set xtics format "%.0t{/Symbol=12 \267}10^{%T}"
set ytics format "%.1t{/Symbol=12 \264}10^{%T}"
set logscale xy
set size ratio -1
set xrange [1e-2:1e+2]
set yrange [1e-1:1e+2]
set grid 
set term pngcairo enh font "Helvetica,14" size 480,360
set out "loglogformat_10xT.png"
plot 3/x**0.5