Investigations of mechanical and radiation shielding properties of BaTiO3-modified cadmium alkali borate glass

Saddeek, Yasser B.; Zakaly, Hesham M. H.; Sekhar, K. Chandra; Issa, Shams A.M.; Alharbi, T.; Badawi, Ali; Shareefuddin, Md.

doi:10.1007/s00339-022-05413-3

Cited by 31 publications

(4 citation statements)

References 45 publications

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“…The Makishima-Mackenzie (M-M) model was utilized to analyze the relationship between composition variations and corresponding structural changes for the 60B 2 O 3 +(30-x)BaO+10SiO 2 glasses after doping with xDy 2 O 3 with different concentrations [34,35]. The mechanical characteristics of the prepared glasses were studied using the dissociation energy per unit volume (Gi) and the packing density factor (Vp) of glass oxides, as shown by the (M-M) model.…”

Section: Mechanical Properties (M-m Model)mentioning

confidence: 99%

Elucidating the impact of Dy₂O₃ substitution on structure, optical, photoluminescence and mechanical properties of borosilicate glass

Abouhaswa,

Abomostafa,

Nasr

et al. 2024

Phys. Scr.

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This work aims to investigate the changes in characteristics seen in the composition 60B2O3+ (30-x) BaO+10SiO2 +xDy2O3 where x is 0.0, 1.0, 2.0, and 3.0 mole% glass samples. Melt-quenching technique was used to prepare the glass samples. A variety of analytical techniques were employed to characterize the prepared glasses, such as X-ray, Raman, photoluminescence, and UV-Vis-NIR spectroscopy. XRD spectra verified the glassy nature. The glasses' compactness was studied using structural properties such as density, molar volume, and oxygen packing density. Glass absorption spectra showed eleven distinct peaks in the range 300–2000 nm, resulting from Dy3+ electronic transitions. Urbach energy, refractive index, and optical band gap energy were determined. The optical parameters, such as molar refraction, molar polarizability, reflection loss, optical transmission, metallization, and optical electronegativity, were estimated. The photoluminescence spectra revealed five distinct peaks in the 400–750 nm wavelength range under excitation at 325 nm. Makishima-Mackenzie's (M-M) method was used to determine mechanical parameters such as elastic moduli, Poisson's ratio, and hardness, and it was found that these properties decreased with increasing Dy2O3 concentration. 

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Section: Mechanical Properties (M-m Model)mentioning

confidence: 99%

Elucidating the impact of Dy₂O₃ substitution on structure, optical, photoluminescence and mechanical properties of borosilicate glass

Abouhaswa,

Abomostafa,

Nasr

et al. 2024

Phys. Scr.

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“…because of its high dielectric constant, good ferroelectric properties, and significant optoelectronic properties [1][2][3][4][5]. Additionally, BaTiO 3 is commonly used multilayer ceramic capacitor (MLCC) fabrication [6,7], homographic memories [8], waveguide modulators [9,10], IR detectors [11] and gate dielectrics [12]. Barium titanate (BT) is a member of the perovskite ABO 3 structure, where Ba 2+ occupies the corner A-site, Ti 4+ occupies the centre B site, and O 2− occupies the face centre.…”

Section: Introductionmentioning

confidence: 99%

Effect of Gamma Irradiation on the Structural, Optical, Electrical, and Ferroelectric Characterizations of Bismuth-Modified Barium Titanate Ceramics

2022

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Materials with ferroelectric properties, low bandgap energies, high polarization, low loss, and thermal stability are essential for future solar-cell applications. Researchers have attempted to obtain such materials by using several approaches. In this vein, a novel approach is reported in this work using gamma ray irradiation. The effect of gamma radiation on the structural, optical, and ferroelectric characterizations of bismuth (Bi)-doped barium titanate (BaTiO3 (BT)), namely Ba0.95Bi0.05TiO3 ceramics (abbreviated as (Bi:BT)), was investigated. X-ray diffraction, structure refinement, and Raman study revealed the presence of a perovskite structure with a tetragonal phase in all investigated samples. Morphological study revealed a nonuniform grain size and some porosity. Gamma irradiation-induced combined effects were proved by a detailed analysis of bond lengths, bond angles, octahedral distortions, oxygen vacancies, and charge compensations. Electron paramagnetic resonance (EPR) study gave direct evidence of oxygen vacancies in the irradiated samples. After gamma irradiation, UV–vis study indicated a decrease in the bandgap from 3.14 to 2.80 eV and a significant increase in visible light absorption. Cole–Cole plots confirm as an increase in gamma-ray dose results in higher levels of electron hopping. Study of the P–E hysteresis loop demonstrated that ferroelectric properties could be maintained after gamma irradiation, with a slight decrease in remnant polarization. The behaviour of the P–E was correlated with increasing gamma dose in the investigated ceramics, demonstrating a strong gamma dependence in the loops’ profile. We guess that the present approach may be a promising technique for enhancing the multifunctionality of electronic devices.

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“…Barium titanate-based glasses are promising materials due to their unique and distinctive structural, optical, and electrical properties which make them good candidates in many modern applications such as sensors and transducers, electronics, bioactive materials, non-linear optical devices, and reversible electrodes [14,15]. The incorporation of barium titanate with any glass former helps to form a homogeneous glass matrix and enhances the radiation shielding properties of this matrix [16]. Glasses containing rare earth elements as luminescent centers are considered as an important class of photonic materials due to their unique and distinct spectroscopic properties resulting from f-f transitions in the visible and near to mid IR spectral ranges [17,18].…”

Section: Introductionmentioning

confidence: 99%

Structural and optical properties of barium titanium borate glasses doped with ytterbium

Marzouk

Azooz

Elsaghier

et al. 2022

J Mater Sci: Mater Electron

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Barium titanium borate glasses doped with ytterbium ions were fabricated via standard melt quenching technique. The building structure of the glass matrices doped with ascendant ratios of ytterbium ions were studied using Raman and FTIR spectroscopies. The UV–Vis–NIR optical absorption spectra were investigated and used to calculate optical bandgaps, Urbach energies, refractive indices, metallization criterion, optical basicity, and dispersion parameters. The absorption and emission cross-sections and gain spectra for 2F5/2 → 2F7/2 transition of ytterbium ions were investigated. The high values of the emission cross-sections of the studied glasses make them strong candidates for laser and amplifier applications.

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Investigations of mechanical and radiation shielding properties of BaTiO3-modified cadmium alkali borate glass

Cited by 31 publications

References 45 publications

Elucidating the impact of Dy₂O₃ substitution on structure, optical, photoluminescence and mechanical properties of borosilicate glass

Elucidating the impact of Dy₂O₃ substitution on structure, optical, photoluminescence and mechanical properties of borosilicate glass

Effect of Gamma Irradiation on the Structural, Optical, Electrical, and Ferroelectric Characterizations of Bismuth-Modified Barium Titanate Ceramics

Structural and optical properties of barium titanium borate glasses doped with ytterbium

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Investigations of mechanical and radiation shielding properties of BaTiO3-modified cadmium alkali borate glass

Cited by 31 publications

References 45 publications

Elucidating the impact of Dy2O3 substitution on structure, optical, photoluminescence and mechanical properties of borosilicate glass

Elucidating the impact of Dy2O3 substitution on structure, optical, photoluminescence and mechanical properties of borosilicate glass

Effect of Gamma Irradiation on the Structural, Optical, Electrical, and Ferroelectric Characterizations of Bismuth-Modified Barium Titanate Ceramics

Structural and optical properties of barium titanium borate glasses doped with ytterbium

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Elucidating the impact of Dy₂O₃ substitution on structure, optical, photoluminescence and mechanical properties of borosilicate glass

Elucidating the impact of Dy₂O₃ substitution on structure, optical, photoluminescence and mechanical properties of borosilicate glass