The structure of oxide glasses containing SeO2

Dimitriev, Y.; Yordanov, St.; Lakov, L.

doi:10.1016/s0022-3093(01)00836-5

Cited by 38 publications

(29 citation statements)

References 16 publications

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“…On the basis of the IR spectra some suggestions about the network formation of these mixed multicomponent non-traditional glasses are made. The IR spectra are interpreted taking into account the structural and spectral data collected from the literature on selenite [11,14], vanadate [15,16] and tellurite [17] glasses. As it can be seen from Fig.…”

Section: Resultsmentioning

confidence: 99%

“…The compositions investigated were selected on the basis of our previous results on the glass formation in various model selenite systems [9][10][11][12]. The constituents were prepared in 15 g batches containing oxides of analysis-grade purity.…”

Section: Methodsmentioning

confidence: 99%

“…[1][2][3][4][5][6][7][8]. The main advantage of SeO 2 introducing is its ability to decrease the melting temperature of glass compositions and to modify their optical properties [9][10][11]. The investigations of glass formation in different two-, three and multi-component selenite systems show that it is possible to obtain a selenite glass even at low cooling rate, particularly if the second components are also glass-forming oxides [10].…”

Section: Introductionmentioning

confidence: 99%

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Optical properties of selenite glasses

Bachvarova-Nedelcheva

Iordanova

Yordanov

et al. 2009

Journal of Non-Crystalline Solids

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Section: Resultsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Optical properties of selenite glasses

Bachvarova-Nedelcheva

Iordanova

Yordanov

et al. 2009

Journal of Non-Crystalline Solids

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“…The desired properties of LGPS glasses can be achieved by choosing the suitable concentration of SeO 2 to make them suitable for advanced technology applications. Reports on the role of SeO 2 in various glass matrices are available in the literature [5][6][7][8][9]. Based on FTIR and Raman spectra, it was concluded that selenium ions due to SeO 3 2- and SeO 4 2-groups act either as glass modifier or former with the SeO 2 content in the LGPS glass network.…”

Section: Introductionmentioning

confidence: 99%

Electrical conductivity, electrical modulus, and scaling studies of Li2O–Ga2O3–P2O5 glass electrolyte doped with selenium ions

Reddy

Rao

Mouli

et al. 2011

Ionics

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A serious of glass samples according to the formula (100−x) (0.5 Li 2 O−0.2Ga 2 O 3 −0.3P 2 O 5 )+x SeO 2 (x=0, 2, 4, 6, 8, 10 and 12 mol%), labeled as LGPS x (x is the mole percent of SeO 2 ) were synthesized through melt quenching technique. Glass transition temperature T g and Hurby's parameter for the prepared LGPS samples were characterized by DSC Traces. FTIR and Raman spectra indicated that SeO 2 acts as either glass modifier (SeO 3 2− ) or glass former (SeO 4 2− ) as the composition of SeO 2 changes. The best bulk conductivity, the highest conductivity is achieved by the LGPS 10 sample (σ=1.605×10 −6 S/cm, at 303 K). The variation of conductivity with frequency of glass samples was explained in the light of different oxidation states of selenium ions. The super curve in the scaling analysis suggesting the temperature independent relaxation phenomenon.

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“…The results obtained during the last 20 years have been reviewed [4]. There are a few papers [5][6][7][8][9][10][11][12][13] in which the synthesis and properties of similar materials are considered. Data on new oxide complex selenites have been reported recently [14,15].…”

Section: Introductionmentioning

confidence: 99%