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2002•Journal of the American Ceramic SocietyRequires access

Effect of Lead Zirconate Titanate Seeds on Pt x Pb Formation during the Pyrolysis of Lead Zirconate Titanate Thin Films

Aiying Wu, Paula M. Vilarinho, Isabel M. Miranda Salvado, J.L. Baptista, Zhaoxia Zhou, Ian M. Reaney, A.R. Ramos, Maria F. da Silva

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Abstract

Lead zirconate titanate (PZT) thin films were prepared on platinized silicon substrates by dip‐coating using a modified diol‐based sol–gel route without and with up to 5 mol% PZT nanometric seeds dispersed in the precursor sol. A metastable intermetallic Pt x Pb phase formed at the early stages of heat treatment. XRD, TEM, and RBS revealed that the thickness and stoichiometry of the Pt x Pb layer varied with the concentration of seeds and heat treatment of the films. The relation of the Pt x Pb layer to the final crystalline texture of the PZT thin films is reported and discussed.

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Lead zirconate titanate (PZT) thin films were prepared on platinized silicon substrates by dip‐coating using a modified diol‐based sol–gel route without and with up to 5 mol% PZT nanometric seeds dispersed in the precursor sol. A metastable intermetallic Pt x Pb phase formed at the early stages of heat treatment. XRD, TEM, and RBS revealed that the thickness and stoichiometry of the Pt x Pb layer varied with the concentration of seeds and heat treatment of the films. The relation of the Pt x Pb layer to the final crystalline texture of the PZT thin films is reported and discussed.

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Available abstract

Lead zirconate titanate (PZT) thin films were prepared on platinized silicon substrates by dip‐coating using a modified diol‐based sol–gel route without and with up to 5 mol% PZT nanometric seeds dispersed in the precursor sol. A metastable intermetallic Pt x Pb phase formed at the early stages of heat treatment. XRD, TEM, and RBS revealed that the thickness and stoichiometry of the Pt x Pb layer varied with the concentration of seeds and heat treatment of the films. The relation of the Pt x Pb layer to the final crystalline texture of the PZT thin films is reported and discussed.

Key concepts: Lead zirconate titanate, Materials science, Lead titanate, Zirconate, Thin film, Intermetallic, Stoichiometry, Layer (electronics)

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