Band structures and DOS of graphene

set term postscript eps enhanced

set output 'grp.bandNdos.eps'

set multiplot

xmin=0.0 ; xmax=2.1294

ymin=-20 ; ymax=5

K1=xmin ; G = 0.899973;M=1.679372;K2=xmax

set nokey

set title "                  Band structure and DOS of graphene"

set size 0.4,0.5

set rmargin 0

set xrange [xmin:xmax]

set yrange [ymin:ymax]

set arrow from G, ymin to  G,ymax nohead lt 5 lw 1

set arrow from M, ymin to  M,ymax nohead lt 5 lw 1

set ylabel 'E - E_F (eV)'

set xtics ('K' K1,'{/Symbol G}' G, 'M' M,'K' K2)

set ytics ymin,4,ymax font 'Helvetica, 12'

plot 'grp.bands.dat' u 1:2 w l lt 1 lw 2

set title " "

set origin 0.4,0

set lmargin 0.5

set size 0.12,0.5

set yr[-20:5]

set xr[0:0.65]

set noarrow

set ytics (' '-16,' '-12, ' '-8, ' '-4,' ' 0,' '4)

set ytics nomirror

set xtics ( " " 0)

set noylabel

p  'grp.DOS' u 2:($1+5.0) w l lw 2