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| 1 | Structural studies of BaTiO_3:Er^(3+) and BaTiO_3:Yb^(3+) powders synthesized by hydrothermal method显示文摘Erbium and ytterbium doped barium titanate nanopowders were prepared using the hydrothermal method. A barium titanate structure doped with rare earth ions manifested new characteristics and improved the field of application of optical devices such as trichromatic tubes, LCD displays, lamps, and infrared lasers. In this work, BaTiO3:Er3+ and BaTiO3:Yb3+ were prepared using barium chloride [BaCl2], titanium butoxide [C16H36O4Ti], erbium chloride [ErCl3] and ytterbium chloride [YbCl3] as precursors. Anhydrous methanol was employed as a solvent. Metallic potassium was used to promote solubility in the system and increase the pH to 13. This method yielded the formation of a predominantly cubic structure in both Er3+ and Yb3+ doped BaTiO3 powders. Characteristic bondings of BaTiO3 were observed with FT-IR spectroscopy. The predominantly cubic structure was confirmed by X-ray diffraction and micro-Raman analyses. The particle size(~30 nm) was estimated using the Scherrer equation and X-ray diffraction data. The results were presented and discussed. | Garrido-Hernández A García-Murillo A Carrillo-Romo F de J Cruz-Santiago L A Chadeyron G Morales-Ramírez A de J Velumani S | 2014 | Journal of Rare Earths2014,32,11: | 3 |
| 2 | Hydrothermal Synthesis and Characterization of Europium-doped Barium Titanate Nanocrystallites显示文摘Barium titanate nanocrystallites were synthesized by a hydrothermal technique from barium chloride and tetrabutyl titanate. Single-crystalline cubic perovskite Ba TiO_3 consisting of spherical particles with diameters ranging from 10 to 30 nm was easily achieved by this route. In order to study the influence of the synthesis process on the morphology and the optical properties, barium titanate was also prepared by a solid-state reaction. In this case, only the tetragonal phase which crystallizes above 900 was observed. High-temperature X-ray diffraction measurements were performed to investigate the crystallization temperatures as well as the particle sizes via the Scherrer formula. The lattice vibrations were evidenced by infrared spectroscopy. Eu^(3+)was used as a structural probe, and the luminescence properties recorded from Ba TiO_3 :Eu^(3+)and elaborated by a solid-state reaction and hydrothermal process were compared. The reddish emission of the europium is increased by the nanometric particles. | Margarita García-Hernndez Geneviève Chadeyron Damien Boyer Antonieta García-Murillo Felipe Carrillo-Romo Rachid Mahiou | 2013 | Nano-Micro Letters2013,5,1: | 3 |
| 3 | Structural, morphological and optical investigations on BaMgAlt0Oi7:Eu2 elaborated by a microwave induced solution combustion synthesis 显示文摘 | Pradal N Potdevin A Chadeyron G | 2011 | Materials Re- search Bulletin2011,46,4: | 1 |
| 4 | Revised Structure of the Orthoborate YBO 3显示文摘 | G. Chadeyron M. El-Ghozzi R. Mahiou A. Arbus J.C. Cousseins | 1997 | Journal of Solid State Chemistry1997,,: | 1 |
| 5 | High temperature thermal and mechanical properties of high tensile carbon single filaments显示文摘 | M. Trinquecoste J.L. Carlier A. Derré P. Delhaès P. Chadeyron | 1991 | Carbon1991,,7: | 1 |
| 6 | Influence of a chelating agent on optical and morphological properties of YAG:Tb3+ phosphors prepared by the sol-gel process显示文摘 | POTDEVIN A CHADEYRON G BDYER D | 2006 | J Sol-Gel Sci Technol2006,39,: | 1 |
| 7 | Comparison of yttrium polyphosphate Y(PO 3 ) 3 prepared by sol–gel process and solid state synthesis显示文摘 | S. Briche D. Zambon G. Chadeyron D. Boyer M. Dubois R. Mahiou | 2010 | Journal of Sol-Gel Science and Technology2010,,1: | 1 |
| 8 | Revised Structure of the Orthoborate YBO3 显示文摘 | Chadeyron G El-ghozzi R Mahiou M | 1997 | J Solid Chem1997,128,: | 1 |
| 9 | Luminescence of the orthoborate YBO3 : Eu^3+ 显示文摘 | Chadeyron G Mahiou R Arbus A a al | 1997 | Relationship with Crystal Structure J Lumin1997,7274,: | 1 |
| 10 | Room temperature photon avalanche in Ho^3+ doped YAG, YAP, YLF and ZBLAN 显示文摘 | Malinowski M Wnuk A Frukaczb Z Chadeyron G Mahiou R Guy S Joubert M F | 2001 | Journal of Alloys and Compounds2001,323,: | 1 |
| 11 | Luminescence of the orthoborate YBO3 : Eu^3+ relationship with crystal structure显示文摘 | Chadeyron G Mahiou R EI-Ghozzi M | 1997 | Journal of Luminescence1997,7274,: | 1 |
| 12 | Revised structure of the orthoborate YBO3显示文摘 | Chadeyron G El-Ghozzi M Mahiou R | 1997 | Journal of Solid State Chemistry1997,128,: | 1 |
| 13 | Optical characteristics of Y3BO6 activated by Eu^3+ 显示文摘 | Chadeyron G Nahiou R Arbus A | 1997 | Eur J Solid State Inorg chem1997,34,: | 1 |
| 14 | Sol-gel based YAG Ce3+ powders for applications in LED devices显示文摘 | Potdevin A Chadeyron G Boyer D | 2007 | Physica Sta- tus Solidi(c)2007,4,1: | 1 |
| 15 | Structural and optical characterizations of YAG∶Eu3+ elaborated by the sol-gel process显示文摘 | Genevieve Bertrand Chadeyron Rachid Mahiou | 2004 | Optical Materials2004,26,: | 1 |
| 16 | Revised structure of the orthoborate YBO3显示文摘 | Chadeyron G El Ghozzi M Mahiou R Arbus A | 1997 | J Solid State Chem1997,128,2: | 1 |