Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Daniela Russo Leite"'
Autor:
Daniela Russo Leite, Wanda Cecilia Las, Maria Aparecida Zaghete, Mario Cilense, Jose Arana Varela
Publikováno v:
Materials Research, Vol 6, Iss 4, Pp 457-461 (2003)
This paper reports a study of the influence of Cr concentration and preparation method in the electrical conductivity and microstructure of SnO2-based powders doped with Mn and Nb, prepared by an organic route (Pechini method) and a mixture of oxides
Externí odkaz:
https://doaj.org/article/b78a39991db3475c9d9935b5c2ecb17d
Autor:
Alexandre Zirpoli Simões, Miguel Angel Ramírez, José Arana Varela, Cesar Renato Foschini, Mario Cilense, Elson Longo, Daniela Russo Leite, Welson Bassi
Publikováno v:
Journal of the American Ceramic Society. 96:524-530
The effect of seed addition on the microstructure and non-ohmic properties of the SnO2 + 1%CoO + 0.05%Nb2O5 ceramic-based system was analyzed. Two classes of seeds were prepared: 99% SnO2 + 1%CuO and 99% SnO2 + 1%CoO (mol%); both classes were added t
Autor:
Marcelo Ornaghi Orlandi, Mario Cilense, Paulo Roberto Bueno, Elson Longo, Daniela Russo Leite, José Arana Varela
Publikováno v:
physica status solidi (a). 207:457-461
SnO 2 ·CoO·Nb 2 O 5 ceramics doped with TiO 2 have been prepared by a conventional oxide method which focuses its application on low voltage varistors. The dopant was added in 0.5 and 1.0% molar concentrations, and the samples were investigated by
Autor:
Daniela Russo Leite, Carlos O. Paiva-Santos, José Arana Varela, Paulo Roberto Bueno, Mario Cilense, Márcio Sousa Góes
Publikováno v:
Powder Diffraction. 23:S65-S69
The effect of calcination temperature during the formation of the solid solution Sn0.9Ti0.1O2doped with 1.00 mol % CoO and 0.05 mol % Nb2O5is presented. The structural characteristics of this system were studied using X-ray diffraction, and the chang
Publikováno v:
Journal of Materials Science. 41:6193-6197
Fractal dimensions of grain boundary region in doped SnO2 ceramics were determined based on previously derived fractal model. This model considers fractal dimension as a measure of homogeneity of distribution of charge carriers. Application of the de
Publikováno v:
SciELO
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Materials Research, Vol 6, Iss 4, Pp 457-461 (2003)
Materials Research v.6 n.4 2003
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Volume: 6, Issue: 4, Pages: 457-461, Published: DEC 2003
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Materials Research, Vol 6, Iss 4, Pp 457-461 (2003)
Materials Research v.6 n.4 2003
Materials research (São Carlos. Online)
Universidade Federal de São Carlos (UFSCAR)
instacron:ABM ABC ABPOL
Materials Research, Volume: 6, Issue: 4, Pages: 457-461, Published: DEC 2003
Made available in DSpace on 2021-07-14T10:47:44Z (GMT). No. of bitstreams: 0 Previous issue date: 2003-12. Added 1 bitstream(s) on 2021-07-14T11:38:24Z : No. of bitstreams: 1 S1516-14392003000400005.pdf: 774654 bytes, checksum: 869e79186f8c48977ec98d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::18bad0e060b7fe824db4ad186071fc38