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Artigos Publicados – Profº Sidney J. L. Ribeiro (Professor Pesquisador) 1 MORAIS, E A, SCALVI, L V A, GERALDO, V, SCALVI, R M F, RIBEIRO, S. J. L., SANTILLI, Celso Valentin, PULCINELLI, Sandra Helena Electro-optical properties of Er-doped SnO2 thin films. Journal of the European Ceramic Society. , v.24, n.6, p.1857 - 1860, 2004. 2 GONÇALVES, Rogéria Rocha, CARTURAM, G Iovanni, MONTAGNA, Maurizio, FERRARI, Maurizio, ZAMPEDRI, Luca, PELLI, Steffano, RIGHINI, Giancarlo C, RIBEIRO, S. J. L., MESSADDEQ, Younes Erbium-activated HfO2-based waveguides for photonics. Optical Materials. , v.25, n.2, p.131 - 139, 2004. 3 RIBEIRO, S. J. L., TAMBELLI, C. C., DONOSO, J. P, MAGON, C. J., A.BUENO, Luciano, MESSADDEQ, Y., OLIVEIRA, L. F. C., KOSACKI, I Glass structure and ion dynamics of lead-cadmium fluorgermanate glasses.. Journal Of Chemical Physics. , v.120, n.20, p.9638 - 9647, 2004. 4 MOLINA, Celso, DAHMOUCHE, Karim, MESSADDEQ, Younes, RIBEIRO, S. J. L. Enhanced emission from Eu(III) beta-diketone complex combined with ether-type oxygen atoms of di-ureasil organic-inorganic hybrids. Journal of Luminescence. , v.104, n.1-2, p.93 - 101, 2003. 5 MORAIS, E A, SCALVI, V A, GERALDO, V, RIBEIRO, S. J. L., SANTILLI, Celso Valentin Er-rare-earth íon incorporation in sol-gel SnO2. Materials Research. , v.6, n.4, p.445 - 449, 2003.

Artigos Publicados – Profº Sidney J. L. Ribeiro … · Artigos Publicados – Profº Sidney J. L. Ribeiro (Professor Pesquisador) 1 MORAIS, E A, SCALVI, L V A, GERALDO, V, SCALVI,

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Artigos Publicados – Profº Sidney J. L. Ribeiro (Professor Pesquisador)

1 MORAIS, E A, SCALVI, L V A, GERALDO, V, SCALVI, R M F, RIBEIRO, S. J. L., SANTILLI, Celso Valentin, PULCINELLI, Sandra HelenaElectro-optical properties of Er-doped SnO2 thin films. Journal of the European Ceramic Society. , v.24, n.6, p.1857 - 1860, 2004.

2 GONÇALVES, Rogéria Rocha, CARTURAM, G Iovanni, MONTAGNA, Maurizio, FERRARI, Maurizio, ZAMPEDRI, Luca, PELLI, Steffano, RIGHINI, Giancarlo C, RIBEIRO, S. J. L., MESSADDEQ, YounesErbium-activated HfO2-based waveguides for photonics. Optical Materials. , v.25, n.2, p.131 - 139, 2004.

3 RIBEIRO, S. J. L., TAMBELLI, C. C., DONOSO, J. P, MAGON, C. J., A.BUENO, Luciano, MESSADDEQ, Y., OLIVEIRA, L. F. C., KOSACKI, IGlass structure and ion dynamics of lead-cadmium fluorgermanate glasses.. Journal Of Chemical Physics. , v.120, n.20, p.9638 - 9647, 2004.

4 MOLINA, Celso, DAHMOUCHE, Karim, MESSADDEQ, Younes, RIBEIRO, S. J. L.Enhanced emission from Eu(III) beta-diketone complex combined with ether-type oxygen atoms of di-ureasil organic-inorganic hybrids. Journal of Luminescence. , v.104, n.1-2, p.93 - 101, 2003.

5 MORAIS, E A, SCALVI, V A, GERALDO, V, RIBEIRO, S. J. L., SANTILLI, Celso ValentinEr-rare-earth íon incorporation in sol-gel SnO2. Materials Research. , v.6, n.4, p.445 - 449, 2003.

6 CHIASERA, A., MONTAGNA, M, ROLLI, R, RIBEIRO, S. J. L.Er3+/Yb3+ co-activated silica-alumina monolithic xerogels. Journal of Sol-Gel Science and Technology. , v.26, n.1-3, p.943 - 946, 2003.

7 RIBEIRO, S. J. L., ZAMPEDRI, L, FERRARI, M, ARMELLINI, C, VISISNTAINER, F, TOSELLO, C, RONCHINI, S, ROLLI, R, MONTAGNA, M, CHIARESA, A, PELLI, S, RIGHINI, C G, MONTEIL, A, DUVERGER, C, GONÇALVES, R. RErbium-activated silica-titania planar waveguides. . Journal of Sol-Gel Science and Technology. , v.26, p.1033 - 1066, 2003.

8 GONÇALVES, Rogéria Rocha, CARTURAN, G, ZAMPEDRI, L, RIBEIRO, S. J. L., MESSADDEQ, YounesInfrared-to-visible CW frequency upconversion in erbium activated silica-hafnia waveguides prepared by sol-gel route. Journal of Non-Crystalline Solids. , v.322, n.1-3, p.306 - 310, 2003.

9 VILA, Lígia Delgado da, GOMES, L, TARELHO, L V G, RIBEIRO, S. J. L.Mechanism of the Yb-Er energy transfer in fluorozirconate glass.. Journal of Applied Physics. , v.93, n.7, p.3873 - 3880, 2003.

10 POIRIER, G., CASSANJES, Fábia Castro, ARAÚJO, C. B., MESSADDEQ, Younes, RIBEIRO, S. J. L.OPtical properties and frequency upconversion fluorescence in Tm3+ - doped alkali niobium tellurite glass. Journal of Applied Physics. , v.93, n.6, p.3259 - 3263, 2003.

11 POIRIER, G., JEREZ, V A, ARAUJO, Cid B, RIBEIRO, S. J. L., AL, E.Optical spectroscopy and frequency upconversion properties of Tm3+ doped tungstate fluorophosphate glasses. Journal of Applied Physics. , v.93, n.3, p.1493 - 1497, 2003.

12 SOUZA, L A, MESSADDEQ, Younes, RIBEIRO, S. J. L.Preparation of LiNbO3 and LiNbO3 : Eu3+ by the polymeric precursors method. Química Nova. São Paulo: , v.25, n.6B, p.1067 - 1073, 2003.

13 AMORIN, H T, VERMELHO, M V D, GOUVEIA NETO, A S, RIBEIRO, S. J. L., MESSADDEQ, YounesRed-green-blue upconversion emission and energy-transfer between Tm3+ and Er3+ ions in tellurite glasses excited at 1.064 mu m. Journal Of Solid State Chemistry. , v.171, n.1-2, p.278 - 281, 2003.

14 GOUVEIANETO, A S, COSTA, e B da, SANTOS, P V dos, RIBEIRO, S. J. L.Sensitized thulium blue upconversion emission in Nd3+/Tm3+/Yb3+ triply doped lead and cadmium germanate glass excited around 800 nm. Journal of Applied Physics. , v.94, n.9, p.5678 - 5681, 2003.

15 RIBEIRO, S. J. L., BERMUDEZ, V. D., CORREIA, S. M. G., SILVA, M. M.Short-chain di-ureasil ormolytes doped with potassium triflate: Phase diagram and conductivity behavior. Journal of Sol-Gel Science and Technology. , v.26, n.1-3, p.375 - 381, 2003.

16 SILVA, M. A. P., BRIOIS, V., POULAIN, M., RIBEIRO, S. J. L., AL, E.SiO2-PbF2-CdF2 glasses and glass ceramics. J Phys Chem Solids. , v.64, n.1, p.95 - 105, 2003.

17 LIMA, O L de, PAPACIDERO, A T, ROCHA, L A, MESSADDEQ, Younes, RIBEIRO, S. J. L.Sol-gel entrapped cobalt complex. Materials Characterization. , v.50, n.2-3, p.101 - 108, 2003.

18 GONÇALVES, Rogéria Rocha, CARTURAN, G, ZAMPEDRI, L, FERRARI, M, ARMELINI, C, MATTARELLI, M, MOSER, E, MONTAGNHA, M, RIGHINI, C G, PELLI, S, NUNZI, G, RIBEIRO, S. J. L., MESSADDEQ, Younes, MINOTTI, A, FOGLIETTI, V, PORTALLIS, HSol-gel erbium-doped sílica-hafnia planar and channel waveguides. . Proceedings Of The Spie. , v.1990, 2003.

19 BRITO, G e S, FISCHER, H, CRAIEVICH, A F, RIBEIRO, S. J. L.Structure of redispersible SnO2 nanoparticles. Journal of Sol-Gel Science and Technology. , v.28, n.1, p.45 - 50, 2003.

20 COURROL, L. C., KASSAB, L. R. P., MORAIS, A. S., MESSADDEQ, Younes, RIBEIRO, S. J. L.Study of the most suitable new glass laser to incorporate ytterbium: alkali niobium tellurite, lead fluorborate or heavy metal oxide. Journal of Luminescence. , v.102, p.106 - 111, 2003.

21 VERMELHO, M V D, GOUVEIA NETO, A S, AMORIN, H T, MESSADDEQ, Younes, RIBEIRO, S. J. L.Temperature investigation of infrared-to-visible frequency upconversion in erbium-doped tellurite glasses excited at 1540 nm. . Journal of Luminescence. , v.102, p.755 - 761, 2003.

22 VERMELHO, M V D, SANTOS, P V dos, ARAUJO, M T de, MESSADDEQ, Younes, RIBEIRO, S. J. L.Thermally enhanced cooperative energy-transfer frequency upconversion in terbium and ytterbium doped tellurite glass. Journal of Luminescence. , v.102, p.762 - 767, 2003.

23 NASSAR, Eduardo José, CIUIFF, K J, GONÇALVES, Rogéria Rocha, RIBEIRO, S. J. L., MESSADDEQ, YounesTitanium-silicon films prepared by spin and dip-coating.. Química Nova. São Paulo: , v.26, n.5, p.674 - 677, 2003.

24 NASSAR, Eduardo José, MESSADDEQ, Younes, RIBEIRO, S. J. L.Base and acid catalysis in the preparation of functiolnalized silica obtain by sol-gel method.. Química Nova. , v.25, n.1, p.27 - 31, 2002.

25 SANTOS, P. V., VERMELHO, M V D, GOUVEIA, E. A., ARAÚJO, M. T., CASSANJES, Fábia Castro, RIBEIRO, S. J. L., MESSADDEQ, YounesBlue cooperative luminescence in Yb3+ - doped tellurite glasses excited at 1.064 microm.. Journal Of Chemical Physics. , v.116, n.15, p.6772 - 6776, 2002.

26 RAKOV, N., MACIEL, G. S, SUNDHEIMER, M L, RIBEIRO, S. J. L., AL, E.Blue upconversion enhancement by a factor of 200 in Tm3+-doped tellurite glass by codoping with Nd3+ ions. J Apply Phys. , v.92, n.10, p.6337 - 6339, 2002.

27 RAKOV, N., MACIEL, G. S, ARAUJO, C., MESSADDEQ, Younes, RIBEIRO, S. J. L.Energy transfer assisted frequency upconversion in Ho3+ doped fluoroindate glass. Journal of Applied Physics. , v.91, n.3, p.1272 - 1276, 2002.

28 AMORIN, H T, VERMELHO, M D, GOUVEIA NETO, A S, RIBEIRO, S. J. L., AL, E.Energy upconversion luminescence in neodymium-doped tellurite glass. Journal of Alloys and Compounds. , v.346, n.1-2, p.282 - 284, 2002.

29 RIGHINI, C G, PELLI, S, FERRARI, M, RIBEIRO, S. J. L., AL, E.Er-doped silica-based waveguides prepared by different techniques: RF-sputtering, sol-gel and ion-exchange. Opt Quant Electron. , v.34, n.12, p.1151 - 1166, 2002.

30 MONTANARI, B., VAST, P., MARTINEZ, M. A. U., RIBEIRO, S. J. L., MESSADDEQ, YounesInfluência do pH na estabilidade dos coacervatos de prata como precursores vítreos. . Revista Eclética Química. São Paulo: , v.27, p.305 - 314, 2002.

31 SANTOS, P V dos, VERMELHO, M V D, GOUVEIA, E. A., RIBEIRO, S. J. L.Infrared-to-visible frequency upconversion in Pr3+/Yb3+- and Er3+/Yb3+-codoped tellurite glasses. Journal of Alloys and Compounds. , v.344, n.1-2, p.304 - 307, 2002.

32 GONÇALVES, Rogéria Rocha, CATURAN, G., SCARPARI, S., OLIVEIRA, D C, BUENO, Luciano Avallone, RIBEIRO, S. J. L., MESSADDEQ, Younes, FERRARI, M., MONTAGNA, M, RAINHO, J. P., CARLOS, Luiz DInorganic nanoparticles in organic-inorganic hybrid hosts form planar waveguides. . International Symposium On Optical Science And Technology. Seatle: , v.4805, 2002.

33 SILVA, M. A. P., BRIOIS, V., POULAIN, M., RIBEIRO, S. J. L.Lead-cadmium oxyfluoride glasses and glass-ceramics. J Optoeletron Adv M 4. , v.4, n.3, p.799 - 808, 2002.

34 RAINHO, J. P., PILLINGER, M., CARLOS, L. D, RIBEIRO, S. J. L., ALMEIDA, R. A., ROCHA, JLocal Er(III) environment in luminescent titanosilicates prepared from microporous precursors.. Journal of Materials Chemistry. , v.12, p.1162 - 1168, 2002.

35 MESSADDEQ, S. H., MASTELARO, V. R., RAMOS, A. Y., RIBEIRO, S. J. L.Local order around of germanium atoms in Ga10Ge25S65 glass by EXAFS. Journal of Non-Crystalline Solids. , v.304, n.1-3, p.160 - 166, 2002.

36 SILVA, M. A. P., RIBEIRO, S. J. L., MONTEIL, A, MESSADDEQ, YounesMolecular dynamics simulations on devitrification: The PbF2 case. Journal Of Chemical Physics. , v.117, n.11, p.5366 - 5372, 2002.

37 CORREIA, S., BERMUDEZ, V. Z., CARLOS, Luiz D, FERREIRA, A. S., MOLINA, Celso, DAHMOUCHE, K., RIBEIRO, S. J. L.Multifunctional di-ureasils xerogels doped with K+ ions. First International Materials Symposium. , 2002.

38 MORAIS, E A, RIBEIRO, S. J. L., SCALVI, L V AOptical characteristics of Er3+-Yb3+ doped SnO2 xerogels. Journal of Alloys and Compounds. , v.344, n.1-2, p.217 - 220, 2002.

39 GONÇALVES, Rogéria Rocha, FERRARI, M., CHIASERA, A., MONTAGNA, M, MORAIS, E A, SCALVI, L V A, SANTILLI, Celso Valentin, MESSADDEQ, Younes, RIBEIRO, S. J. L.Planar waveguides based on nanocrystalline and Er3+ doped SnO2. . Journal Of Metastable And Nanocrystalline Materials. , v.14, p.107 - 110, 2002.

40 SOUZA, L A, MESSADDEQ, Younes, RIBEIRO, S. J. L.Preparation of LiNbO3 and LiNbO3 : Eu3+ by the polymeric precursors method. Química Nova. São Paulo: , v.25, n.6B, p.1067 - 1073, 2002.

41 BUENO, Luciano Avallone, BERTHOLDO, Roberto, BARROS FILHO, Djalma Albuquerque, MESSADDEQ, Younes, RIBEIRO, S. J. L.Rare earth doped synthetic opal and inverse opals. . International Symposium On Optical Science And Techonology. , v.4804, 2002.

42 GONÇALVES, Rogéria Rocha, CARTURAN, G, ZAMPEDRI, L, RIBEIRO, S. J. L.Sol-gel Er-doped SiO2-HfO2 planar waveguides: A viable system for 1.5mu m application.. Applied Physics Letters. , v.81, n.1, p.28 - 30, 2002.

43 VILA, Ligia Delgado da, ARANHA, Norberto, MESSADDEQ, Younes, STUCCHI, Elizabeth Berwerth, RIBEIRO, S. J. L., FAGUNDES, D, NUNES, Luiz Antonio OSpectroscopic properties of Er3+ in oxysulfide glasses. . Journal of Alloys and Compounds. , v.344, n.1-2, p.226 - 230, 2002.

44 SILVA, M. A. P., MESSADDEQ, Younes, BRIOIS, V., RIBEIRO, S. J. L.Structural studies on lead-cadmium fluoride solid solutions. . Solids State Ionics. , v.147, n.1-2, p.135 - 139, 2002.

45 SILVA, M. A. P., MESSADDEQ, Younes, BRIOIS, V., RIBEIRO, S. J. L.Synthesis and structural investigations on TeO2-PbF2-CdF2 glasses and transparent glass-ceramics. Journal of Physics and Chemistry of Solids. , v.63, n.4, p.605 - 612, 2002.

46 SILVA, M. A. P., MESSADDEQ, Younes, BRIOIS, V., RIBEIRO, S. J. L.Synthesis and strucutral studies of Er3+ containing lead cadmium fluoroborate glasses and glass-ceramics. . Journal Of The Brazilian Chemical Society. , v.13, n.2, p.200 - 206, 2002.

47 NASSAR, Eduardo José, GONÇALVES, Rogéria Rocha, FERRARI, M., RIBEIRO, S. J. L.Titania-based organic-inorganic hybrid planar waveguides. Journal of Alloys and Compounds. , v.344, n.1-2, p.221 - 225, 2002.

48 POIRIER, G., ARAÚJO, C. B., MESSADDEQ, Younes, RIBEIRO, S. J. L.Tungstate fluorophosphate glasses as optical limiters. Journal of Applied Physics. , v.91, n.12, p.10221 - 10223, 2002.

49 MESSADDEQ, Younes, MESSADDEQ, S. H., LI, S. M., LEZAL, D., RIBEIRO, S. J. L.Above bangdap induced photoexpansion and photobleaching in Ga-Ge-S based glasses. Journal of Non-Crystalline Solids. , v.284, n.1-3, p.282 - 287, 2001.

50 MESSADDEQ, Younes, NALIN, M., POULAIN, M., POULAIN, M., RIBEIRO, S. J. L.Antimony oxide based glasses. Journal of Non-Crystalline Solids. , v.284, n.1-3, p.110 - 116, 2001.

51 BERMUDEZ, Veronica Zéa, SÁ, R. F., CARLOS, Luiz D, MOLINA, Celso, DAHMOUCHE, K., RIBEIRO, S. J. L.Coordination of Eu3+ ions siliceous nanohybrids containing short polyether chains and bridging urea cross-links. Journal of Physical Chemistry. , v.105, n.17, p.3378 - 3386, 2001.

52 V, S. P., VERMELHO, M V D, GOUVEIA, E. A., RIBEIRO, S. J. L.Efficient energy upconversion emission in Tm3+/Yb3+-codoped TeO2-based optical glasses excited at 1.064 mu m . Journal of Applied Physics. , v.90, n.12, p.6550 - 6552, 2001.

53 FERREIRA, R A Sá, CARLOS, Luiz D, GONÇALVES, Rogéria Rocha, RIBEIRO, S. J. L., BERMUDEZ, V ZéaEnergy-transfer mechanics and emission quantum yields in Eu3+ - based siloxane-poly(oxyethylene)nanohybrids. . Chemistry of Materials. , v.13, p.2991 - 2998, 2001.

54 FERREIRA, R. A. S., CARLOS, Luiz D, GONÇALVES, Rogéria Rocha, RIBEIRO, S. J. L., AL, E.Energy-transfer mechanisms and emission quantum yields in Eu3+ - based siloxane-poly(oxyethylene)nanohybrids. Chemistry of Materials. , v.13, n.9, p.2991 - 2998, 2001.

55 RONCHINI, S, CHIASSERA, A, MONTAGNHA, Maurizio, ROLLI, R, TOSELLO, C, PELLI, S, RIGHINI, C G, GONÇALVES, Rogéria Rocha, RIBEIRO, S. J. L., BERNARDI, C, POZZI, F, DUVERGER, C, BELLI, R, FERRARI, MErbium-activated sílica-titania planar waveguides prepared by rf-sputtering.. Proceedings Of The Spie Rare Earth Doped Materials And Devices. , v.4282, 2001.

56 CARLOS, Luiz D, FERREIRA, R A Sá, BERMUDEZ, Veronica Zéa, BUENO, L. A., MOLINA, Celso, MESSADDEQ, Younes, RIBEIRO, S. J. L.Eu(III) local coordination in white light emitters organic-inorganic hybrids. . Química Nova. bRASIL: , v.24, n.4, p.453 - 459, 2001.

57 RIBEIRO, S. J. L., CARLOS, Luiz D, FERREIRA, R. A. S., BERMUDEZ, V. D., AL, E.Full-color phosphors from amine-functionalized crosslinked hybrids lackling metal activator ions. Adv Funct Matter. , v.11, n.2, p.111 - 115, 2001.

58 RIBEIRO, S. J. L., MESSADDEQ, YounesNon-oxide glasses and advanced materials. Journal of Non-Crystalline Solids. , v.284, n.1-3, p.VII - VII, 2001.

59 NALIN, M., MESSADDEQ, Younes, RIBEIRO, S. J. L., POULAIN, M., BRIOIS, V.Photosensitivity in antimony based glasses. Journal Of Optoelectronics And Advanced Materials. , v.3, n.2, p.553 - 558, 2001.

60 A, C., MONTAGNA M., RONCHINI,S, ROLLI,R., TOSELLO,C., ZAMPEDRI, L., BRENCI, M., PELLI, S, RINGHINI, G C, GONÇALVES, Rogéria Rocha, RIBEIRO, S. J. L., BERNARDI,C.D., DELLA, C. P., CANCIAATICHI,C., POZZI, F, BATTAGLIN, G, GONELLA,F, MAZZOLDI, F., BELLI, R, FERRARI, MPreparazioni via RF sputtering e proprietá ottiche e specttrocopiche di guide di luce planari SiO2-TiO2 attivati con ioni Er3+.. Proceedings do 7° Convergno Nazionale Sulle Techniche Fotoniche Nelle Telecomunicazioni Fotonica 2001. Ischia - Itália: , v.7, 2001.

61 MESSADDEQ, S. H., LI, M Siu, LEZAL, D., MESSADDEQ, Younes, RIBEIRO, S. J. L., OLIVEIRA, L. F. C., ROLLO, J. M. D. A.Raman investigation of strucutral photoinduced irreversible changes of Ga10Ge25S65 chalcogenide glasses. Jounral Of Optoelectronics And Advanced Materials. , v.3, n.2, p.295 - 302, 2001.

62 SILVA, M. A. P., RIBEIRO, S. J. L., MESSADDEQ, YounesStructural studies on TeO2-PbO glasses. Journal of Physics and Chemistry of Solids. , v.62, n.6, p.1055 - 1060, 2001.

63 MOLINA, C, DAHMOUCHE, K., SANTILLI, C. V., CRAIEVICH, A. F., RIBEIRO, S. J. L.Structure and luminescence of Eu3+ doped class I siloxane-polyethyleneglycol hybrids. Chemistry Of Materials. , v.13, n.9, p.2818 - 2823, 2001.

64 MESSADDEQ, Younes, COURROL, L. C., TARELLO, L. V. G., GOMES, L, VIEIRA JUNIOR, N. D., CASSANJES, F. C., RIBEIRO, S. J. L.Time dependence and energy transfer mechanisms in Tm3+, Ho3+ and Tm3+ - Ho3+ co-doped alkali niobium tellurite glasses sensitized by Yb3+.. Journal of Non-Crystalline Solids. , v.284, n.1-3, p.217 - 222, 2001.

65 FRANCO, R. W. A., DONOSO, J. P, MAGON, C. J, SCHNEIDER, J., PANEPUCCI, H., MESSADDEQ, Younes, RIBEIRO, S. J. L.31P and 19F nuclear magnetic resonance investigation of fluoride glasses. Solid State Science. , v.aceito, 2000.

66 MESSADDEQ, S. H., LI, M. S., LEZAL, L. D., MESSADDEQ, Younes, RIBEIRO, S. J. L.Bragg grating . International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.335 - 338, 2000.

67 GRANDO, D., MARTINES, M. A. U., VAST, P., RIBEIRO, S. J. L., MESSADDEQ, YounesChrysotile asbestos fibers immobilization. International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.218 - , 2000.

68 BUENO, Luciano Avallone, MESSADDEQ, Younes, RIBEIRO, S. J. L.Crystallization study of cadmium-lead-fluorogermanate glasses by thermal analysis 19F nuclear magnetic resonance and X-ray diffraction. International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.262 - 266, 2000.

69 RIBEIRO, S. J. L., ANDRIÈS, V., MARTINES, M. A. U., VAST, P., MESSADDEQ, YounesDestroyning of inorganic fillers in a organic matrix by a direct vitrification. International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.205 - , 2000.

70 MOLINA, Celso, RIBEIRO, S. J. L., DAHMOUCHE, K, SANTILLI, C. V., VICH, A. F. C.EXAFS, SAXS and Eu3+ luminescence spectroscopy of sol-gel derived siloxane - Polyethyleneoxyde hybrids.. Journal of Sol Gel Science and Technology. , v.19, n.1-3, p.615 - 620, 2000.

71 GONÇALVES, Rogéria Rocha, SILVA, M. A., MESSADDEQ, Younes, AERGERTER, M. A., RIBEIRO, S. J. L.Enhanced photoluminescence of Eu3+ doped SnO2 nanoscaled powders and coatings. International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.213 - 217, 2000.

72 RIGHINI, G. C., PELLI, S, FERRARI, M., ARMELLINI, C, ZAMPEDRI, L, TOSELLO, C, RONCHIN, S., ROLLI, R, MOSER, E, MONTAGNA, M, CHIASERA, A., RIBEIRO, S. J. L.Er-doped silica based waveguides prepared by different techniques: RF-Sputtering, sol-gel and ion-exchange. 2nd International Photonics Coinference. , 2000.

73 CARLOS, L. D., MESSADDEQ, Y., BRITO, H., FERREIRA, R. A. S., BERMUDEZ, Veronica Zéa, RIBEIRO, S. J. L.Full-color phosphor from Eu(III)-based organosilicates. Advanced Materials. , v.12, n.8, p.594 - 598, 2000.

74 ZAMPEDRI, L, TOSELLO, C, ROSSI, F., RONCHIN, S., ROLLI, R, MOSER, E, MONTAGNA, M, CHIASERA, A., RIGHINI, G. C., PELLI, S, MONTEIL, A, CHAUSSEDENT, S., DUVERGER, C, RIBEIRO, S. J. L., GONÇALVES, Rogéria Rocha, FERRARI, M.Guide di luce SiO2-TiO2:Er33+ e vetri SiO2-Er2O3 prodoti per via sol gel. Giornata Di Ottica Dela Società Italiana Di Ottica e Fotonica. , 2000.

75 SANTOS, P. V., GOUVEIA, E. A., ARAUJO, M. T., GOUVEIA NETO, A S, RIBEIRO, S. J. L., BENEDICTO, S. H.IR-visible upconversion and thermal effects in Pr3+/Yb3+ codoped Ga2O3:La2S3 chalcogenide glasses. J Phys Cond Matter. , v.12, n.48, p.10003 - 10010, 2000.

76 NASSAR, Eduardo José, MESSADDEQ, Younes, RIBEIRO, S. J. L.Incorporation of EuCl3 and Eu(bpy)Cl3 on silica funcionalized with aminopropyltrietoxysilane. International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.238 - 241, 2000.

77 NASSAR, Eduardo José, MESSADDEQ, Younes, RIBEIRO, S. J. L.Influência da catálise ácida e básica na preparação da sílica funcionalizada. Química Nova. , v.aceito, 2000.

78 SOUZA, L. A., FREDERICCI NETO, A. C., MESSADDEQ, Younes, ZANOTTO, E., RIBEIRO, S. J. L.LiNbO3:Eu3+/soda-lime-silica glasses composites. Acta Microscópica. , v.aceito, 2000.

79 RIBEIRO, S. J. L., MESSADDEQ, Younes, GONÇALVES, Rogéria Rocha, FERRARI, M, MONTAGNA, MLow optical loss planar waveguides prepared in an organic-inorganic.. Applyed Physics Letters. , v.77, n.22, p.3502 - 3504, 2000.

80 COSTA, B. J., MESSADDEQ, Younes, RIBEIRO, S. J. L.Mechanical properties of fluoroindate glasses. International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.453 - 457, 2000.

81 COSTA, B. J., POULAIN, M., MESSADDEQ, Younes, RIBEIRO, S. J. L.Non-isothermal study of the devitrification kinetics of fluoroindate glasses. Journal of Non-Crystalline Solids. , v.273, n.1-3, p.76 - 80, 2000.

82 COSTA, B. J., MESSADDEQ, Younes, POULAIN, M., RIBEIRO, S. J. L.Non-isothermal study of the devitrification kinetics of fluoroindate glasses. Journal of Non-Crystalline Solids. , v.273, n.1-3, p.76 - 80, 2000.

83 MARTINES, M. A. U., WILOT, G., RIBEIRO, S. J. L., VAST, P., MESSADDEQ, YounesPhosphate glasses based on ZnO by a soft chemistry route. International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.473 - , 2000.

84 CARLOS, Luiz D, RAINHO, J. P., ROCHA, J, RIBEIRO, S. J. L.Photoluminescence of glassy Er3+ doped titanosilicates. International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.237 - , 2000.

85 SILVA, M. A., BRIOIS, V., POULAIN, M., RIBEIRO, S. J. L., MESSADDEQ, YounesPreparation, rare earth doping and characterization of glasses and transparent glass-ceramics in the system PbF2-CdF2-MO (MO=SiO2, B2O3, TeO2 and P2O5). International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.101 - 106, 2000.

86 RIBEIRO, S. J. L., GONÇALVES, R. R., MESSADDEQ, Younes, AERGERTER, M., MONTAGNA, M., DUVERGER, C, FERRARI, MRare earth doped HfO2 nanoparticles embedded in SiO2-HfO2 planar waveguides. Preparation, optical, structural and spectroscopic characterization.. Sol Gel Optics. , v.3943, p.10 - 18, 2000.

87 RIBEIRO, S. J. L., CRUZ, G. K., MESSADDEQ, Younes, CARVALHO, R. A., TOMAZINI, N. W.Red to green frequency upconversion in Y2BaZnO5:Er3+. International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.145 - , 2000.

88 SOUZA, L. A., ZANOTTO, E., MESSADDEQ, Younes, RIBEIRO, S. J. L.Silica glass-ferroeletric crystals composites.. International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.306 - , 2000.

89 RIBEIRO, S. J. L., DEXPERT-GHYS, J., DUGAT, P., AVIGNANT, D., FAUCHER, M.Spectroscopic studies of the Eu3+ and Er3+ ions in the fluorozirconate LaZr2F11 matrix. Spectrochimica Acta Part A. , v.56, n.3, p.475 - 483, 2000.

90 SILVA, M. A. P., MESSADDEQ, Younes, RIBEIRO, S. J. L., POULAIN, M., VILLAIN, F., BRIOIS, V.Structural studies on TeO2-PbO glasses (aceito). Journal of Physics and Chemistry of Solids. , 2000.

91 BENEDICTO, S. H., ARANHA, Norberto, OLIVEIRA, L. F. C., RIBEIRO, S. J. L., MESSADDEQ, YounesThermal and optical properties of gallium lanthanum oxysulfide glasses. International Symposium On Non Oxide Glasses And Advanced. , v.12, p.345 - 349, 2000.

92 MOYA, C., MELNIKOV, P., RIBEIRO, S. J. L., MESSADDEQ, Younes, TAMBELLI, C. E., DONOSO, J. P, MAGON, C. J, SCHNEIDER, J.Thermal properties and 31P magic angle spinning NMR spectroscopy of in (PO3)3 based glasses.. International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.474 - 479, 2000.

93 RIBEIRO, S. J. L., COURROL, L. C., TARELLO, L. V. G., GOMES, L, VIEIRA JUNIOR, N. D., CASSANJES, F. C., MESSADDEQ, YounesTime dependence and energy-transfer mechanisms in Tm3+, Ho3+ and Tm3+ - Ho3+ doped alkali niobium tellurite glasses sensitezed by Yb3+. Interrnational Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.140 - 144, 2000.

94 SANTOS, P. V., GOUVEIA, E. A., ARAUJO, M. T., GOUVEIA NETO, A S, SOMBRA, A. S. B., RIBEIRO, S. J. L., BENEDICTO, S. H.Upconversion spectroscopy and thermal effects in anti-stokes infrared excited Yb3+ sensitized P3+ doped Ga2S3:La2O3 chalcogenide glasses. International Symposium On Non Oxide Glasses And Advanced Materials. , v.12, p.193 - 199, 2000.

95 BUENO, L. A., MELNIKOV, P., MESSADDEQ, Y., RIBEIRO, S. J. L.Er3+ And Eu3+ Containing Transparent Glass Ceramics In The System Pbgeo3-Pbf2-Cdf2. J Of Non Crystalline Solids. , v.247, p.87 - 91, 1999.

96 GONÇALVES, R. R., MESSADDEQ, Y., ATIK, M., RIBEIRO, S. J. L.Optical Properties Of ZrO2, Sio2 And TiO2-SiO2 Xerogels And Contings Doped With Eu3+ And Eu2+. Mateirals Research. , v.2, n.1, p.1 - 6, 1999.

97 RIBEIRO, S. J. L., CASSANJES, F., MESSADDEQ, Y., OLIVEIRA, L. F. C., COURROL, L., GOMES, L.Raman scattering, differential scanning calorimetry and Nd3+ spectroscopy in alkali niobium tellurite glasses. Journal of Non-Crystalline Solids. , v.247, p.58 - 63, 1999.

98 RIBEIRO, S. J. L., DAMOUCHE, K., SANTILLI, C. V., PULCINELLI, S. H.Study Of Hybrid-Polyethyleneglycol Xerogels By Eu3+ Luminescence Spectroscopy. Journal of Sol Gel Science and Technology. , v.13, n.1/2/3/, p.427 - 427, 1999.

99 LIMA, S. M., RIBEIRO, S. J. L., CATUNDA, T., BAESSO, M. L., VILA, L. D., MESSADDEQ, Y., STUCCHI, E. B.Thermal Optical Properties Of Ga-La-S Glasses Measured By Thermal Lens Technique. J Of Non Crystalline Solids. , v.247, p.222 - 226, 1999.

100 CARLOS, Luiz D, FERREIRA, R. S., BERMUDEZ, Veronica Zéa, MOLINA, Celso, AVALONE, L. B., RIBEIRO, S. J. L.White light emission of Eu3+ - based hybrid xerogels. Physical Review B. , v.60, n.14, p.10042 - 10053, 1999.

101 DEXPERT-GHYS, J., RIBEIRO, S. J. L., DUGAT, P., AVIGNANT, D.Crystal Structures And Luminescence Properties Of La3zr4f25 And alfa-LaZr3F15.. J. of Materials Chemistry,. , v.8, n.4, p.1043 - 1050, 1998.

102 FRANCO, R. W., TAMBELLI, C. C., MAGON, C. J., DONOSO, J. P., MESSADDEQ, Y., RIBEIRO, S. J. L., POULAIN, M.Differential Scanning Calorimetry, X-Ray Diffraction And 19f Nuclear Magnetic Resonance Investigations Of The Crystallization Of In3--Based Glasses.. J. of Chemical Physics. , v.108, n.23, p.1 - , 1998.

103 VILA, Ligia Delgado da, ARANHA, Norberto, STUCCHI, Elizabeth Berwerth, RIBEIRO, S. J. L.Er3+ spectroscopy in chalcogenice glasses. Proceedings Of The XVI International Congress On Glass. , v.C9, p.64 - 69, 1998.

104 GONÇALVES, R. R., ATIK, M., MESSADDEQ, Y., RIBEIRO, S. J. L.Eu3+ Containing Bulk Xerogels And Thin Films.. Materials Research,. , 1998.

105 BUENO, Luciano Avallone, MELNIKOV, P., OLIVEIRA, L. F. C., MESSADDEQ, Younes, RIBEIRO, S. J. L.Glasses and glass-ceramic in the PbF2-CdF2-PbO-GeO2 system. Proceedings Of The XVII International Congress On Glass. , v.C2, p.63 - 68, 1998.

106 CASSANJES, F. C., MELNIKOV, P., RIBEIRO, S. J. L.Glasses and transparent glass-ceramics in the K2O-Li2-O-Nb2O5-TeO2 system. Proceedings Of The XVII International Congress On Glass. , v.C9, p.101 - 106, 1998.

107 MESSADDEQ, Y., GRANDO, D., MELKINOV, P., OLIVEIRA, L. F. C., RIBEIRO, S. J. L.In(Po3)3 Stabilised Fluoroindate Glasses. Journal of Alloys and Compounds. , v.257-77, p.81 - 85, 1998.

108 MOYA, C., MELNIKOV, P., MESSADDEQ, Younes, RIBEIRO, S. J. L.New glasses in the ErPO4- InF3-BaF2 system.. Proceedings Of Spie Infrared Glass Optical Fibers And Their Applications. , v.3416, p.186 - 191, 1998.

109 NALIN, M., MELNIKOV, P., MESSADDEQ, Younes, RIBEIRO, S. J. L.New glasses in the Sc(PO3)3-BaF2-InF3 system. Proceedings Of The Svii International Congress On Glass. , v.D1, p.86 - 90, 1998.

110 RIBEIRO, S. J. L., GONÇALVES, R. R., MESSADDEQ, Y.Rare Earths Containing Optically Active Bulk Xerogels And Thin Layers.. J. of Sol-Gel Science and Technology. , v.2, p.11 - 15, 1998.

111 RIBEIRO, S. J. L., DAHMOUCHE, K., SANTILLI, C. V., PULCINELLI, S. H.Study Of Hybrid Silica-Polyethyleneglycol Xerogels By Eu3+ luminescence spectroscopy. J. OF Sol-Gel Science and Technology, aceito. , v.13, n.1-3, p.427 - 432, 1998.

112 COSTA, B. J., MESSADDEQ, Younes, RIBEIRO, S. J. L.Viscosity of fluoroindate glasses. Proceedings Of Spie Infrared Glass Optical Fibers And Their Applications. , v.3416, p.202 - 208, 1998.

113 RIBEIRO, S. J. L., AUZEL, F. G. P.Alf3 Crystallization Of Glasses In The Zrf4-Laf3-Alf3 System.. Journal of Non-Crystalline Solids,219, 176, 1997. Journal of Non-Crystalline Solids,219, 176, 1997. Journal of Non-Crystalline Solids,219, 176, 1997.. , v.219, p.176 - , 1997.

114 DINIZ, R. E. O., GHISELLI, G., RIBEIRO, S. J. L., MESSADDEQ, Y., OLIVEIRA, L. A. N.Crystallization Of Fluoroindate And Fluorogallate Glasses. Journal of Non-Crystalline Solids, 219, 187, 1997. Journal of Non-Crystalline Solids, 219, 187, 1997. Journal of Non-Crystalline Solids, 219, 18. , v.219, p.187 - , 1997.

115 RIBEIRO, S. J. L., GOLDNER, P. H., AUZEL, F.Crystallization of glasses in the ZrF4-LaF3-AlF3 system. Journal Of Non Crystalline S. , v.219, p.176 - 181, 1997.

116 BRITO, G. E., RIBEIRO, S. J. L., DEXPERT-GHYS, J., BRIOIS, V., SANTILLI, C. V., PULCINELLI, S. H.Short Range Order Evolution In The Preparation Of Sno2 Based Materials. Journal of Sol-Gel Science and Technology - 8(1/2/3) 261, 1997.. , v.81, n.1-3, p.261 - , 1997.

117 RIBEIRO, S. J. L., GONÇALVES, R. R., DONEGÁ, C. M., BLASSE, G.Luminescence Of Rare Earths(III) Squarates,. J. of Physics and Chemistry of Solids. , v.57, n.11, p.1727 - 1734, 1996.

118 MASTELARO, V. R., RIBEIRO, S. J. L., MESSADDEQ, Y.Molecular Structure Of Inf3-Based Glasses-Exafs And Raman Study.. Journal of Materials Science,. , v.31, p.3431 - 3446, 1996.

119 RIBEIRO, S. J. L., POZETTI, G. L., OLIVEIRA, A. G., BUIANAIN, A., GIAZZI, J. F.Pruebas físico-químicas y biológicas de laboratório com preparaciones homeopáticas de Yumel. La Homeopatia de Mexico. , v.65, n.585, 1996.

120 RIBEIRO, S. J. L., DUGAT, P., AVIGNANT, D., DEXPERT-GHYS, J.Structure And Crystallization Of The Lanthanum Fluorozirconate Glasses.. J.of Non Crystalline Solids,. , v.197, p.8 - 18, 1996.

121 RIBEIRO, S. J. L., SÁ, G. F.Eu3+ And Pb2+ Spectroscopy In Lead Germanate Glasses.. J. of Brazilian Chem. Soc.. , v.5, n.1, p.1 - 6, 1994.

122 DINIZ, R., RIBEIRO, S. J. L., MESSADDEQ, Younes, AERGERTER, M. A.Crystallization in InF3 and GaF3 binary glasses. Anais do 38 C Ongresso Brasileiro de Cerâmica. , v.38, 1994.

123 RIBEIRO, S. J. L., DINIZ, R., MESSADDEQ, Younes, AERGERTER, M. A.Crystallization of InF3 and InF3-SrF2 Glasses. Proceedings Of The 9th International Symposium On Non Oxide Glasses Halide Glasses. , v.9, p.182 - , 1994.

124 DINIZ, R., RIBEIRO, S. J. L., MESSADDEQ, Younes, AERGERTER, M.Espectroscopia de Eu3+ e Gd3+ em vidros fluoroindatos. Anais do 38 Congresso Brasileiro de Cerâmica. , v.38, 1994.

125 SILVA, D. V., RIBEIRO, S. J. L., MESSADDEQ, Younes, AERGERTER, M. A.Estudo da corrosão de vidros de fluoreto em meio aquoso. Primeiro Simpósio Nacional de Vidros. São Paulo: , v.1, p.146 - 157, 1994.

126 SILVA, R. B., RIBEIRO, S. J. L., MESSADDEQ, Younes, AERGERTER, M. A., OLIVEIRA, L. F. C.Estudo da estrutura molecular de vidros de fluoreto de índio. Anais do 38 Congresso Brasileiro de Cerâmica. , v.38, 1994.

127 RIBEIRO, S. J. L., DINIZ, R. E. O., MESSADDEQ, Y., NUNES, L. A., AERGARTER, M. A.Eu3+ And Gd3+ Spectroscopy In Fluoroindate Glasses. Chemical Physics Letters, V. 220, 1994, p. 214-218. Chemical Physics Letters, V. 220, 1994, p. 214-218. Chemical Physics Letters, V. 220, 1994, p. 214-218. Chemical Physics Letters,. , v.220, p.214 - 218, 1994.

128 RIBEIRO, S. J. L., DINIZ, R. E. O., MESSADDEQ, Younes, NUNES, L. A., AERGERTER, M. A.Eu3+ and Gd3+ spectroscopy in fluoroindate glasses. Chemical Physics Letters. , v.220, p.214 - 218, 1994.

129 RIBEIRO, S. J. L., DINIZ, R., MESSADDEQ, Younes, NUNES, L. A., AERGERTER, M. A.Eu3+ spectroscopy in crystallized fluoroindate glasses. Proceedings Of The 9th International Symposium Of Non Oxide Glasses Halide Glasses. , v.9, p.282 - , 1994.

130 MASTELLARO, V., RIBEIRO, S. J. L., MESSADDEQ, Younes, AERGERTER, M. A., DINIZ, R. O., OLIVEIRA, L. F.Molecular structure of binary indium fluoride glasses. Proceedings Of The 9th International Symposium Of Non Oxide Glasses Halide Glasses. , v.9, p.572 - , 1994.

131 RIBEIRO, S. J. L., SANTILLI, C. V., PULCINELLI, S. H., FORTES, F. J. P.Spectroscopic Characterization Of Sno2 Gels.. J. of Sol-gel Science and Technology. , v.2, p.263 - 267, 1994.

132 RIBEIRO, S. J. L., GONÇALVES, R. R., SANTOS, P. S., OLIVEIRA, L. F. C.Spectroscopy Study Of Lanthanide Squarate Hydrates. Journal of Alloys and Compounds. , v.216, p.61 - 66, 1994.

133 RIBEIRO, S. J. L., CARVALHO, C., MESSADDEQ, Younes, AERGERTER, M. A.Corrosão dos vidros fluoroindatos. Anais do 37 Congresso Brasileiro de Cerâmica. , v.37, 1993.

134 RIBEIRO, S. J. L., DEXPERT-GHYS, J., PIRIOU, B., MASTELARO, V. R.Structural Studies In Lead Germanate Glasses: Exafs And Vibrational Spectroscopy. JOURNAL OF NON-CRYSTALLINE SOLIDS. , v.159, p.213 - 221, 1993.

135 RIBEIRO, S. J. L., SANTILLI, C. V., PULCINELLI, S. H.SnO2:Eu Nanocrystallites In Sno2 Monolithic Xerogels. CHEMICAL PHYSICS LETTERS. , v.190, p.64 - 67, 1992.

136 RIBEIRO, S. J. L., SA, G. F., MALTA, O. L., DEXPERT-GHYS, J., PIRIOU, B., DEXPERT, H., MASTELARO, V. R.Structural Studies In Lead Fluorogermanate And Fluorosilicate Glasses. JOURNAL OF ALLOYS AND COMPOUNDS. , v.180, p.117 - 125, 1992.

137 RIBEIRO, S. J. L., HIRATSUKA, R., MASSABNI, A. M. G., DAVOLOS, M. R., SANTILLI, C. V., PULCINELLI, S. H.Study Of SnO2 Gels By Eu3+ Spectroscopy. JOURNAL OF NON-CRYSTALLINE SOLIDS. , v.149, p.162 - 169, 1992.

138 FORTES, F. J. P., RIBEIRO, S. J. L., PULCINELLI, S. H., SANTILLI, C. V.Utilização da espectroscopia de íons de Eu3+ na caracterização de suspensões coloidais de SnO2. Anais do X Congresso Brasileiro de Engenharia e Ciências dos Materiais. , v.10, 1992.

139 RIBEIRO, S. J. L., STUCCHI, E. B., MASSABNI, A. M. G.Absorption And Emission Spectroscopic Parameters Of Nd3+ And Eu3+ In Their Hexamethylphophoramide Complexes. INORGANICA CHIMICA ACTA. , v.179, p.67 - 72, 1991.

140 RIBEIRO, S. J. L., SÁ, G., TELLES, D.Análise térmica diferencial em vidros nos sistemas PbF2-GeO2. Química Nova. , v.14, n.4, p.68 - , 1991.

141 POZETTI, G. L., RIBEIRO, S. J. L.Perfil Fluorimetrico de Algumas Tinturas-Mae de Origem Vegetal. PESQUISA HOMEOPATICA. , v.6, n.2, p.5 - 11, 1991.

142 MALTA, O. L., RIBEIRO, S. J. L., PORCHER, P., FAUCHER, M.Theoretical Intensities Of 4f-4f Transitions Between Stark Levels Of Eu3+ In Crystals. JOURNAL OF PHYSICS AND CHEMISTRY OF SOLIDS. , v.52, p.587 - 596, 1991.

143 RIBEIRO, S. J. L., MASSABINI, A. M. G.Dissociacao do Complexo Hexakis(Hexametilfosforamida) Neodimio (Iii) Em Solucao. QUIMICA NOVA. , v.12, p.211 - 214, 1989.

144 RIBEIRO, S. J. L., MASSABNI, A. M. G., SANTARINI, G.Luminescencia de Compostos de Eu(Iii) Com A Hexametilfosforamida. ECLETICA QUIMICA. , v.11/12, p.25 - 30, 1986.

145 RIBEIRO, S. J. L., GUASTALDI, A. C., BENEDETTI, A. V.Ensaios de Corrosao Por Perda de Massa de Aco 191 1995 Em Etanol Hidratado. ECLETICA QUIMICA. , v.8, p.43 - 47, 1983.

146 Eu3+ doped polyphosphate-aminosilane organic-inorganic hybrids.Autores:F.A.Dias Filho; S.J.L.Ribeiro; R.R.Gonçalves; Y.Messaddeq;L.D.Carlos; V.de Zea Bermudez; J.Rocha;Publicação: Journal of Alloys and Compounds; vol.374 pag.74-78 (2004).