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|Type:||Artigo de periódico|
|Title:||Piezoelectric coefficients of L-arginine hydrochloride monohydrate obtained by X-ray multiple diffraction using synchrotron radiation|
dos Santos, AO
|Abstract:||In this paper, a very useful development to improve the application of a method based on the multiple- diffraction technique to determine the piezoelectric coefficients of crystals is described. The idea is to choose any specific crystallographic direction ( plane) through the secondary peaks in the Renninger scan instead of those directions related to the electric field by the piezoelectric tensor. For a set of multiple- diffraction planes, it is possible to obtain an equation system based on the ordinary peak position for each H secondary plane that appears in the Renninger scan. This useful development was successfully applied to the amino acid l- arginine hydrochloride monohydrate in order to provide the d(21), d(22), d(23) and d(25) piezoelectric coefficients by applying the electric field along the [ 010] crystallographic direction.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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