Hydrothermal Synthesis of Lead Titanate Powder and Epitaxial Thin Film for Memory Capacitor Application

Chaw Loon Thu; Than Than Win; Yin Maung Maung; Ko Ko Kyaw Soe

doi:10.4028/www.scientific.net/AMR.557-559.1901

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 557-559Hydrothermal Synthesis of Lead Titanate Powder and...

Hydrothermal Synthesis of Lead Titanate Powder and Epitaxial Thin Film for Memory Capacitor Application

Abstract:

This lead titanate (PbTiO₃) powder was prepared by classical hydrothermal synthesis with different TiO₂ contents at low temperature. Phase identification and crystal structure of product PbTiO₃ powders were examined by X-ray diffraction (XRD). From XRD result, hydrothermal synthesized PbTiO₃ powder was significantly formed with tetragonal symmetry. Structure morphologies of PbTiO₃ films were observed by scanning electron microscopy (SEM). Ferroelectric properties and nonvolatile memory behaviour of PbTiO₃ films were identified by means of C-V characteristics. The widths of memory window were measured to be 0.50 V and 0.56 V for PbTiO₃ film with 0.20 g and 0.22 g of TiO₂ content.