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Integrated Ferroelectrics
An International Journal
Volume 99, 2008 - Issue 1
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SESSION K2: NOVEL PROCESSING OF FERROELECTRIC NANOMATERIALS

HYDROTHERMAL SYNTHESIS OF THIN FILMS OF BARIUM TITANATE NANOTUBE ARRAYS

, , , &
Pages 125-131 | Received 15 Jun 2007, Accepted 15 Dec 2007, Published online: 20 Sep 2010
 

ABSTRACT

Recently, there has been great demand for patterned perovskite Barium titanate (BT, BaTiO3) in electroceramic device applications. Well ordered BaTiO3 nanotube arrays could be fabricated on the anodized Ti substrates at the hydrothermal condition of 200°C 0.05 M Ba(OH)2, and 2 hr ∼ 7 hr. XRD patterns of as-prepared BaTiO3 nanotube arrays reveal a perovskite structure. Meanwhile, piezoresponse measurements confirm the existence of ferroelectricity of the BaTiO3 nanotube arrays. Moreover, SAED result indicates the high-oriented nature of a single BaTiO3 nanotube.

ACKNOWLEDGMENT

This work was supported by the High Technology Research and Development Project, China under Grant No. 863–2001AA325010 and the Ministry of Sciences and Technology of China through 973-Project under Grant No. 2002CB613301.

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