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Alkali Bismuth Niobates, RbBi<SUB>2</SUB>Nb<SUB>5</SUB>O<SUB>16</SUB> and CsBi<SUB>2</SUB>Nb<SUB>5</SUB>O<SUB>16</SUB>, with a Pyrochlore Structure
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- Sugai Tokuk\={o}
- Research Institute of Electrical Communication, Tohoku University
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Description
A phase equilibrium study of the ternary system A2O–Bi2O3–Nb2O5 (A=K, Rb or Cs) has been made. An extended range of a solid solution with the pyrochlore-type structure was found in the respective system. The composition of this new phase is described by a representative formula ABi2Nb5O16, which exists mainly along a composition range BiNbO4–ANb3O8. Phase diagrams of BiNbO4–ANb3O8 systems with A=K, Rb and Cs were determined.<BR>Large single crystals of RbBi2Nb5O16 and CsBi2Nb5O16 were grown by the pulling method. They exhibit dielectric anomalies at 120–130 K.
Journal
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- Japanese Journal of Applied Physics
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Japanese Journal of Applied Physics 25 (6), 792-797, 1986
The Japan Society of Applied Physics
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Details 詳細情報について
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- CRID
- 1570291227429165696
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- NII Article ID
- 110003910872
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- NII Book ID
- AA10457675
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- Text Lang
- en
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- Data Source
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- CiNii Articles