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Optical properties of borotellurite glasses containing metal oxides

Abstract: Glass samples of the system: 5MxOy-20B2O3-75TeO2 : MxOy = WO3, Nb 2O5, PbO, Nd2O3, Y2O3, Eu2O3 were prepared by melt quenching and characterized by X-ray diffraction, density, Differential Scanning Calorimetry, UV-visible and FTIR spectroscopy. XRD patterns confirmed the amorphous structure of all samples. Glass transition temperature was maximum in borotellurite glass containing Y2O3. Refractive index, atomic polarizability and basicity increased in the following order of ions: Y3+ < Eu3+ < Pb2+ < Nd3+ < Nb 3+ < W6+. FTIR studies showed that PbO is outstanding in enhancing the concentration of tetrahedral borons in the borotellurite network.

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Authorship: Kaur N., Khanna A., Krishna P., González F.,

Congress: DAE Solid State Physics Symposium (59º : 2014 : Tamilnadu, India)

Publisher: American Institute of Physics

Publication date: 01/06/2015

No. of pages: 3

Publication type: Comunicación a Congreso

DOI: 10.1063/1.4917893

ISSN: 0094-243X,1551-7616

Publication Url: https://doi.org/10.1063/1.4917893

UCrea Repository Read publication

Authorship

KAUR, NIRMAL

KHANNA, ATUL

KRISHNA, P.S.R.

JESUS FERNANDO GONZALEZ MARTINEZ

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