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Structural Distinctions Between Biogenic and Geological Aragonite

Published online by Cambridge University Press:  01 February 2011

Boaz Pokroy ,
John P. Quintana  and
Emil Zolotoyabko
Boaz Pokroy
Affiliation:
Department of Materials Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel.
John P. Quintana
Affiliation:
DND-CAT Research Center, Northwestern University, APS/ANL Sector 5, Building 432A, 9700 South Cass Avenue, Argonne, IL 60439-4857, U.S.A.
Emil Zolotoyabko
Affiliation:
Department of Materials Engineering, Technion-Israel Institute of Technology, Haifa 32000, Israel.
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Abstract

Energy-variable synchrotron x-ray diffraction was applied to probe local structure in different kinds of aragonitic seashells with spatial resolution. All investigated specimens revealed lattice distortions of biogenic aragonite with respect to the geological mineral. The obtained data are analyzed in terms of residual strains induced by intercalating organic macromolecules.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 874: Symposium l – Structure and Mechanical Behavior of Biological Materials , 2005 , L7.1
Copyright
Copyright © Materials Research Society 2005

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