Hydrothermal synthesis of perovskite nanotubes

Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing

Reexamination Certificate

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C423S598000, C423S594120, C423S594800, C423S595000, C423S599000, C423S594100, C423S594300, C423S594500, C423S594140, C423S594150, C423S596000, C423S594200, C423S594400, C423S596000, C423S594160, C423S263000, C423S594900, C977S812000, C977S963000, C204S157420

Reexamination Certificate

active

07147834

ABSTRACT:
A low-temperature hydrothermal reaction is provided to generate crystalline perovskite nanotubes such as barium titanate (BaTiO3) and strontium titanate (SrTiO3) that have an outer diameter from about 1 nm to about 500 nm and a length from about 10 nm to about 10 micron. The low-temperature hydrothermal reaction includes the use of a metal oxide nanotube structural template, i.e., precursor. These titanate nanotubes have been characterized by means of X-ray diffraction and transmission electron microscopy, coupled with energy dispersive X-ray analysis and selected area electron diffraction (SAED).

REFERENCES:
patent: 2003/0026985 (2003-02-01), Greiner et al.
patent: 2005/0064731 (2005-03-01), Park et al.
patent: 2006/0008696 (2006-01-01), Cha et al.

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