Zobrazeno 1 - 10
of 14
pro vyhledávání: '"C. E. Tambelli"'
Autor:
Mauricio A. P. Silva, Ana Candida Martins Rodrigues, José Pedro Donoso, Mario Chiesa, Cláudio José Magon, I. D. A. Silva, Silvia H. Santagneli, Sidney José Lima Ribeiro, C. E. Tambelli
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
The fluorine motional dynamics in fluorosilicate glasses and glass-ceramics of the SiO2–PbF2–CdF2 system was investigated by complex impedance spectroscopy and 19F nuclear magnetic resonance (NMR) spectroscopy, and the coordination environment of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::305ef816114472b6f8a7f0399e482282
Autor:
Ellen Raphael, José Pedro Donoso, C. E. Tambelli, Cláudio José Magon, I. D. A. Silva, Agnieszka Pawlicka, R. I. Mattos
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Polysaccharide- and gelatin-based bioblends and polyblends were synthesized and characterized by complex impedance spectroscopy, proton nuclear magnetic resonance (NMR) and electron paramagnetic resonance (EPR). Higher ionic conductivities of 7.9 ×
Autor:
José Fernando de Lima, R. I. Mattos, Cláudio José Magon, Agnieszka Pawlicka, C. E. Tambelli, José Pedro Donoso
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
This work reports results from proton nuclear magnetic resonance (NMR), electron paramagnetic resonance (EPR) and complex impedance spectroscopy of gelatin-based polymer gel electrolytes containing chloridric acid, cross-linked with formaldehyde and
Autor:
Raul Lima, Valmor Roberto Mastelaro, Ana Garcia, C. J. Magon, A.S.S. de Camargo, Hellmut Eckert, J. E. de Souza, J. F. Schneider, C. E. Tambelli, Alice Silvia Cattaneo, C. C. de Araujo, José Pedro Donoso
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
The local structure of an ion-conducting glass with nominal composition 50B2O3−10PbO−40LiF has been investigated by complementary 7Li, 11B, 19F, and 207Pb single- and double-resonance experiments. The results give insight into the structural role
Publikováno v:
Electrochimica Acta. 53:1461-1465
In this work, nuclear magnetic resonance spectroscopy (NMR) was used to study the effect of water absorption in polymer gel electrolytes formed by amylopectin rich starch, plasticized with glycerol and containing lithium perchlorate. The position of
Autor:
C. E. Tambelli, Ernesto C. Pereira, Cláudio José Magon, Adriane V. Rosario, José Pedro Donoso
Publikováno v:
Electrochimica Acta. 53:1535-1540
In this present paper the influence of viscosity on the ionic dynamics of polymer gel electrolytes prepared by the Pechini polymeric precursor method is investigated by impedance spectroscopy, differential scanning calorimetric (DSC) and NMR techniqu
Autor:
A. V. Rosario, C. E. Tambelli, Cláudio José Magon, José Pedro Donoso, Ernesto C. Pereira, José Fabian Schneider
Publikováno v:
Molecular Crystals and Liquid Crystals. 374:141-146
In this work we report a proton ( 1 H) and lithium ( 7 Li) NMR lineshape and spin-lattice relaxation time investigation of this polymer electrolyte obtained from the polymerization of ethylene glycol and citric acid with lithium salt. The 7 Li data i
Autor:
Anelise Maria Regiani, C. E. Tambelli, Alessandro Gandini, Agnieszka Pawlicka, José Pedro Donoso, Jean-François LeNest
Publikováno v:
Electrochimica Acta. 46:1665-1672
Measurements of 1H and 7Li nuclear magnetic resonance (NMR) and ionic conductivity are reported for the polymer electrolytes formed by hydroxyethylcelluloses (HEC), poly(ethylene oxide) diisocyanate (DPEO) and LiClO4. The NMR experiments exhibit the
Autor:
A. O. Florentino, J. P. Donoso, Cláudio José Magon, Acd Angelo, C. E. Tambelli, Margarida Juri Saeki
Publikováno v:
Solid State Ionics. :243-247
Electrical conductivity and 1 H Nuclear Magnetic Resonance (NMR) techniques were used to investigate the ion-exchanged layered lead-niobate perovskite HPb 2 Nb 3 O 10 · n H 2 O, over the temperature range 90–350 K. Compounds were synthesized by th
Autor:
C. E. Tambelli, Agnieszka Pawlicka, Anelise Maria Regiani, J Pedro Donoso, A.A.S. Curvelo, Alessandro Gandini, Jean-François LeNest
Publikováno v:
Polymer International. 49:960-964
Thin solid films of hydroxyethylcellulose/oligoether were obtained by a grafting reaction of HEC with diisocyanates, and were then characterized by DSC, FTIR, NMR and complex impedance techniques. The transparency of these films in the visible range