Nada Alfryyan, Norah A. M. Alsaif, Hanan Al-Ghamdi, A. S. Abouhaswa, M. S. Sadeq, A. M. Abdelghany, S. M. Kotb, S. Talaat, Y. S. Rammah
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引用次数: 0
Abstract
PrZn-glasses were synthesized with nominal compositions of (60-x)B2O3 + 24.5BaF + 0.5PrO + 15NaO + xZnO: x = 0 (PrZn0)–10(PrZn10). Physical, linear/nonlinear optical characteristics as well as γ-ray protection competence of the prepared glasses have been investigated. The density changed from 3.31 to 3.61 3.31 g/cm3, while the molar volume (Vm) reduced from 29.95 g/mol of PrZn0 sample to 27.80 g/mol for samples PrZn0 and PrZn10. UV–Vis measurements of the proposed glasses showed that the absorption bands corresponding to 445, 469, 483, and 589 nm are correlated to electronic transitions of 3H4 → 3P2, 3H4 → 3P1, 3H4 → 3P0, and 3H4 → 1D2 exciting levels. The optical energy gap (Eg) for PrZn0 sample was 2.864 eV, while for PrZn10 sample was 2.693 eV. The values of n were increased gradually with ZnO additives. Molar refraction (Rm), electronic polarizability (αm), reflection loss (RL) and optical transmission (T) changed significantly as ZnO ratios changed in the glass networks. The sample PrZn10 possessed the maximum mass-attenuation coefficient (MAC). The linear-attenuation (LAC) values differed from (86.050 to 111.546) cm−1 (at 0.015 MeV) and from (0.094 to 0.106) cm−1 (at 15 MeV) for PrZn0 and PrZn10 samples. The half- value layers (HVLs) of the suggested glasses were less than values of others (ordinary concrete and glasses). Therefore, the suggested glasses in the present work can be applied in optical application and as γ-ray attenuation materials.
期刊介绍:
Optical and Quantum Electronics provides an international forum for the publication of original research papers, tutorial reviews and letters in such fields as optical physics, optical engineering and optoelectronics. Special issues are published on topics of current interest.
Optical and Quantum Electronics is published monthly. It is concerned with the technology and physics of optical systems, components and devices, i.e., with topics such as: optical fibres; semiconductor lasers and LEDs; light detection and imaging devices; nanophotonics; photonic integration and optoelectronic integrated circuits; silicon photonics; displays; optical communications from devices to systems; materials for photonics (e.g. semiconductors, glasses, graphene); the physics and simulation of optical devices and systems; nanotechnologies in photonics (including engineered nano-structures such as photonic crystals, sub-wavelength photonic structures, metamaterials, and plasmonics); advanced quantum and optoelectronic applications (e.g. quantum computing, memory and communications, quantum sensing and quantum dots); photonic sensors and bio-sensors; Terahertz phenomena; non-linear optics and ultrafast phenomena; green photonics.