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Synthesis and Characterization of Bowl-Like Single-Crystalline BaTiO3 Nanoparticles

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Author(s): Deng Zhao | Dai Ying | Chen Wen | Pei Xinmei | Liao Jihong

Journal: Nanoscale Research Letters
ISSN 1931-7573

Volume: 5;
Issue: 7;
Start page: 1217;
Date: 2010;
Original page

Keywords: BaTiO3 | Bowl-like | Single-crystalline | Piezoelectric properties

ABSTRACT
Abstract Novel bowl-like single-crystalline BaTiO3 nanoparticles were synthesized by a simple hydrothermal method using Ba(OH)2·8H2O and TiO2 as precursors. The as-prepared products were characterized by XRD, Raman spectroscopy, SEM and TEM. The results show that the bowl-like BaTiO3 nanoparticles are single-crystalline and have a size about 100–200 nm in diameter. Local piezoresponse force measurements indicate that the BaTiO3 nanoparticles have switchable polarization at room temperature. The local effective piezoelectric coefficient is approximately 28 pm/V.
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