Scale-dependent roughening kinetics in vapor deposited gold

SURFACE SCIENCE

卷:345

Article

Vazquez, L ; Salvarezza, RC ; Herrasti, P ; Ocon, P ; Vara, JM ; Arvia, AJ

关键词: computer simulations;    gold;    metallic films;    scanning tunneling microscopy;    surface roughening;   

DOI  :  10.1016/0039-6028(95)00867-5

来源: Elsevier

【 摘 要 】

The roughening kinetics of gold deposits grown from vapor was studied by scanning tunneling microscopy. The dynamic scaling yielded the following growth exponents alpha(I) = 0.90 +/- 0.06 and beta(I) = 0.25 +/- 0.06 for L(s) < d(s), and alpha(II) = 0.37 +/- 0.05 and beta(II) = 0.45 +/- 0.06 for L(s) > d(s), where L(s) is the scan length and d(s) is the average diameter of columns. The scaling properties of the domain-dependent-surface roughness exponents allowed us to give the rationale for experimental data on the fractal behavior of thin metal films.

【 授权许可】

Free