Investigations on structural and luminescence behavior of Er3+ doped Lithium Zinc borate glasses for lasers and optical amplifier applications

Annapoorani, K.; Basavapoornima, Ch.; Murthy, N. Suriya; Marimuthu, K.

doi:10.1016/j.jnoncrysol.2016.06.021

Cited by 97 publications

(4 citation statements)

References 46 publications

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“…The UE of the BiBLM glasses is smaller than that of other Bismuthate containing glasses. UE of glasses increases from BiBLM1 to BiBLM4 (i.e., 428 to 460 meV), so that it suggests the presence of less disorderliness, minimum defects, and maybe in glasses system compositional changes take place in present glasses [47][48][49][50]. From Table 5 it is noticed that both indirect and direct values follow the trend BiBLM1 > BiBLM2 > BiBLM3 > BiBLM4, also UE follows the reverse trend BiBLM4 > BiBLM3 > BiBLM2 > BiBLM1.…”

Section: Optical Band Gap and Urbachenergymentioning

confidence: 90%

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Investigations on Structural and Optical Properties of Various Modifier Oxides (MO = ZnO, CdO, BaO, and PbO) Containing Bismuth Borate Lithium Glasses

et al. 2021

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Bismuth based quaternary glasses with compositions BiBLM: 50Bi2O3–20B2O3–15Li2O–15MO (where MO = ZnO, CdO, BaO, and PbO) were processed by conventional melt quenching. The effectiveness of various modifier oxides on the optical and structural properties of the developed glasses was studied systematically by XRD, DSC, FTIR, Raman, and optical absorption (OA) measurements. The synthesized glass specimens were characterized by XRD and the patterns demonstrated an amorphous nature. The physical characteristics such as molar mass, density, and OPD values were found to increase with an increase in the molar mass of the modifier oxides, while there was a decrement in oxygen molar volume, thus resulting in decrement of complete molar volume of the prepared glasses. From DSC analysis, incorrigible reduction and enhancement of Tg and thermal stability among various modifier oxides in the glass network was noticed. Optical absorption data for glass specimens have confirmed the decrease in both direct and indirect optical band gap values among various modifier oxides incorporation. These investigations support the obtained Urbach energy (UE) and metallization criteria of synthesized glasses. The ionic characteristic for the glass specimens were confirmed by the values of electronic polarizability and electronegativity. The Raman and FT-IR spectra of the glass specimens displayed the existence of BiO3, BiO6, ZnO4, CdO4, BaO4, BO3, PbO4, and BO4 structural units within the glass matrix. These structural results can support the applications of as-developed glasses in the area of photonics.

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Section: Optical Band Gap and Urbachenergymentioning

confidence: 90%

“…From Table 5 it is noticed that both indirect and direct values follow the trend BiBLM1 > BiBLM2 > BiBLM3 > BiBLM4, also UE follows the reverse trend BiBLM4 > BiBLM3 > BiBLM2 > BiBLM1. This is due to band edge shifts towards the higher wavelength sides [47,50].…”

Section: Optical Band Gap and Urbachenergymentioning

confidence: 99%

Investigations on Structural and Optical Properties of Various Modifier Oxides (MO = ZnO, CdO, BaO, and PbO) Containing Bismuth Borate Lithium Glasses

et al. 2021

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“…The ion concentration of Cu 2+ increased from 0 to 3.2082 x 10 20 ions/ cm 3 as the CuO molar concentration in the studied glasses was increased from 0 to 2%. The Cu 2+ ions concentration was computed using the equation ( 14) as reported by [45]. The values of both dielectric constant and optical dielectric constant inclusive of the variation with CuO molar concentration are presented in Table 6 and Figure 13 respectively.…”

Section: √ ( )mentioning

confidence: 99%

Dielectric Constant, Metallization Criterion and Optical Properties of CuO Doped TeO2–B2O3 Glasses

Nazrin

Umar

Halimah

et al. 2022

J Inorg Organomet Polym

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Copper oxide doped TeO 2 -B 2 O 3 glass system with empirical formula; [(B 2 O 3 ) 0.3 (TeO 2 ) 0.7 ] 1-x (CuO) x using the melt quenching method, where x = 0.0, 0.01, 0.015, 0.02, and 0.025 was combined. The glass samples' density and molar volume were measured, followed by characterizations using the UV-Vis, Fourier transform infrared (FTIR) and X-ray diffraction (XRD) spectroscopes. The amorphous or glassy nature of glass samples was proven by the XRD spectra except for the pure borotellurite sample which showed a peak around 2θ = 20 o , indicating α-TeO 2 crystalline phase presence. The FTIR spectral analysis suggested the presence of BO 3 , TeO 3 and TeO 4 as the structural functional units in the glass samples.The UV-Vis spectra showed no presence of any sharply de ned edges, a rming the amorphous or glassy nature of the glass materials. Physical parameters e.g. molar volume, density, oxygen packing density (OPD), inter ionic distance of Cu 2+ ions, concentration of copper ion per unit volume (N), as well as the polaron radius data were presented and discussed. Also, the direct bandgap (3.8900 to 3.5900 eV) , indirect bandgap (3.3200 to 3.0800 eV), refractive index (2.318 to 2.378), dielectric constant (5.3731 to 5.6549), optical dielectric constant (4.3731 to 4.6549), refractive index based metallization criterion (0.406885 to 0.391916) and the band gap based metallization criterion (0.407431 to 0.392428) were analysed and discussed. Based on the metallization criterion and values of refractive index, the glasses are good candidates for optoelectronic and laser applications. Meanwhile, the dielectric constants' values of the present glasses indicate their suitability bandpass lters and microelectronic substrates applications.

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“…The thermal activation of alkali ions within the glass enables them to move swiftly from one side to another. This facilitates the replacement of alkali ions near the glass surface by other ions of the same valence [5]. By incorporating alkali ions into the borate network, the Tg is increased while the thermal expansion coefficient is lowered [6].…”

Section: Introductionmentioning

confidence: 99%

Effect of immersion liquids on physical properties of Pr³⁺-ions doped lithium zinc borate glasses

Uthayakumar,

Yaduvanshi,

Madhu

et al. 2024

IOP Conf. Ser.: Mater. Sci. Eng.

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Our research focused on the creation of lithium zinc borate glasses that were doped with Pr3+ ions. Specifically, our study focused on the effects of substituting lithium with Pr2O3. Our x-ray diffractometer analysis indicated that the glasses were amorphous, which was as expected. We have also evaluated the impact of adding Pr2O3 using toluene and xylene immersion liquids, and we found that these liquids had unique effects on the glass properties. Furthermore, we examined density changes using the Archimedes principle and estimated physical parameters. We carefully analysed the variations in NBO that were caused by Pr2O3, and our results provide valuable insights into the structural behaviour of these glasses.

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Investigations on structural and luminescence behavior of Er3+ doped Lithium Zinc borate glasses for lasers and optical amplifier applications

Cited by 97 publications

References 46 publications

Investigations on Structural and Optical Properties of Various Modifier Oxides (MO = ZnO, CdO, BaO, and PbO) Containing Bismuth Borate Lithium Glasses

Investigations on Structural and Optical Properties of Various Modifier Oxides (MO = ZnO, CdO, BaO, and PbO) Containing Bismuth Borate Lithium Glasses

Dielectric Constant, Metallization Criterion and Optical Properties of CuO Doped TeO2–B2O3 Glasses

Effect of immersion liquids on physical properties of Pr³⁺-ions doped lithium zinc borate glasses

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Investigations on structural and luminescence behavior of Er3+ doped Lithium Zinc borate glasses for lasers and optical amplifier applications

Cited by 97 publications

References 46 publications

Investigations on Structural and Optical Properties of Various Modifier Oxides (MO = ZnO, CdO, BaO, and PbO) Containing Bismuth Borate Lithium Glasses

Investigations on Structural and Optical Properties of Various Modifier Oxides (MO = ZnO, CdO, BaO, and PbO) Containing Bismuth Borate Lithium Glasses

Dielectric Constant, Metallization Criterion and Optical Properties of CuO Doped TeO2–B2O3 Glasses

Effect of immersion liquids on physical properties of Pr3+-ions doped lithium zinc borate glasses

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Effect of immersion liquids on physical properties of Pr³⁺-ions doped lithium zinc borate glasses