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Structural Distinctions Between Biogenic and Geological Aragonite

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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.

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Authors and Affiliations

  1. DND-CAT Research Center, Northwestern University, APS/ANL Sector 5, Building 432A, 9700 South Cass Avenue, Argonne, IL, 60439-4857, USA

    John P. Quintana

  2. Department of Materials Engineering, Technion-Israel Institute of Technology, Haifa, 32000, Israel

    Boaz Pokroy & Emil Zolotoyabko

Authors
  1. Boaz Pokroy
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  2. John P. Quintana
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  3. Emil Zolotoyabko
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Pokroy, B., Quintana, J.P. & Zolotoyabko, E. Structural Distinctions Between Biogenic and Geological Aragonite. MRS Online Proceedings Library 874, 71 (2005). https://doi.org/10.1557/PROC-874-L7.1

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  • DOI: https://doi.org/10.1557/PROC-874-L7.1

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