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AssigneeThe University of Tokyo
InventorsShin-ichi Ohkoshi, Deepa Dey, Yoshihide Tsunobuchi, Kazuhito Hashimoto, Hiroko Tokoro, Fumiyoshi Hakoe
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A microstructure that can develop non-conventional and novel physical properties and a method for producing the same are provided. Ethanol is added to a mixture solution produced by adding a surfactant solution to a peroxotitanic acid aqueous solution to produce precipitates, and the precipitates collected from the mixture solution are let dried to produce precursor powders 5. The precursor powders 5 are calcined at a predetermined temperature. Accordingly, a microstructure 2 can be produced which is formed of monophasic Ti4O7 in nano size. The microstructure 2 of monophasic Ti4O7 produced in this fashion can be fine-grained in nano size unlike prior-art crystals.
A microstructure comprising a micro structure of Ti4O7 in a nano size, the Ti4O7 being formed by calcining precursor powders, the precursor powders being formed based on precipitates precipitating in a mixture solution of a surfactant solution containing a non-ionic polymer surfactant agent and a peroxotitanic acid aqueous solution.
A method for producing a microstructure, the method comprising:
Dependencies are inferred from the claim text.