Abstract
We probed the mean diffusion length and the growth rate of length, width and height of tetrathiafulvalene-tetracyanoquinodimethane (TTF-TCNQ) on three kinds of alkali halide substrates, NaCl, KBr and KCl, by means of atomic force microscopy (AFM). The diffusion length is up to the substrates. The growth rate of height for TTF-TCNQ on KCl is much smaller than those on NaCl and KBr. Monte Carlo simulation well explains the experimental results qualitatively.