Optical measurement of the converse piezoelectric d33 coefficients of bulk and microtubular zinc oxide crystals

John Y. Fu, Paris Y. Liu, Jiping Cheng, Amar S. Bhalla, Ruyan Guo

Research output: Contribution to journalArticle

22 Scopus citations

Abstract

Zinc oxide (ZnO) crystal is a semiconductor material; the direct measurement and the interpretation of its piezoelectric coefficients are challenging. In this letter, the authors investigate the piezoelectric properties (d33 coefficient) of a bulk ZnO sample by measuring its converse piezoelectric effect using an optical method. The experimental data agree with recent theoretical calculations. The piezoelectric properties of a ZnO hexagonal microtube, which has a highly symmetrical hexagonal tubular structure, are also studied. The results demonstrate that the microtubular ZnO has significantly different piezoelectric properties from that of ZnO bulk crystal, especially under the applied electric fields of low frequencies.

Original languageEnglish (US)
Article number212907
JournalApplied Physics Letters
Volume90
Issue number21
DOIs
StatePublished - Jun 1 2007

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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