Mixed Alkali Effect in Structural and Electrical Conductivity Properties of V2O5-, K2O- and Na2O-Containing Borate Glasses

Banagar, Arunkumar V.; Kumar, Mukesh; Sunanda, S.; Nagaraja, N.

doi:10.1007/s11664-021-09000-9

Journal of Elec Materi

2021

DOI: 10.1007/s11664-021-09000-9

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Mixed Alkali Effect in Structural and Electrical Conductivity Properties of V2O5-, K2O- and Na2O-Containing Borate Glasses

Arunkumar V. Banagar¹,

Mukesh Kumar²,

S. Sunanda³

et al.

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Cited by 5 publications

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“…The action of one of the alkali oxides when it is varied from low mole% to high mole% in the glass composition changes its role from glass network modifier to glass network former and vice-versa. [5][6][7][8] The alkaline Earth oxides also play a role as glass modifier. Thereby considerable and significant changes in the borate glass structure occur due to the presence of mixed alkali and alkaline Earth oxides.…”

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Physical, Optical, and Spectroscopic Characteristics of Mixed Alkali Tetraborate Glasses RO–ZnO–Li₂B₄O₇-K₂B₄O₇: Impact of Alkaline Earth Oxides (R = Mg, Ca)

Sarap¹,

Md²,

M³

et al. 2023

ECS J. Solid State Sci. Technol.

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Alkali tetraborate glasses 10RO-30ZnO-xLi2B4O7-(60-x) K2B4O7 (R=Mg, Ca) with x varying from 0 to 60 mole% were synthesized by melt quenching approach at around 1150°C. Broad and peak less X-ray diffraction spectra confirmed the amorphous nature of synthesized glass samples. Physical and optical properties, namely density, molar volume, refractive index, optical band gaps, molar refractivity, and Urbach energy values, have been reported. The density of the present glass samples improved with increasing x mole% except at the presence of equal amounts of alkali oxides in the glass system. The molar volume decreased continuously with x mole%. Oxygen packing density increased with increasing x mole%. The optical energy band gap Eopt values with increasing lithium tetraborate in the glass composition have shown a downward trend, where are refractive index values shown upward. Fourier transform infrared and Raman studies revealed the variation of BO3 and BO4 units in the glasses with composition is marginal. EPR spectra of copper ions confirmed the existence of Cu2+ ions in the ground state dx2-y2 orbital (2B1g). The observed non-linear variations of various properties are attributed to the structural changes caused by mixed alkali effect.

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Physical, Optical, and Spectroscopic Characteristics of Mixed Alkali Tetraborate Glasses RO–ZnO–Li₂B₄O₇-K₂B₄O₇: Impact of Alkaline Earth Oxides (R = Mg, Ca)

Sarap¹,

Md²,

M³

et al. 2023

ECS J. Solid State Sci. Technol.

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Conductivity, dielectric, and modulus formalism in Li2O modified PbO·Bi2O3·B2O3 glasses

Yadav,

Bala,

Chauhan

et al. 2024

J Mater Sci: Mater Electron

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Detailed optical analysis of Dy3+ and Pr3+ co-doped alumino-borate glasses for visible lighting applications

Dahiya

Hooda

Agarwal

et al. 2023

Ceramics International

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Mixed Alkali Effect in Structural and Electrical Conductivity Properties of V2O5-, K2O- and Na2O-Containing Borate Glasses

Cited by 5 publications

References 32 publications

Physical, Optical, and Spectroscopic Characteristics of Mixed Alkali Tetraborate Glasses RO–ZnO–Li₂B₄O₇-K₂B₄O₇: Impact of Alkaline Earth Oxides (R = Mg, Ca)

Physical, Optical, and Spectroscopic Characteristics of Mixed Alkali Tetraborate Glasses RO–ZnO–Li₂B₄O₇-K₂B₄O₇: Impact of Alkaline Earth Oxides (R = Mg, Ca)

Conductivity, dielectric, and modulus formalism in Li2O modified PbO·Bi2O3·B2O3 glasses

Detailed optical analysis of Dy3+ and Pr3+ co-doped alumino-borate glasses for visible lighting applications

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Mixed Alkali Effect in Structural and Electrical Conductivity Properties of V2O5-, K2O- and Na2O-Containing Borate Glasses

Cited by 5 publications

References 32 publications

Physical, Optical, and Spectroscopic Characteristics of Mixed Alkali Tetraborate Glasses RO–ZnO–Li2B4O7-K2B4O7: Impact of Alkaline Earth Oxides (R = Mg, Ca)

Physical, Optical, and Spectroscopic Characteristics of Mixed Alkali Tetraborate Glasses RO–ZnO–Li2B4O7-K2B4O7: Impact of Alkaline Earth Oxides (R = Mg, Ca)

Conductivity, dielectric, and modulus formalism in Li2O modified PbO·Bi2O3·B2O3 glasses

Detailed optical analysis of Dy3+ and Pr3+ co-doped alumino-borate glasses for visible lighting applications

Contact Info

Product

Resources

About

Physical, Optical, and Spectroscopic Characteristics of Mixed Alkali Tetraborate Glasses RO–ZnO–Li₂B₄O₇-K₂B₄O₇: Impact of Alkaline Earth Oxides (R = Mg, Ca)

Physical, Optical, and Spectroscopic Characteristics of Mixed Alkali Tetraborate Glasses RO–ZnO–Li₂B₄O₇-K₂B₄O₇: Impact of Alkaline Earth Oxides (R = Mg, Ca)