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Akademický článek

Collective Optical, FTIR, and Photoluminescence Spectra of CeO2 and/or Sm2O3-Doped Na2O–ZnO–P2O5 Glasses

Autor: M. A. Marzouk, H. A. ElBatal, Y. M. Hamdy, F. M. Ezz-Eldin

Publikováno v: International Journal of Optics, Vol 2019 (2019)

Glasses with the Na2O–ZnO–P2O5 composition and doped with single CeO2, Sm2O3, or mixed dopants were melted and studied. Collective optical, photoluminescence, and FT-infrared spectral studies were carried out. CeO2-doped glasses show two extra UV

Externí odkaz: https://doaj.org/article/e668b5f7e14b48fd82af8468bb81b93a

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Effect of CuO doping on structural features, optical absorption and photoluminescence behavior of ZnO-based glasses

Autor: S. Ibrahim, Y. M. Hamdy, H. Darwish, A. A. Ali

Publikováno v: Journal of Materials Science: Materials in Electronics. 34

Glasses composed of ZnO–SiO2–B2O3–In2O3 with the addition of different content of CuO were prepared by a popular melt–quenching methodology. The effect of the addition of copper oxide in the glass network was investigated using density, FTIR

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a01390d54346066a5b10762aa5ae6e17
https://doi.org/10.1007/s10854-023-10270-8

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Behavior of bismuth ions in the two glassy systems of 50 LiF-50 P2O5 and 50 LiF-50 B2O3 (mol %) assessed by optical, FTIR and photoluminescence spectra in addition to thermal expansion properties

Autor: F. H. ElBatal, M. A. Marzouk, H. A. ElBatal, Y. M. Hamdy

Publikováno v: Optical and Quantum Electronics. 55

Glasses from two varieties of (LiF-B2O3) and (LiF-P2O5) systems with equal 50 mol % for each partner together with samples doped with 1 or 2% Bi2O3 were synthesized by melting–annealing mechanism. Multiple optical, FTIR and photoluminescence spectr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a626b7b6dc075241e5ae0328a6aceffd
https://doi.org/10.1007/s11082-022-04475-0

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Effect of melting condition on optical, FTIR and E.S.R properties of irradiated fluorophosphate glasses containing vanadium ions

Autor: Hatem A. ElBatal, Fatma H. ElBatal, Y. M. Hamdy, F.M. EzzElDin, M.A. Azooz

Publikováno v: Journal of Materials Science: Materials in Electronics. 32:8418-8428

Glasses from the system Na2O–CaF2–P2O5 with varying doping V2O5 (0.5, 0.75, 1%) were prepared under ordinary and reducing conditions. Multiple Characterizations including optical, FTIR and ESR spectral data were obtained for the prepared glasses

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9395f523f96cac3691d7ece86eea58ae
https://doi.org/10.1007/s10854-021-05450-3

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Study on the reducing effect of γ-irradiation on Sm3+ doped LiAl fluorophosphate glasses through optical, structural and luminescence analysis

Autor: F. M. Ezz-Eldin, Mohamed A. Marzouk, Y. M. Hamdy, Hatem A. ElBatal

Publikováno v: Journal of Materials Science: Materials in Electronics. 29:1399-1411

Undoped and (0.2, 0.5, 1, 3%) Sm2O3-dopants within host LiAl fluorophosphate glasses of the basic composition mol% (P2O5 70, LiF 20, AlF3 10) were prepared. The glasses were characterized by studying their optical, FT infrared and photoluminescence s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::867bdbf46058fd3ce782557ef72517fa
https://doi.org/10.1007/s10854-017-8047-3

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Optical and FT Infrared Absorption Spectra of 3d Transition Metal Ions Doped in NaF-CaF2-B2O3 Glass and Effects of Gamma Irradiation

Autor: M. A. Marzouk, Y. M. Hamdy, H. A. ElBatal, F. H. A. Elbatal

Publikováno v: Journal of Solid State Physics. 2014:1-8

Combined optical and FTIR spectroscopy has been employed to investigate the undoped NaF-CaF2-B2O3 glass together with samples containing 0.2% dopant of 3d TM ions before and after gamma irradiation. The optical spectrum of the undoped glass reveals s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af8d067af8fdcb0377508e9ca154e353
https://doi.org/10.1155/2014/389543

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Optical and structural properties of WO3-doped silicophosphate glasses for gamma-ray applications

Autor: Y. M. Hamdy, Hatem A. ElBatal, Mohamed A. Marzouk

Publikováno v: Journal of Molecular Structure. :227-232

Optical and FTIR spectral measurements were carried out for prepared base undoped sodium silicophosphate glass together with samples of the same composition containing (0.5%, 0.75%, 1% and 1.25%) WO3 in order to characterize the valence states of tun

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2c6dc6b51e2ea7dcd6e789727e670881
https://doi.org/10.1016/j.molstruc.2013.10.039

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Cytotoxic Effect of Paclitaxel Incorporated in Nanoparticles Based on Lactic and Glycolic Acid Copolymer

Autor: Y. M. Hamdy, E. A. Oganesyan, Renad N. Alyautdin, V. Bojat, V. Yu. Balaban’yan, D. S. Baranov

Publikováno v: Bulletin of Experimental Biology and Medicine. 151:340-343

Paclitaxel dosage form on nanoparticles of 200-300 nm based on lactic and glycolic acid copolymer was obtained by the co-precipitation method. The possibility of controlled release of paclitaxel at pH 7.4 for 24 h was studied in vitro. Studies on Jur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0806109366b38168c81c9f1233fb3baf
https://doi.org/10.1007/s10517-011-1325-9

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