Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Mohamed Atta Khedr"'
Publikováno v:
Scientific Reports, Vol 10, Iss 1, Pp 1-14 (2020)
Abstract The phase stability and microstructure of ZrO2–5CaO and ZrO2–24MgO mixed coating (wt%) by air plasma spraying on 304 stainless steel substrates were investigated. A Ni–5Al (wt%) metallic bond coating was firstly sprayed between the sub
Externí odkaz:
https://doaj.org/article/4160b2fdc4b14b788bfb1ac12bfb2666
Autor:
Hanan Ali, Mohamed Atta Khedr
Publikováno v:
Results in Physics, Vol 12, Iss , Pp 1777-1782 (2019)
This work reports on the optical response of Ce and Sm co-doped in YAG nanocrystals prepared by co-precipitation method. The X-ray diffraction (XRD) and scanning electron microscope (SEM) evidenced the preparation of (Ce, Sm) co-doped YAG nanocrystal
Externí odkaz:
https://doaj.org/article/d5f953a5cb244505b3d6a7f117d4a538
Publikováno v:
Ferroelectrics. 598:118-134
Autor:
Hanan Ali, P. Masschelein, P. Pigeat, A. Dauscher, H. Rinnert, D. Horwat, Mohamed Atta Khedr, Alaa E. Giba
Publikováno v:
Journal of the Korean Ceramic Society. 59:679-685
Autor:
Mohamed Atta Khedr, Hanan Ali
Publikováno v:
Results in Physics, Vol 12, Iss, Pp 1777-1782 (2019)
This work reports on the optical response of Ce and Sm co-doped in YAG nanocrystals prepared by co-precipitation method. The X-ray diffraction (XRD) and scanning electron microscope (SEM) evidenced the preparation of (Ce, Sm) co-doped YAG nanocrystal
Publikováno v:
Optik. 172:340-346
A pulsed doubly resonant LiB3O5 (LBO) optical parametric oscillator design (OPO) at degenerate case pumped with a frequency doubled Q-switched Nd: YAG laser was built-up. The LBO crystal was designed for collinear phasematching. The threshold power d
Publikováno v:
Scientific Reports
Scientific Reports, Vol 10, Iss 1, Pp 1-14 (2020)
Scientific Reports, Vol 10, Iss 1, Pp 1-14 (2020)
The phase stability and microstructure of ZrO2–5CaO and ZrO2–24MgO mixed coating (wt%) by air plasma spraying on 304 stainless steel substrates were investigated. A Ni–5Al (wt%) metallic bond coating was firstly sprayed between the substrate an
Autor:
Mohamed Atta Khedr, Alaa E. Giba, Hanan Ali, Philippe Pigeat, David Horwat, Hervé Rinnert, P. Masschelein, A. Dauscher, Stéphanie Bruyère
Publikováno v:
Optics and Laser Technology
Optics and Laser Technology, Elsevier, 2021, 142, pp.107223. ⟨10.1016/j.optlastec.2021.107223⟩
Optics and Laser Technology, Elsevier, 2021, 142, pp.107223. ⟨10.1016/j.optlastec.2021.107223⟩
This work reports, for first time, on optically-driven white light emission from samarium-doped yttrium aluminum garnet ceramic, Sm-doped YAG. Nanocrystalline Sm-doped YAG sample has been prepared via co-precipitation method then transformed to bulk
Publikováno v:
Journal of Luminescence. 192:949-956
Eu3+ ions were successfully doped in two restricted matrices; Silica sol-gel matrix and silica-ethylene glycol (EG) hybrid matrix (modified sol-gel matrix) with different concentrations to produce transparent silica xerogel Eu samples having no crack
Publikováno v:
Optik. 218:165106
This work reports on the synthesis of samarium-doped yttrium aluminum garnet nanocrystals via co-precipitation method. The effect of calcination temperature on the formation of the crystalline phase of the prepared powder has been studied. The as-pre