Zobrazeno 1 - 10
of 29
pro vyhledávání: '"L. F Cótica"'
Publikováno v:
Cerâmica, Vol 53, Iss 326, Pp 175-179 (2007)
Os multiferróicos são materiais em que duas ou três propriedades tais como ferroeletricidade, ferromagnetismo e ferroelasticidade são observadas em uma mesma fase. Em particular, os multiferróicos magnetoelétricos representam os materiais que s
Externí odkaz:
https://doaj.org/article/3bb31c3a662a4ee8b99090dad1ea6c4b
Publikováno v:
As Engenharias e seu Papel no Desenvolvimento Autossustentado
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::743d43afb3990a543bf9b1f880caf110
https://doi.org/10.22533/at.ed.4662030069
https://doi.org/10.22533/at.ed.4662030069
Autor:
Raquel Dosciatti Bini, Amar S. Bhalla, G. S. Dias, D. M. Silva, L. F. Cótica, D. Alanis, Ruyan Guo, P.N. Oliveira, I. A. Santos
Publikováno v:
Integrated Ferroelectrics. 174:88-97
Cobalt ferrite magnetic nanoparticles (CFO) and CoFe2O4:BaTiO3 (CFO:BTO) nanocomposites were synthesized successfully by a polymeric method and by a combination of polymeric and citrate-gel methods, respectively. Nanoparticles with a uniform shape, g
Publikováno v:
Integrated Ferroelectrics. 174:203-209
Layered composite electro-ceramics can be designed to exhibit the magnetoelectric (ME) effect based on stress transfer from magnetostriction of ferromagnetic layer to the ferroelectric layer. Many studies in search of giant ME coefficients in layered
Autor:
Ivair A. Santos, José Antonio Eiras, D. Garcia, Amar S. Bhalla, V. F. Freitas, D. M. Silva, D. Z. Montanher, Ruyan Guo, F. J. Gaiotto, L. F. Cótica, J. R. D. Pereira
Publikováno v:
Integrated Ferroelectrics. 174:210-216
Piezoelectric transformers are devices able to raise an electrical input voltage with low energy losses. However, there are a few reports on the designing of multiferroic piezoelectric transformers. In this paper, an alternative bi-layer radial mode
Publikováno v:
Ferroelectrics. 499:76-82
Multiferroic nanocomposites were prepared in a core-shell configuration, in which CoFe2O4 (Cobalt ferrite) is the core and BaTiO3 (Barium Titanate) the shell. The nanocomposites were synthesized by a combination of polymeric and citrate-gel methods.
Publikováno v:
Blucher Chemical Engineering Proceedings.
Publikováno v:
Integrated Ferroelectrics. 166:168-174
The BiFeO3 is a largely studied compound with magnetoeletric coupling at room temperature. This is due its potential technological applications that can be directly used in advanced technologies. BiFeO3 is an oxide with perovskite structure and R3c s
Autor:
Amar S. Bhalla, D. M. Silva, Ruyan Guo, L. F. Cótica, Ivair A. Santos, A. J. Mincache, D. Z. Montanher
Publikováno v:
Integrated Ferroelectrics. 166:175-179
The study of multiferroic materials is of great technological and academic interest because the correlation between ferroelectric and ferromagnetic properties. Among these materials, the compounds with perovskite structures such as those based on BiF
Publikováno v:
Integrated Ferroelectrics. 166:225-231
Multiferroic behavior of magnetoelectric nanoparticles exhibiting both ferromagnetic and ferroelectric properties find significance in various applications. In this study, core-shell magnetoelectric nanoparticles (CSMEN) have been fabricated by coati