Spectroscopic studies of copper doped alkaline earth lead zinc phosphate glasses

In this paper spectroscopic investigation of Cu2+ doped alkaline earth lead zinc phosphate glasses was done through the spectroscopic techniques like X-ray diffraction, Ultra Violet (UV) absorption Spectroscopy, Electron Paramagnetic Resonance (EPR – X band), Fourier Transform Infra Red (FTIR) and R...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2014-02, Vol.434, p.159-164
Main Authors: Sastry, S. Sreehari, Rao, B. Rupa Venkateswara
Format: Article
Language:English
Subjects:
Condensed matter
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Copper
Earth
Electron paramagnetic resonance
Electron paramagnetic resonance and relaxation
Exact sciences and technology
Fourier transforms
Glass
Infrared spectroscopy
Magnetic resonances and relaxations in condensed matter, mössbauer effect
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
Phosphate glasses
Physics
Raman spectroscopy
Spectroscopic analysis
Spectroscopy
Transition metal
Zinc phosphate
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Summary:In this paper spectroscopic investigation of Cu2+ doped alkaline earth lead zinc phosphate glasses was done through the spectroscopic techniques like X-ray diffraction, Ultra Violet (UV) absorption Spectroscopy, Electron Paramagnetic Resonance (EPR – X band), Fourier Transform Infra Red (FTIR) and Raman Spectroscopy. Alkaline earth lead zinc phosphate glasses containing 0.1% copper oxide (CuO) were prepared by the melt quenching technique. Spectroscopic studies indicated that there is a greater possibility for the copper ions to exist in Cu2+ state in these glasses. The optical absorption spectra indicated that the absorption peak of Cu2+ is a function of composition. The maxima absorption peak was reported at 862nm for strontium lead zinc phosphate glass. Bonding parameters were calculated for the optical and EPR data. All these spectral results indicated clearly that there are certain structural changes in the present glass system with different alkaline earth contents. The IR and Raman spectra noticed the breaking of the P–O–P bonds and creating more number of new P–O–Cu bonds.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2013.11.017