf OUT "%18.11E %18.11E %18.11E %18.11E %18.11E\n",$line1[1],$line1[2],$line1[3],$line1[4],$line1[5]; } close(OUT); # start reading the magnetization density (spin up minus spin down) part open (OUT,">CHGCAR_mag" ;$line1 = <IN1>; while($line1 != $points1){ $line1 = <IN1>; } $points2 = $line1; @points2 = split(/\s+/,$points2); $psum2 = 1; for ($i=1; $i<@points2; $i++) { $psum2 *= $points2[$i]; } print "Points in magnetization density: ".$psum2."\n"; if ($psum1 != $psum2) {die ("Number of points not same in two parts!" ;}print OUT $header1; for ($i=0; $i<$psum1/5; $i++) { $line1 = <IN1>; @line1 = split(/\s+/,$line1); printf OUT "%18.11E %18.11E %18.11E %18.11E %18.11E\n",$line1[1],$line1[2],$line1[3],$line1[4],$line1[5]; } close(OUT); close(IN1); . |
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