Optical, infrared and DSC studies of sodium tetraborate glasses containing copper oxide

The optical absorption, density, DSC and infrared absorption spectra of a series of sodium tetraborate glasses were measured as a function of copper content up to 5 mol%. It was found that the addition of CuO shifts the fundamental absorption edges towards lower energies in the range from 6.17-3.48...

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Bibliographic Details
Published in:Journal of materials science 1995-02, Vol.30 (3), p.724-728
Main Author: KUTUB, A. A
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Condensed matter: structure, mechanical and thermal properties
Disordered solids
Exact sciences and technology
Infrared and raman spectra and scattering
Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity)
Optical constants: refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of bulk materials and thin films
Other topics in thermal properties of condensed matter
Physics
Thermal properties of condensed matter
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Summary:The optical absorption, density, DSC and infrared absorption spectra of a series of sodium tetraborate glasses were measured as a function of copper content up to 5 mol%. It was found that the addition of CuO shifts the fundamental absorption edges towards lower energies in the range from 6.17-3.48 eV. The addition of CuO did not introduce any new absorption band as compared with the spectrum of a pure sodium tetraborate glass. DSC measurements showed endothermal peaks varying from 486-476 C depending on the CuO content. 21 refs.
ISSN:0022-2461
1573-4803
DOI:10.1007/BF00356333