Effects of TiO2–SiO2 fillers on thermal and dielectric properties of bismuth glass microcomposite dielectrics for plasma display panel

Tarafder, Anal; Singh, Shivani; Karmakar, Basudeb

doi:10.1007/s10854-010-0170-3

Cited by 2 publications

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“…The band observed at 661 cm −1 is assigned to Nb–O stretching vibrations of less distorted NbO 6 octahedra . The band appeared at 808 cm −1 can be assigned to symmetric stretching of O–Si–O bonds . The band at 894 cm −1 may be a result of wider distribution of SiO 4 tetrahedra and NbO 6 octahedra and BiO 3 /BiO 6 units having different number of nonbridging oxygens (NBOs) .…”

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confidence: 99%

“…28 The band appeared at 808 cm À1 can be assigned to symmetric stretching of O-Si-O bonds. 29,30 The band at 894 cm À1 may be a result of wider distribution of SiO 4 tetrahedra and NbO 6 octahedra and BiO 3 /BiO 6 units having different number of nonbridging oxygens (NBOs). 31 This band could be ascribed to overlapping of Si-O and Nb-O, Bi-O stretching vibrations.…”

Section: (4) Fourier Transform Infrared Reflectance Spectroscopymentioning

confidence: 99%

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Synthesis and Characterization of Eu³⁺‐Doped Transparent Glass–ceramics Containing Nanocrystalline Sr^IINb^IVO₃

et al. 2013

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The glass–ceramics containing a rarely achievable nanocrystalline SrIINbIVO3 phase in the 53.75SiO2–18.25K2O–9Bi2O3–9SrO–9Nb2O5–0.5CeO2–0.5Eu2O3 (mol%) glass system were prepared by the melt‐quench technique followed by a two‐stage controlled heat treatment. The unusual oxidation state of Nb in SrIINbIVO3 crystal is 4+ and upon heat treatment of the samples at lower temperature of 500°C for several hours, the glass composition and chemical environment around Nb ions played a key role for the formation of SrIINbIVO3 in the glass–ceramics. The microstructure of the glass–ceramics was studied using TEM and FESEM. The TEM images advocate 10–40 nm crystallite size of SrIINbIVO3. FTIR study confirms that all the samples consist of SiO4, BiO3, BiO6, and NbO6 structural units. The refractive index at different wavelengths was found to vary in the range 1.7105–1.7905 and increase with increase in heat‐treatment time. The luminescence spectra of Eu3+‐doped glass and glass–ceramics were recorded at 465 nm excitation wavelength and the luminescence intensity is found to be increased with heat‐treatment time due to increase in crystallinity. The high intensity ratio of 5D0→7F2 to 5D0→7F1 indicates that the Eu3+‐doped nanocrystalline SrIINbIVO3 glass–ceramics are promising candidate materials as red‐light source.

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Section: Resultsmentioning

confidence: 99%

Section: (4) Fourier Transform Infrared Reflectance Spectroscopymentioning

confidence: 99%

Synthesis and Characterization of Eu³⁺‐Doped Transparent Glass–ceramics Containing Nanocrystalline Sr^IINb^IVO₃

et al. 2013

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Synthesis and characterization of K2O-ZnO-GeO2-SiO2 optical glasses

Luo

Bhadu

et al. 2019

Journal of Non-Crystalline Solids

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Effects of TiO2–SiO2 fillers on thermal and dielectric properties of bismuth glass microcomposite dielectrics for plasma display panel

Cited by 2 publications

References 16 publications

Synthesis and Characterization of Eu³⁺‐Doped Transparent Glass–ceramics Containing Nanocrystalline Sr^IINb^IVO₃

Synthesis and Characterization of Eu³⁺‐Doped Transparent Glass–ceramics Containing Nanocrystalline Sr^IINb^IVO₃

Synthesis and characterization of K2O-ZnO-GeO2-SiO2 optical glasses

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Effects of TiO2–SiO2 fillers on thermal and dielectric properties of bismuth glass microcomposite dielectrics for plasma display panel

Cited by 2 publications

References 16 publications

Synthesis and Characterization of Eu3+‐Doped Transparent Glass–ceramics Containing Nanocrystalline SrIINbIVO3

Synthesis and Characterization of Eu3+‐Doped Transparent Glass–ceramics Containing Nanocrystalline SrIINbIVO3

Synthesis and characterization of K2O-ZnO-GeO2-SiO2 optical glasses

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Synthesis and Characterization of Eu³⁺‐Doped Transparent Glass–ceramics Containing Nanocrystalline Sr^IINb^IVO₃

Synthesis and Characterization of Eu³⁺‐Doped Transparent Glass–ceramics Containing Nanocrystalline Sr^IINb^IVO₃