Porous silicon microtube structures induced by anisotropic strain

S. H. Xu, L. W. Wang

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

The porous silicon tube structures, with a diameter of 20 μm, were formed by pulsed anodization process. A phenomenological mechanical model was used to explain the formation mechanism. The agreement between the experimental data and theoretical results indicated that the stresses in parallel and perpendicular directions of the nanocolumnar structure may cause the crack and curve of the porous silicon layer to form the tube structures.

Original languageEnglish
Article number073516
JournalJournal of Applied Physics
Volume106
Issue number7
DOIs
StatePublished - 2009

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