Performance of radar absorbing nanocomposites by waveguide measurements

Autor: Jefferson Leixas Capitaneo, Valeska da Rocha Caffarena, Tsuneharu Ogasawara, Magali Silveira Pinho

Publikováno v: Materials Research, Vol 11, Iss 3, Pp 319-324 (2008)

Sol-gel synthesis has been investigated in order to produce stoichiometric compositions of Ba3Co2Fe24O41 (Co2Z) at lower calcination temperatures, using citric acid as quelant complex. Using this method, Co2Z ferrite could be synthesized at 950 °C,

Externí odkaz: https://doaj.org/article/eda0f6fac76c4a34b008a9cf6dab2c45

Preparation of electrodeposited cobalt nanowires

Autor: Valeska da Rocha Caffarena, Jefferson Leixas Capitaneo, Renata Antoun Simão, Alberto Passos Guimarães

Publikováno v: Materials Research, Vol 9, Iss 2, Pp 205-208 (2006)

Nanostructured magnetic materials have great interest because of their applications in high-density magnetic information storage and for magnetic sensors. The electrodeposition of materials into porous alumina arrays is a suitable technique to produc

Externí odkaz: https://doaj.org/article/98ea6305db994c5fb7ce0f1b787eb36e

Characterization of Co-Zn-Doped Z-Type Barium Hexaferrite Produced by Co-Precipitation Method

Autor: Valeska da Rocha Caffarena, Tsuneharu Ogasawara

Publikováno v: Journal of Metastable and Nanocrystalline Materials. :705-710

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e60e9d3518b44bb5eba197eae6baec1b
https://doi.org/10.4028/www.scientific.net/jmnm.20-21.705

Microstructure and hysteresis curves of samarium-holmium-iron garnet synthesized by coprecipitation

Autor: Tsuneharu Ogasawara, Valeska da Rocha Caffarena

Publikováno v: Materials Research, Vol 6, Iss 4, Pp 569-576 (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: 569-576, Published: DEC 2003

An investigation was made into the synthesis and magnetic properties of Sm(3-x)Ho xFe5O12 (samarium-holmium-iron) garnet ferrite, as yet absent from the literature. The material in question was synthesized by co-precipitation, starting from hydrated

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83df668d055921d26cd21a4b65610139
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392003000400025

OTIMIZAÇÃO DA DISTRIBUIÇÃO EM ORBITAIS E PARAMETRIZAÇÃO DE PRIMITIVAS GAUSSIANAS PARA O MODELO DE HARTREE-FOCK POR ALGORITMOS EVOLUCIONÁRIOS

Autor: IURY STEINER DE OLIVEIRA BEZERRA

Publikováno v: Repositório Institucional da PUC-RIO (Projeto Maxwell)
Pontifícia Universidade Católica do Rio de Janeiro (PUC-RIO)
instacron:PUC_RIO

CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO O desenvolvimento da Nanociência e da Nanotecnologia dependem em grande parte do avanço da Química Computacional. Nesse contexto, um dos conceitos mais importantes é o conjunto de fu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::ee57d5006b511e4d3af22da870a974f5
https://www.maxwell.vrac.puc-rio.br/colecao.php?strSecao=resultado&nrSeq=14988@1