Structures of CeO2-Al2O3-SiO2 glasses

Sin Lung Lin; Chii Shyang Hwang

doi:10.1016/0022-3093(96)00138-X

Structures of CeO₂-Al₂O₃-SiO₂ glasses

Sin Lung Lin, Chii Shyang Hwang

Research output: Contribution to journal › Article › peer-review

119 Citations (Scopus)

Abstract

Structures of glasses containing (20-30) mol% CeO₂-(16-23) mol% Al₂O₃-(47-64) mol% SiO₂ prepared at 1550°C for 3 h in an atmosphere of N₂ have been investigated via the analyses of FT-IR and ²⁷Al MAS-NMR spectroscopy. Results show that cerium ions act primarily as the glass modifiers. The number of NBO/T on average in the structures of CAS glasses increases with increasing ceria content. The aluminum ions in the structures of CAS glasses exist in both Al(6) and Al(4) coordination, and the fraction of Al(6) is more than Al(4).

Original language	English
Pages (from-to)	61-67
Number of pages	7
Journal	Journal of Non-Crystalline Solids
Volume	202
Issue number	1-2
DOIs	https://doi.org/10.1016/0022-3093(96)00138-X
Publication status	Published - 1996 Jul 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

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title = "Structures of CeO2-Al2O3-SiO2 glasses",

abstract = "Structures of glasses containing (20-30) mol% CeO2-(16-23) mol% Al2O3-(47-64) mol% SiO2 prepared at 1550°C for 3 h in an atmosphere of N2 have been investigated via the analyses of FT-IR and 27Al MAS-NMR spectroscopy. Results show that cerium ions act primarily as the glass modifiers. The number of NBO/T on average in the structures of CAS glasses increases with increasing ceria content. The aluminum ions in the structures of CAS glasses exist in both Al(6) and Al(4) coordination, and the fraction of Al(6) is more than Al(4).",

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