Morphology cleaned surface

As established by a large number of authors, the impedance of soKd electrodes in the absence of faradaic processes usually deviates from pure capacitive behavior. Only for smooth and clean surfaces like that of liquid mercury, a pure capacitance can be used to describe the impedance behavior (Fig. 13, curve a). The deviation from ideahty has frequently been attributed to surface roughness or porosity. In the case of rough electrodes, the impedance behavior is usually approximated using a CPE (see Eq. 46) with 0.5 < 0 < 1. Several attempts have been made to derive a relationship between the CPE and a fractal surface morphology [17, 18]. However, the relationships between... 

A. Peterlin and K. Sakaoku, Surface Morphology of Cold Drawn Polyethylene, Clean Surfaces, Ed. by G. Goldfinger, M. Dekker, Inc., New York 1970, p. I-II+. 

Haze (cleaning) Surface morphology that gives diffuse reflection from an otherwise smooth (specular) surface. Example Haze on a float glass surface from a residue of tin oxide. 

Ciston J, Subramanian A, Kienzle D, Marks LD (2010) Why the case for clean surfaces does not hold water structure and morphology of hydroxylated nickel oxide (111). Surf Sci 604 (2) 155-164... 

Fig. 36. Pari of a Morphology Catalog illustrating the unacceptable morphologies resulting from incorrect surface treatment (a) Turco alkaline clean with no FPL etch, and (b) Amchem deoxidizer with no FPL etch [169. ...

Virtually all subsequent surface science-related studies on Fe oxide films have been performed using the Pt(l 1 1) surface as a metallic substrate. The established preparation procedure for well-ordered Fe oxide films on Pt(l 11) involves PVDof Fe in 1-2 M L quantities onto clean Pt(l 11), followed by annealing in oxygen at elevated temperature this process can be repeated until oxide layers of the desired thickness have been formed. The preparation of Fe oxides on Pt(l 1 1) and the morphology of the resulting films as a function of the preparation parameters as well as the properties of Fe oxides in relation to catalysis have been comprehensively reviewed by Weiss and Ranke [106]. 

---