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Home  >  Journal list  >  Journal of the Ceramic Society of Japan  >  Vol.126  No.12 (December ) (2018)  >  pp.992-996

Journal of the Ceramic Society of Japan
<<Previous article Vol.126  No.12 (December ) (2018)   pp.992 - 996 Next article>>

Coordination Structure of Bi atoms in Li2O–Bi2O3–B2O3 Glasses by X-ray Diffraction

Kohei FUKUMI, Naoyuki KITAMURA, Hiromitsu KOZUKA, Shinji KOHARA
Kohei FUKUMI
Inorganic Functional Materials Research Institute, National Institute of Advance Industrial Science and Technology
Naoyuki KITAMURA
Inorganic Functional Materials Research Institute, National Institute of Advance Industrial Science and Technology
Hiromitsu KOZUKA
Department of Chemistry and Materials Engineering, Faculty of Chemistry, Materials and Bioengineering, Kansai University
Shinji KOHARA
Advanced Key Technologies Division, National Institute for Materials Science

The coordination structure around Bi atoms has been studied in Li2O–Bi2O3B2O3 glasses by X-ray diffraction method. It was found that Bi atoms were coordinated by five or six oxygen atoms. The number of Bi atoms around a Bi atom through Bi–O–Bi bonds increased with an increase in Bi/O ratio. It was inferred that BiOx polyhedra were clumped in the glasses, although BiOx polyhedra were more clumped in Li2O–Bi2O3–B2O3 glasses than in Bi2O3–B2O3 glasses.


Keyword:
Glass structure, Li2O–Bi2O3–B2O3, Bi atoms, X-ray diffraction

Received: May 31, 2018
Accepted: September 24, 2018 , Published online: December 01, 2018

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