Zobrazeno 1 - 10
of 39
pro vyhledávání: '"C. Le Luyer"'
Autor:
J. Ramírez Salgado, J. Moreno Palmerin, A. de J. Morales Ramírez, F. de J. Carrillo Romo, Damien Boyer, Geneviève Chadeyron, C. Le Luyer, A. García Murillo
Publikováno v:
Thin Solid Films. 517:6753-6758
Eu3+ (2.5 at.%) and Tb3+ (0.005–0.01 at.%) co-doped gadolinium and yttrium oxide (Gd2O3 and Y2O3) powders and films have been prepared using the sol–gel process. High density and optical quality thin films were prepared with the dip-coating techn
Autor:
J. Moreno Palmerin, A. de J. Morales Ramírez, M. García Hernández, A. García Murillo, F. de J. Carrillo Romo, C. Le Luyer
Publikováno v:
Journal of Sol-Gel Science and Technology. 50:359-367
Europium actived Lu2O3 sol–gel transparent and crack free films were deposited by dipping on silica substrates. The film microstructure was studied by waveguide Raman spectroscopy (WRS) with annealing temperatures from 400 up to 1,000 °C and X-ray
Publikováno v:
Optical Materials. 27:1541-1546
Rare-earth-doped SrHfO3 has recently received great attention due to its potentiality as scintillating material. In this study, cerium (1 mol%)-doped strontium hafnate powders are elaborated using the sol–gel process. Different strontium/hafnium mo
Autor:
Christophe Dujardin, Jacques Mugnier, C. Le Luyer, A.G. Murrillo, C. Pedrini, T. Martin, C. Martinet, C. Garapon
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 537:237-241
We present here the progress on thin scintillating films of Lu2O3 and Gd2O3 doped with Eu3+ ions deposited on various substrates. Pulsed Laser Deposition (PLD) as well as sol–gel processes are used. Properties and performances of the different film
Publikováno v:
Materials Science and Engineering: B. 105:12-15
Hafnium dioxide (HfO2) presents a high crystalline density (≈10 g/cm3) which makes it attractive for host lattice activated by rare earths (RE) for applications as scintillating materials. The potentiality to prepare Eu3+ and Tb3+ activated HfO2 so
Publikováno v:
Optical Materials. 24:51-57
Powders and waveguiding films of europium-doped hafnium oxide (Eu3+:HfO2) are prepared by a sol–gel process. The material is synthesized using hafnium tetra-ethoxide and europium (III) nitrate pentahydrate which are dissolved in ethanol and mixed w
Publikováno v:
Materials Chemistry and Physics. 80:490-495
ZnO waveguiding layers deposited onto soda lime glass were produced from the thermal oxidation of ZnS thin films elaborated by a carefully conducted chemical bath deposition (CBD) method. X-ray diffraction indicated that ZnO films possessing a polycr
Publikováno v:
Journal of Raman Spectroscopy. 34:234-239
Gadolinium oxide films, prepared by the sol–gel process, present waveguiding properties. Their structures were studied by waveguide Raman spectroscopy (WRS) and confirmed using transmission electron microscopy (TEM). The structural evolution of the
Autor:
Jacques Mugnier, C. Pedrini, C. Le Luyer, T. Martin, C. Garapon, Christophe Dujardin, A Garcı́a-Murillo
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 486:181-185
High-resolution X-rays imaging requires thin films of dense materials with high light yield under X-ray excitation. Polycrystalline films of europium-doped gadolinium and lutetium oxide have been prepared by sol–gel method. The scintillation perfor
Autor:
Christophe Dujardin, Jacques Mugnier, C. Le Luyer, C. Garapon, A Garcı́a-Murillo, E. Bernstein, C. Pedrini
Publikováno v:
Optical Materials. 19:161-168
Recently, there has been a growth of interest in the preparation of new phosphor films for high-resolution X-ray imaging systems. Europium activated gadolinium oxide is very interesting because of its scintillation properties especially as a red comp