期刊
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS
卷 40, 期 11B, 页码 L1217-L1219出版社
INST PURE APPLIED PHYSICS
DOI: 10.1143/JJAP.40.L1217
关键词
photonic crystal; photonic band gap; anodic porous alumina; self-organization; transmission spectra
The two-dimensional (2D) photonic band gap was observed in naturally formed anodic porous alumina. Anodizing of Al under appropriate conditions yielded the anodic porous alumina which had an ordered air-hole array with a multidomain triangular lattice. The transmission spectra of the multidomain triangular air-hole lattice of the anodic porous alumina showed a clear dip in transmission that corresponded to the 2D photonic band gap. The band gap properties of the polycrystalline-type air-hole lattice could be interpreted as being the sum of those for the single-crystalline-type air-hole arrays of anodic porous alumina prepared by an artificial process.
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