The Role of Stress in the Self-Organized Growth of Porous Anodic Alumina
Source abstract
Abstract
Ridges and depressions were formed on the barrier layer during chemical and physical etching of porous anodic alumina (PAA) from the bottom side, indicating nonuniform etching rate around each cell. These behaviors cannot be explained solely by the well-known composition variation, but were in line with the hexagonal distribution of stress within the barrier layer of each cell. Such stress variation should be attributed to the interactions of neighboring cells undergoing volume expansion. These interactions could account for the self-organization of PAA.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Anodic Oxide Films and Nanostructures · Smart Materials for Construction · Advanced ceramic materials synthesis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Department of Electronic Materials Science and Engineering, South China University of Technology, Guangzhou 510640, P. R. China
Funding
Ministry of Education of the People's Republic of China
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