Výsledky vyhledávání - "Cláudio José Magon"

Photoinduced Paramagnetic Centers in Nanocomposites Formed by Titanium Dioxide and Myristic Acid

Autor: Guillermo González, Roberto Villarroel, Hellmut Eckert, Sindy Devis, Cláudio José Magon, Eglantina Benavente, Harold Lozano Zarto, José Pedro Donoso

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

An electron paramagnetic resonance (EPR) study has been carried out on the hybrid layered nanocomposite formed by TiO2 and myristic acid. The samples were characterized by means of X-ray diffractio...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd7a108592449ca503219db3bd2a91a8
https://doi.org/10.1021/acs.jpcc.1c00200

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Role of ferrocene-derived iron species in the catalytic graphitization of novolak resins

Autor: Ailton José Moreira, C.G. Renda, Fred Jochen Litterst, Gian Paulo Giovanni Freschi, Elisa Maria Baggio Saitovitch, A. J. Gualdi, Roberto Bertholdo, Leonardo José Dalla Costa, Cláudio José Magon, Cynthia Paola Contreras Medrano, Tiago Venâncio, Alessandra de Almeida Lucas

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Catalytic graphitization has been used since years, normally by heating from room temperature to 2227 or 3027 °C. Ferrocene was used to induce the graphitization in modified novolak phenolic resins synthesized in laboratory (PR). In this study, the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9825fd69551a0c86ed19ea416cce1c9a
https://doi.org/10.1007/s10853-020-05312-z

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Optical and EPR studies of zinc phosphate glasses containing Mn2+ ions

Autor: Cláudio José Magon, José Pedro Donoso, Douglas F. Franco, Eduar E. Carvajal, Selma Gutierrez Antonio, Danilo Manzani, Yara Galvão Gobato, Gabriela Augusta Prando, Marcelo Nalin

Publikováno v: Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Made available in DSpace on 2020-12-12T01:24:05Z (GMT). No. of bitstreams: 0 Previous issue date: 2020-08-01 Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) A set of glass samples with composition based on ternary 50P2O5–30Na2O–

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e15a807c746d59493baca173ae98d313
https://doi.org/10.1007/s10853-020-04725-0

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Physical properties of new ordered bimetallic phases M0.25Cd0.75PS3 (M = ZnII, NiII, CoII, MnII)

Autor: Carsten Doerenkamp, C. Olea, R. C. de Santana, Patricio Fuentealba, Evgenia Spodine, Nathalie Audebrand, Hellmut Eckert, Cláudio José Magon, Héctor Aguilar-Bolados

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Four bimetallic phases of the thiophosphate family have been synthesized by the cationic exchange reaction using a freshly prepared K0.5Cd0.75PS3 precursor phase and methanolic solutions of nitrates of the divalent cations ZnII, NiII, CoII, and MnII.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f58d2b9a906ba03bd8a5fc2c52327ba8
https://doi.org/10.1039/d0cp00631a

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Composition–Structure–Property Correlations in Rare-Earth-Doped Heavy Metal Oxyfluoride Glasses

Autor: J. Pedro Donoso, Carsten Doerenkamp, Hellmut Eckert, Y. Galvão Gobato, Andrea S. S. de Camargo, Walter José Gomes Juste Faria, Eduar E. Carvajal, Cláudio José Magon

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Structure–property correlations in oxyfluoride glasses have been explored in a series of lead fluoroborate and lead fluorogermanate glasses with nominal compositions (50 – x – y – z)B2O3–40PbO–y(Al...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f89e080cf37ebd706792afa51003e47
https://doi.org/10.1021/acs.jpcc.9b05531

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Structural and EPR studies of Cu2+ ions in NaPO3 – Sb2O3 – CuO glasses

Autor: Cláudio José Magon, Douglas F. Franco, Antonio Carlos Sant'Ana, Eduar E. Carvajal, Hssen Fares, José Pedro Donoso, Mauricio A. P. Silva, Marcelo Nalin

Made available in DSpace on 2019-10-06T15:19:56Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-01-15 In this work, glass compositions in the system NaPO3 - Sb2O3 – CuO (PSbCu) containing different concentrations of CuO and Sb2O3 were prepar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc715a362afbbca1385467568d1da353
https://doi.org/10.1016/j.jnoncrysol.2018.09.042

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The interplay between Mn valence and the optical response of ZnMnO thin films

Autor: Y.J. Onofre, Ariano De Giovanni Rodrigues, Marcio P.F. de Godoy, Cláudio José Magon, Camila Ianhez-Pereira

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

We show in this paper that the valence state of Mn is determinant for the optical response of Zn1−xMnxO thin films. In addition, thermal treatment is an efficient way to tailor these properties. This investigation examines the valence change of man

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33a077f28c7787006299ae003b8ce927

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Compositional Optimization of Emission Properties for Rare-Earth Doped Fluoride Phosphate Glasses: Structural Investigations via NMR, EPR, and Optical Spectroscopies

Autor: Gustavo Galleani, Andrea S. S. de Camargo, Cláudio José Magon, Carsten Doerenkamp, Silvia H. Santagneli, Hellmut Eckert

Publikováno v: Web of Science
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Made available in DSpace on 2020-12-10T20:13:22Z (GMT). No. of bitstreams: 0 Previous issue date: 2019-12-26 Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Deut

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Ammonium hexadeca-oxo-heptavanadate microsquares. A new member in the family of the V7O16 mixed-valence nanostructures

Autor: D. Navas, Mabel Moreno, Harold Lozano, Guillermo González, José Pedro Donoso, Clivia M. Sotomayor-Torres, Cláudio José Magon, Eglantina Benavente

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
New Journal of Chemistry
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

This paper presents a new mixed valence heptavanadate (NH4)2V7O16, obtained from a two-stage treatment in a single container of ammonium metavanadate with hexadecylamine in an acetic medium. The hydrolysis of the precursor under normal conditions lea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1dfe318352dd307c54eab2c1712554a7
http://hdl.handle.net/10261/208967

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Study of ionically conducting nanocomposites for reflective electrochromic devices

Autor: Agnieszka Pawlicka, Cláudio José Magon, W.R. Caliman, José Pedro Donoso, I. D. A. Silva, Jerzy Kanicki, Carla Cristina Schmitt Cavalheiro, Sandra Cerqueira Barros, Maria Manuela Silva, F. Sentanin, R. C. Sabadini

Publikováno v: Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

New, nanocomposite, and ionically conducting membranes have been developed by using plasticized and crosslinked gelatin and clay (montmorillonite SCa-3) with concentration of 1-20 wt%. The samples were studied by FTIR, X-ray diffraction, UV-Vis (tran

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c47aaf6749910be1068a9f60590550b7

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