Spectroscopic properties of alkali alkaline earth borate glasses doped with Fe3+ ions

Bhogi, Ashok; Kistaiah, P.

doi:10.1007/s41779-019-00426-3

Cited by 21 publications

(8 citation statements)

References 48 publications

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“…For the relation to hold value, the experimental and calculated values should be nearly identical and form a linear trend with a slope of 1. From Figure 1, it is seen that the previous assessment that the Gladstone–Dale relation holds reasonably well for silicate glasses is a valid assumption 36–63 . For the purpose of this discussion, measurements done at 589 and 589.3 nm were considered sodium D line values.…”

Section: Resultsmentioning

confidence: 88%

“…Comparison of experimental index‐of‐refraction values measured at the sodium D line compared to calculated values for different glass families. Adapted from data obtained from Ref 36–63…”

Section: Resultsmentioning

confidence: 99%

“…Therefore, it can be generally expected that the difference between the experimental index of refraction and the one calculated by the Gladstone–Dale relation should decrease with increasing wavelength. Unfortunately, this is not always the case, as seen in the top plot of Figure 3, which shows the average percentage error between the calculated index of refraction and experimentally measured one 34,36–63,72–112 . The overall average percentage error value in n was determined by averaging the percentage error of all glasses measured at a specific wavelength, while the average percentage error in n for each glass family was determined using only glasses in that family.…”

Section: Resultsmentioning

confidence: 99%

“…(Bottom) Individual percentage error between n GD and n exp for each reported glass. Adapted from data from Ref 34, 36–63, 72–112…”

Section: Resultsmentioning

confidence: 99%

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The Gladstone–Dale relation: Applications in oxide glasses

Tsekrekas,

Clare

2023

Int J of Appl Glass Sci

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The Gladstone–Dale relation is among one of the many formulae put forward in the 19th century to try and relate the index of refraction and density of a material. Compared to other relations of the time, the Gladstone–Dale relation is advantageous as it is relatively simple to use. It has been suggested that the Gladstone–Dale relation can be used as a reliable way to calculate the index of refraction for oxide glasses because of the additive nature of the relation, making it ideal for glass compositions. The reliability of the Gladstone–Dale relation with regards to its use in glass science has been explored. Various oxide glass systems that use different network formers, conditional network formers, modifying oxides, and dopants have been obtained from the literature to determine the reliability of the relation with regards to index‐of‐refraction calculations. The benefits and faults of the relation are discussed, and it was found that it is not universally applicable for all glass compositions.

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Section: Resultsmentioning

confidence: 88%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

“…(Bottom) Individual percentage error between n GD and n exp for each reported glass. Adapted from data from Ref 34, 36–63, 72–112…”

Section: Resultsmentioning

confidence: 99%

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The Gladstone–Dale relation: Applications in oxide glasses

Tsekrekas,

Clare

2023

Int J of Appl Glass Sci

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“…As one of the main glass formers, B 2 O 3 (boric acid) can be found in almost all glass materials with commercial significance. Due to their fascinating characteristics in numerous fields, including science, technology, and industry, these glasses are an extremely fascinating group of materials (4) . Among all oxide glasses borate-based glasses have attracted a lot of interest, due to their exceptional qualities such as low melting point, strong thermal stability, great transparency and high dielectric constant.…”

Section: Introductionmentioning

confidence: 99%

Effect of Gamma Irradiation on Dielectric and AC Conductivity Studies of Bismuth Borate Glasses Doped with V2O5

Devidas¹,

Dinkar²,

Biradar³

2023

IJST

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Objectives: To study gamma ray irradiation effect on dielectric and AC conductivity of V 2 O 5 doped bismuth borate glasses designed with the compositions 50B 2 O 3 -(50-X)Bi 2 O 3 -XV 2 O 5 where, X = 0, 0.2, 0.4, 0.6, 0.8, 1.0 and establishing the conduction mechanism. Methods: Glasses were synthesized by traditional melt quenching technique at 1323K. The prepared samples were subjected to annealing at 623K, which helps to remove strain in the samples. Absence of crystalline phases in the samples was confirmed by X-ray diffraction studies. An independent measurement of dielectric constant, dielectric loss and AC conductivity was carried out for temperature range from 300Kto 493K by impedance analyzer. Findings: The physical properties of glass were achieved by studying the density and the molar volume. Dielectric constant (ε') and dielectric loss (ε") were measured as a function of temperatures in the range from 300K to 493K, over the frequencies 10 2 Hz -10 6 Hz before and after gamma ray irradiation. AC conductivity (σ AC ) of the glasses was measured as a function of frequency for different temperatures before and after gamma ray irradiation. Novelty: For the first time, it was attempted that the effect of gamma ray irradiation on dielectric and AC conductivity properties of bismuth-borate glasses doped with vanadium oxide has been investigated. Here we have observed the change in the variation of dielectric constant, dielectric loss and AC conductivity with frequency and temperature before and after gamma ray irradiation. The borate network becomes more compact after being exposed to gamma rays, and the energy band gap may even narrow. Furthermore, it has been found that the composition of the glass influences how radiation impacts conductivity.

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Structural and optical features of aluminum lead borate glass doped with Fe2O3

Wahab

Shaaban

2021

Appl. Phys. A

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Spectroscopic properties of alkali alkaline earth borate glasses doped with Fe3+ ions

Cited by 21 publications

References 48 publications

The Gladstone–Dale relation: Applications in oxide glasses

The Gladstone–Dale relation: Applications in oxide glasses

Effect of Gamma Irradiation on Dielectric and AC Conductivity Studies of Bismuth Borate Glasses Doped with V2O5

Structural and optical features of aluminum lead borate glass doped with Fe2O3

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