Wolf, Dietrich; Tang, Lei-Han:

Inhomogeneous growth processes

In: Physical review letters, Jg. 65 (1990) ; Nr. 13, S. 1591-1594
ISSN: 0031-9007
Zeitschriftenaufsatz / Fach: Physik
It is proposed that inhomogeneities in the deposition rate can be a powerful tool for investigating properties
of growing films. The macroscopic shape of the resulting surface deformation is discussed analytically
for the growth equation proposed by Kardar, Parisi, and Zhang [Phys. Rev. Lett. 56, 889 (1986)l.
Computer simulations for a single-step growth model confirm the predictions based on this equation and
give explicit values for its parameters. It is argued that inhomogeneous deposition also provides a new
method for measuring the roughness exponent.