Abstract
A new single phase of composition Bi 3NbO 7 has been isolated in the binary system Bi 2O 3–Nb 2O 5. X-ray single crystal diffraction studies have shown that Bi 3NbO 7 crystallizes in the cubic system, space group Fm 3 m, with unit-cell parameter a = 5.4788(9) Å. The structure has been determined, and the final reliability index is R = 0.027. Bi 3NbO 7 exhibits a defect fluorite-type structure with 12.5% of anion vacancies and appears to show a disorder in both anionic and cationic lattices. The study by electron diffraction and high resolution electron microscopy has shown the presence of an incommensurate cubic lattice. Bi 3NbO 7 shows good behavior as an ionic conductor up to 875°C without any phase transition as deduced from impedance measurements.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
