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Electrical and Computer Engineering
Aluminum—Anodic oxidation; Metals--Anodic oxidation; Nanotechnology; Thin films
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Modulated Nanopores Using Pulse Anodization On Thin Aluminum, Mahesh Babu Gunukula
Modulated Nanopores Using Pulse Anodization On Thin Aluminum, Mahesh Babu Gunukula
UNLV Theses, Dissertations, Professional Papers, and Capstones
Nanoporous anodic aluminum oxide has traditionally been made in one of two ways: "Mild Anodization (MA)" or "Hard Anodization (HA)". The former method produces self-ordered pore structures but it is slow and only works for a narrow range of processing conditions; the latter method, which is widely used in the aluminum industry, is faster but it produces films with disordered pore structures. Here we report a novel approach termed "pulse anodization" that combines the advantages of the MA and HA processes. By designing the pulse sequences it is possible to control both the composition and pore structure of the anodic …