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Revista mexicana de física
versión impresa ISSN 0035-001X
Resumen
SANCHEZ-PASTENES, E. y REYES-GASGA, J.. Determination of the point and space groups for hydroxyapatite by computer simulation of CBED electron diffraction patterns. Rev. mex. fis. [online]. 2005, vol.51, n.5, pp.525-529. ISSN 0035-001X.
The structure of natural hydroxyapatite nHAP (i.e. the hydroxyapatite found in teeth and bones) has not been completely characterized experimentally until now. This involves the study of the structural characteristics of synthetic hydroxyapatite sHAP (i.e. one whose stoichiometric formula is Ca10 (PO4)6 (OH)2) using many techniques, in particular electron diffraction computer simulation. Thus, any variation presented in its structure will be easily detected. In this work we comment on the crystallographic elements presented in simulated convergent beam electron diffraction (CBED) patterns for sHAP, in its versions of Laue Zones of Zero Order (ZOLZ), First Order (FOLZ), Second Order (SOLZ) and Higher Order (HOLZ), and the deduction of its space group P63/m. These results are compared with those reported experimentally.
Palabras llave : CBED; hydroxyapatite; electron diffraction.