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Type: Artigo de periódico
Title: Piezoelectric coefficients of mNA organic nonlinear optical material using synchrotron X-ray multiple diffraction
Author: Avanci, LH
Cardoso, LP
Girdwood, SE
Pugh, D
Sherwood, JN
Roberts, KJ
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. [S0031-9007(98)07912-5].
Country: EUA
Editor: American Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevLett.81.5426
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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