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Electron microscope study of alkoxide-derived compositions within the PbZrO3-PbTiO3 phase diagram

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Abstract

Pb(Zr0.50Ti0.50)O3 solid solution was prepared using lead acetate and transition metal n-propoxides in n-propanol or n-butoxides in n-butanol. The complex solutions were hydrolysed with an excess of H2O. The resultant powders were calcined up to 700°C for 30 minutes in a flowing oxygen atmosphere. Scanning electron microscope analysis showed different morphologies of the resultant powders. The n-propoxide derived powder consisted of gel fragments, while the n-butoxide derived one had agglomerated submicrometre particles. EDS analysis of the powders revealed no chemical heterogeneities in the examined samples upon calcining up to 600°C, notwithstanding the type of precursor used. Both samples, calcined at 700°C, exhibited a slight deficiency of lead in the pyrochlore type phase as compared to the perovskite phase.

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Authors and Affiliations

  1. “Jožef Stefan” Institute, University of Ljubljana, Jamova 39, 61000, Ljubljana, Slovenia

    B. Malič & M. Kosec

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  1. B. Malič
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  2. M. Kosec
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Malič, B., Kosec, M. Electron microscope study of alkoxide-derived compositions within the PbZrO3-PbTiO3 phase diagram. J Sol-Gel Sci Technol 2, 443–446 (1994). https://doi.org/10.1007/BF00486287

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  • DOI: https://doi.org/10.1007/BF00486287

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