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Perovskite titanium-containing composite oxide particle, production process and uses thereof

  • US 20060078492A1
  • Filed: 10/11/2005
  • Published: 04/13/2006
  • Est. Priority Date: 04/11/2003
  • Status: Abandoned Application
First Claim
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1. A perovskite titanium-containing composite oxide fine particle represented by the formula:

  • (A1XA2(1−

    X)
    )YTiO

    δ

    (wherein 0≦

    X≦

    1, 0.98≦

    Y≦

    1.02, 0≦

    δ



    0.05, A1 and A2 each is an atom selected from a group consisting of Ca, Sr, Ba, Pb and Mg and are different from each other), wherein the specific surface area is from 1 to 100 m2/g and the D2/D1 value is from 1 to 10, wherein D1 represents average primary particle size and D2 represents the average particle size of secondary particles.

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