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Molten-salt synthesis of Ba1−xPbxTiO3/BaTiO3 composites with controlled compositions

✍ Scribed by Yoshiho Ito; Shiro Shimada; Michio Inagaki

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
463 KB
Volume
101-103
Category
Article
ISSN
0167-2738

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✦ Synopsis

Ba,_,Pb,TiO,/BaTiO, composite particles with a core-shell structure were prepared by the reaction between BaTiO, and molten PbCl,. The composition of the shell region of the resulting composite particles was controlled by changing the mole ratio of PbCl,/BaTiO,. By using a sintered BaTiO, compact, a bulk Ba, _,Pb,TiO,/BaTiO, composite was formed. This contained compensational concentration gradients of Ba and Pb in the * 20 p,rn thick Ba, _,PbxTiO, layer, of which the outer region had the composition Ba,,,Pb,,,TiO,.

📜 SIMILAR VOLUMES

Crystal Structure of a Modulated Composi
Crystal Structure of a Modulated Composite Structure with Two Subsystems: Ba1.1064CoO3
✍ A. El Abed; S.E. Elqebbaj; M. Zakhour; M. Champeaux; J.M. Perez-Mato; J. Darriet 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 456 KB

The structure of Ba 1.1064 CoO 3 has been solved in the (3 ؉ 1)dimensional formalism. The structure is described as a modulated chain composite with two subsystems, [CoO 3 ] and [Ba], respectively. The superspace group is R-3m(00 )0s with a ‫؍‬ 9.8842(20) A s , c ‫؍‬ 2.4785(12) A s , and q ‫؍‬ 0.553