Zobrazeno 1 - 10
of 66
pro vyhledávání: '"M. H. Lente"'
Autor:
A. S. S. de Camargo, É. R. Botero, L. A. O. Nunes, M. H. Lente, I. A. Santos, É. R. M. Andreeta, D. Garcia, J. A. Eiras
Publikováno v:
Cerâmica, Vol 50, Iss 316, Pp 368-377 (2004)
Cerâmicas ferroelétricas transparentes de titanato zirconato de chumbo modificado com lantânio (PLZT, com La/Zr/Ti=9/65/35) e dopadas com íons terras raras (TR = Nd3+, Er3+, Yb3+, Tm3+ e Ho3+) foram preparadas por prensagem uniaxial a quente com
Externí odkaz:
https://doaj.org/article/a813ac073ef54c1bb3253e5f3125c3f2
Publikováno v:
Cerâmica, Vol 49, Iss 310, Pp 92-98 (2003)
Cerâmicas ferroelétricas transparentes têm sido largamente empregadas em dispositivos ópticos e eletro-ópticos. Neste trabalho apresentamos recentes progressos alcançados pelo GCFerr/DF-UFSCar na obtenção de cerâmicas ferroelétricas transpa
Externí odkaz:
https://doaj.org/article/174d1ff70f034750979f92d503742dbe
Publikováno v:
Cerâmica, Vol 46, Iss 298, Pp 61-66 (2000)
Neste trabalho o processo de reorientação dos domínios durante a polarização foi investigado em cerâmicas de PZT "puras" e dopadas com Nb2O5 ou Fe2O3 a partir de medidas do transiente de corrente elétrica e histerese ferroelétrica. Os resulta
Externí odkaz:
https://doaj.org/article/4c9dd7ae20c24f3aa98c67e5099784c9
Autor:
Adriana Maria da Silva, João Paulo Barros Machado, M. H. Lente, Mayara dos Santos Amarante, Vera Lúcia Othéro de Brito, Sabrina Morais da Silva
Publikováno v:
Ceramics International. 47:12600-12612
Particulate magnetoelectric ceramic composites (PMCC) have received much attention since the last decade. These composites have many technological applications and are usually composed by magnetostrictive and piezoelectric phases. Cobalt-based spinel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b2884df87fa7ed0781e9c0d247d81525
https://doi.org/10.1016/j.ceramint.2021.01.119
https://doi.org/10.1016/j.ceramint.2021.01.119
Publikováno v:
Ferroelectrics. 557:73-84
Real-time tuning of photoluminescence properties are highly desirable for potential applications. Thus, one proposed approach is to tune the photoluminescence emissions by applying an external electric field. However, in order to switch the ferroelec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c60cdfc59547b1b65175c6639dd6a0cc
https://doi.org/10.1080/00150193.2020.1713351
https://doi.org/10.1080/00150193.2020.1713351
Autor:
M. H. Lente, R. C. Gennari, N. F. da Costa Vargas, P. T. P. de Abreu, Rossano Lang, José Antonio Eiras
Publikováno v:
Ferroelectrics. 545:97-108
The influence of sintering temperature on the optical properties of (K0.8Ba0.2)(Nb0.9Ni0.1)O3-δ (KBNNO) and Pb(Ti0.9Ni0.1)O3-δ (PTNi) ceramics was investigated. It was found that by increasing the ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc9ce43669771ed0d4a05f079470e040
https://doi.org/10.1080/00150193.2019.1621694
https://doi.org/10.1080/00150193.2019.1621694
Production and characterization of (K Na)(Nb Cu)O3 crystal fibers grown by micro-pulling-down method
Autor:
José Antonio Eiras, M. H. Lente, M. V. S. Silva, André Marino Gonçalves, Sonia Licia Baldochi, Ana Maria do Espírito Santo
Publikováno v:
Ferroelectrics. 545:89-96
Cu-doped sodium potassium niobate single crystal fibers (KNN-Cu) were grown by the micro-pulling-down technique under different atmospheres, namely, argon, synthetic air and oxygen. The str...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fff8a5d6aed579935e0fa5f35f78653c
https://doi.org/10.1080/00150193.2019.1621693
https://doi.org/10.1080/00150193.2019.1621693
Publikováno v:
Ferroelectrics. 545:80-88
In this work, (K0.48Na0.52)NbO3 (KNN) ceramics were prepared by using Spark Plasma Sintering (SPS) method applying different heating rates. The microstructural evolution of the ceramics was analyze...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2fea6566626ac25b70458bd308a5b306
https://doi.org/10.1080/00150193.2019.1621692
https://doi.org/10.1080/00150193.2019.1621692
Publikováno v:
Journal of the American Ceramic Society. 102:3923-3931
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02e7d76b42e4f109324548bdc84bde3a
https://doi.org/10.1111/jace.16267
https://doi.org/10.1111/jace.16267
Autor:
Valmor Roberto Mastelaro, Mahmoud S. Alkathy, José Antonio Eiras, M. H. Lente, Natália F. C. Vargas
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___::4be7ec96994ae76f9073491448ebf50f
