4.6 Article

Anomalous Scaling in Amorphous PdNiP Films Electrodeposition

Journal

JOURNAL OF THE ELECTROCHEMICAL SOCIETY
Volume 155, Issue 12, Pages D731-D733

Publisher

ELECTROCHEMICAL SOC INC
DOI: 10.1149/1.2981040

Keywords

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Funding

  1. National Natural Science Foundation of China [50425102, 50601021, 50701038, 60776014]
  2. Zhejiang University-Helmholtz cooperation fund
  3. Ministry of Education of China
  4. Department of Science and Technology of Zhejiang province
  5. Disciplinary Development Fund
  6. Zhejiang University

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Kinetic surface roughening of electrodeposited amorphous PdNiP films has been investigated by atomic force microscopy combined with electrochemical techniques. Interface width w(l,t) of the films obeys anomalous scaling ansatz w(l,t)approximate to l(H)t(loc)(beta)f(t/l(z)), with H=0.60 +/- 0.06, beta(loc)=0.47 +/- 0.03, and beta=0.19 +/- 0.03. These results suggest that kinetic roughening of PdNiP films could be controlled by two factors, large overpotential and diffusion instability. (C) 2008 The Electrochemical Society. [DOI: 10.1149/1.2981040] All rights reserved.

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