Zobrazeno 1 - 10
of 411
pro vyhledávání: '"J.A. Eiras"'
Publikováno v:
Boletín de la Sociedad Española de Cerámica y Vidrio, Vol 56, Iss 1, Pp 13-18 (2017)
Preventing the formation of the pyrochlore phase in the synthesis of PZN-PT powders requires controlling calcination parameters such as temperature, soaking time and atmosphere. These parameters were examined extensively to determine the time and tem
Externí odkaz:
https://doaj.org/article/aceb8cb560e94620820881f6b6c0d968
Publikováno v:
Materials Research, Vol 6, Iss 1, Pp 97-101 (2003)
In this study a coaxial line was used to connect a microwave-frequency Network Analyzer and a base moving sample holder for dielectric characterization of ferroelectric materials in the microwave range. The main innovation of the technique is the int
Externí odkaz:
https://doaj.org/article/179ecf57e32a428d98958188e0466d42
Publikováno v:
Materials Research, Vol 5, Iss 1, Pp 13-19 (2002)
Tungsten bonze structured lead barium niobate (Pb1-xBa xNb2O6) ferroelectric ceramics were prepared by the conventional mixed oxide method and their dielectric properties were carefully investigated. All studied samples presented elevated values of m
Externí odkaz:
https://doaj.org/article/0a35305290024769b37c0e39451c99e3
Publikováno v:
Materials Research, Vol 5, Iss 1, Pp 57-62 (2002)
The structure of polycrystalline strontium barium niobate at room temperature was refined by the Rietveld method. Sintered ceramic samples were used to collect powder neutron and X-ray diffraction data. The ratio Sr/Ba ~ 64/36 was found from the init
Externí odkaz:
https://doaj.org/article/74ae2c419a28468e90564fb4c625e250
Publikováno v:
Materials Research, Vol 4, Iss 4, Pp 291-295 (2001)
Lanthanum-modified lead zirconate titanate (PLZT) ceramics were obtained with high transmittance in the visible range by a combination of an inexpensive chemical processing and hot pressing. Optical, microstructural, pyroelectric, ferroelectric and d
Externí odkaz:
https://doaj.org/article/0fdf85cdcd084a758775dafaef72ab37
Publikováno v:
Materials Research, Vol 4, Iss 2, Pp 113-116 (2001)
Strontium barium niobate (SBN) thin films of good quality were deposited on Pt/Ti/SiO2/Si substrate using a polymeric resin containing metallic ions. Films were crystallized at different temperatures and for different duration of time. The structure
Externí odkaz:
https://doaj.org/article/3c083123664f4f318224b87eb1f49369
Autor:
E.B. Araújo, J.A. Eiras
Publikováno v:
Materials Research, Vol 2, Iss 1, Pp 17-21 (1999)
This work describes an alternative method for the preparation of ferroelectric thin films based on pre-calcination of oxides, to be used as precursor material for a solution preparation. In order to show the viability of the proposed method, PbZr0.53
Externí odkaz:
https://doaj.org/article/0bfbf9f7c2d84dbb85088755e6d78a46
Autor:
Mahmoud S. Alkathy, Attaur Rahman, Fabio L. Zabotto, Flavio Paulo Milton, K.C. James Raju, J.A. Eiras
Publikováno v:
Ceramics International. 48:30041-30051
Publikováno v:
Ceramics International. 48:11805-11811
Autor:
Mahmoud.S. Alkathy, Attaur Rahaman, Valmor R. Mastelaro, Fabio.L. Zabotto, Flavio Paulo Milton, J.A. Eiras
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::82ea4bae39ae641be8002bbb468b5551