ペロブスカイト型複酸化物Pb(Zn<sub>1/3</sub>Nb<sub>2/3</sub>)O<sub>3</sub>の合成

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書誌事項

タイトル別名
  • Synthesis of Perovskite-Type Complex Oxide Compound Pb(Zn<sub>1/3</sub>Nb<sub>2/3</sub>)O<sub>3</sub>
  • ペロブスカイトガタフクサンカブツ Pb Zn1 3Nb2 3 O3 ノ ゴウセイ

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説明

By the solid state reaction of the mixture 3PbO+ZnO+Nb2O5 a pyrochlore-type (Pb, Zn)2Nb2O7, was obtained, while perovskite-type A2+(B2+1/3Nb5+2/3)O3 (A2+=Ba, Sr and B2+=Zn, Mg, Co, Ni; A2+=Pb2+ and B2+=Mg, Co, Ni) can be prepared by usual solid state reactions. To obtain a perovskite-type Pb(Zn1/3Nb2/3)O3, a pressure higher than 25 kbars at 800°-1000°C was necessary. Another method to obtain the perovskite form was quenching the molten solution from the temperatures higher than 1200°C. These conditions are considered to favor Zn coordination number to change into 6.

収録刊行物

  • 窯業協會誌

    窯業協會誌 78 (894), 46-58, 1970

    公益社団法人 日本セラミックス協会

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