Piezoelectric coefficients of mNA organic nonlinear optical material using synchrotron X-ray multiple diffraction

L. H. Avanci, L. P. Cardoso, S. E. Girdwood, D. Pugh, J. N. Sherwood, K. J. Roberts

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Abstract

Distortions produced in the unit cell of a nonlinear organic crystal under the influence of an applied electric field E are investigated by using synchrotron x-ray multiple diffraction (MD). A typical MD pattern shows numerous (hkl) secondary peaks and the position of each one is basically a function of the unit cell lattice parameters. Thus small changes in any parameter due to a strain produced by E give rise to a corresponding variation in the (hkl) peak position. The method was applied to the meta-nitroaniline (mNA) crystal and we were able to determine three piezoelectric coefficients.

Original languageEnglish
Pages (from-to)5426-5429
Number of pages4
JournalPhysical Review Letters
Volume81
Issue number24
Publication statusPublished - 14 Dec 1998

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    Avanci, L. H., Cardoso, L. P., Girdwood, S. E., Pugh, D., Sherwood, J. N., & Roberts, K. J. (1998). Piezoelectric coefficients of mNA organic nonlinear optical material using synchrotron X-ray multiple diffraction. Physical Review Letters, 81(24), 5426-5429.