Search Results - "Lakshminarayana, G."

X-ray photoelectron spectroscopy (XPS) and radiation shielding parameters investigations for zinc molybdenum borotellurite glasses containing different network modifiers by Lakshminarayana, G., Baki, S. O., Lira, A., Sayyed, M. I., Kityk, I. V., Halimah, M. K., Mahdi, M. A.

“…Zinc molybdenum borotellurite glasses containing different network modifiers with the nominal composition of 60 TeO 2 –10 B 2 O 3 –10 MoO 3 –10 ZnO–10 MO…”
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Photoluminescence Investigation on Green-Emitting Tb3+-Doped BaLa2ZnO5 Nanophosphors by Singh, Vijay, Lakshminarayana, G., Wagh, Akshatha

“…The authors investigated a series of BaLa 2 ZnO 5 :Tb 3+ phosphors synthesized successfully through a Pechini type of sol–gel technique. X-ray diffraction…”
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B2O3–Bi2O3–TeO2–BaO and TeO2–Bi2O3–BaO glass systems: a comparative assessment of gamma-ray and fast and thermal neutron attenuation aspects by Lakshminarayana, G., Dong, M. G., Al-Buriahi, M. S., Kumar, Ashok, Lee, Dong-Eun, Yoon, Jonghun, Park, Taejoon

“…For Pb-free 35B 2 O 3 ‒35Bi 2 O 3 ‒(30– x )TeO 2 ‒( x )BaO ( x  = 5, 10, 15, 20, and 25 mol%) and (90– x )TeO 2 ‒10Bi 2 O 3 ‒( x )BaO ( x  = 10, 15, and…”
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Evaluation of physical, structural properties and shielding parameters for K2O–WO3–TeO2 glasses for gamma ray shielding applications by Çelikbilek Ersundu, M., Ersundu, A.E., Sayyed, M.I., Lakshminarayana, G., Aydin, S.

“…In the present work, a series of ternary glasses in the K2O–WO3–TeO2 system have been synthesized by conventional melt quenching technique. Glass formation…”
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Photoluminescence of Pr3+, Sm3+ and Dy3+: SiO2―Al2O3―LiF―GdF3 glass ceramics and Sm3+, Dy3+: GeO2―B2O3―ZnO―LaF3 glasses by LAKSHMINARAYANA, G, JIANRONG QIU

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Investigation of gamma radiation shielding properties of lithium zinc bismuth borate glasses using XCOM program and MCNP5 code by Dong, M.G., Sayyed, M.I., Lakshminarayana, G., Çelikbilek Ersundu, M., Ersundu, A.E., Nayar, Priyanka, Mahdi, M.A.

“…In this work, we examined the usefulness of the lithium zinc bismuth borate glass systems for various radiation shielding applications and for this purpose,…”
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Estimation of gamma-rays, and fast and the thermal neutrons attenuation characteristics for bismuth tellurite and bismuth boro-tellurite glass systems by Lakshminarayana, G., Kebaili, Imen, Dong, M. G., Al-Buriahi, M. S., Dahshan, A., Kityk, I. V., Lee, Dong-Eun, Yoon, Jonghun, Park, Taejoon

“…Gamma-rays and fast and thermal neutron attenuation features of (Bi 2 O 3 ) x –(TeO 2 ) (100− x ) (where x  = 5, 8, 10, 12, and 15 mol%) and [(TeO 2 ) 0.7 –(B…”
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Evaluation of shielding parameters for heavy metal fluoride based tellurite-rich glasses for gamma ray shielding applications by Sayyed, M.I., Lakshminarayana, G., Kityk, I.V., Mahdi, M.A.

“…In this work, we have evaluated the γ-ray shielding parameters such as mass attenuation coefficient (μ/ρ), effective atomic number (Zeff), half value layer…”
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Photoluminescence of Pr, Sm and Dy: SiO2-Al2O3-LiF-GdF3 glass ceramics and Sm, Dy: GeO2-B2O3-ZnO-LaF3 glasses by Lakshminarayana, G, Qiu, Jianrong

“…In this paper, we present the absorption and photoluminescence properties of Pr3+, Sm3+ and Dy3+-doped transparent oxyfluoride alumino-silicate glass ceramics…”
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Comparative investigations of gamma and neutron radiation shielding parameters for different borate and tellurite glass systems using WinXCom program and MCNPX code by Sayyed, M.I., Dong, M.G., Tekin, H.O., Lakshminarayana, G., Mahdi, M.A.

“…In the present article, for different chemical compositions of B2O3‒Bi2O3, B2O3‒Sb2O3, B2O3‒WO3‒La2O3, B2O3‒MoO3‒ZnO, and TeO2‒MO (M = Mg, Ba, and Zn) glasses,…”
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Near-infrared quantum cutting in RE3+/Yb3+ (RE = Pr, Tb, and Tm): GeO2―B2O3―ZnO―LaF3 glasses via downconversion by LAKSHMINARAYANA, G, JIANRONG QIU

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Thermal, structural and optical behaviour of Eu3+ ions in Zinc Alumino Boro-Silicate glasses for bright red emissions by Monisha, M., Murari, M.S., Sayyed, M.I., Al-Ghamdi, Hanan, Almuqrin, Aljawhara H., Lakshminarayana, G., Kamath, Sudha D.

“…In present work we report the thermal, structural and optical behaviour of 20SiO2-(20-x) B2O3–10Al2O3–10ZnO–30NaF–10ZnF2-xEu2O3 glass system where Eu2O3 ions…”
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Thermal, linear and nonlinear optical properties of PVA/PVP/PEG blends loaded with nanovanadium-doped nano tin disulfide by El-naggar, A. M., Heiba, Zein K., Mohamed, Mohamed Bakr, Kamal, A. M., Lakshminarayana, G.

“…Nanocomposite PVA/PEG/PVP/SnS 2 /V films were created via thermolysis and casting procedures. X-ray diffraction and scanning electron microscope devices were…”
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Pr3+-doped CeF3 crystals: Analysis of optical traits and fluorescence from Pr3+: 1D2 level for visible and near-infrared lasers by Zheng, Longxing, Wang, Yan, Yang, Jiaxue, Zhu, Zhaojie, You, Zhenyu, Li, Jianfu, Lakshminarayana, G., Tu, Chaoyang

“…[Display omitted] •The CeF3 crystals doped with different Pr3+ ion concentrations were grown by the Bridgman-Stockbarger method.•The fluorescence concentration…”
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The bulk crystal growth and yellow–orange spectral performances of Pr3+: BaF2 and Pr3+/RE3+(RE3+ = Gd3+, Y3+, Lu3+, Ce3+): BaF2 crystals by Le, Xuxing, Zheng, Longxing, Wang, Yan, Zhu, Zhaojie, Li, Jianfu, Wang, Hongyan, Lakshminarayana, G., Tu, Chaoyang

“…In this study, we synthesized Pr 3+ :BaF 2 and Pr 3+ /RE 3+ (RE = Gd, Y, Lu, Ce) co-doped BaF 2 crystals, exploring their novel spectral properties through…”
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Photoluminescence of Pr, Sm and Dy-doped SiO2-Al2O3-BaF2-GdF3 glasses by Lakshminarayana, G, Qiu, Jianrong

“…In this paper, we present the photoluminescence properties of Pr3+, Sm3+ and Dy3+-doped transparent oxyfluoride alumino-silicate glasses. These glasses have…”
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Analysis of fluorescence characteristics of Sm3+-doped B2O3-rich glasses for Orange-light-emitting diodes by Lakshminarayana, G., Meza-Rocha, A.N., Soriano-Romero, O., Huerta, E.F., Caldiño, U., Lira, A., Lee, Dong-Eun, Yoon, Jonghun, Park, Taejoon

“…•Visible luminescence characteristics of Sm3+-doped borate-rich glasses are evaluated.•Sm3+: Li glass exhibits the highest emissions band intensity among all…”
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Exploration of gamma radiation shielding features for titanate bismuth borotellurite glasses using relevant software program and Monte Carlo simulation code by Lakshminarayana, G., Kumar, Ashok, Dong, M.G., Sayyed, M.I., Long, Nguyen Viet, Mahdi, M.A.

“…In this work, gamma radiation shielding parameters for six titanate bismuth borotellurite glasses were investigated. The mass attenuation coefficients (μ/ρ)…”
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PVA/PVP/PEG polymeric blend loaded with nano-Zn0.75−xFexCd0.25S: effect of iron concentration on the optical characteristics by El-naggar, A. M., Heiba, Zein K., Mohamed, Mohamed Bakr, Kamal, A. M., Lakshminarayana, G.

“…Poly(vinyl alcohol)/poly(ethylene glycol)/polyvinyl pyrrolidone blend loaded with nano-(Zn 0.75− x Fe x Cd 0.25 S) was formed by thermolysis and casting…”
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Elucidating the Infrared Spectral Properties of Succinic Molecular Acid Crystals: Illustration of the Structure and the Hydrogen Bond Energies of the Crystal and Its Deuterated Analogs by Hołaj-Krzak, Jakub T., Rekik, Najeh, Alsaif, Norah A. M., Lakshminarayana, G.

“…Herein, the infrared spectroscopic properties of molecular succinic acid crystals (SA) and their four isotopic analogs [C2H4(COOH)2, h 6-SA; C2H4(COOD)2, d…”
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