Artigo

Relationship between ferroelectric properties and local structure of Pb1−xBaxZr0.40Ti0.60O3 ceramic materials studied by X-ray absorption and Raman spectroscopies

Writers: Alexandre Mesquita, Alain Michalowicz, Jacques Moscovici, Paulo Sergio Pizani, Valmor Roberto Mastelaro Keywords: Ferroelectrics; Relaxor, PBZT; PZT, EXAFS; Raman Abstract: This paper reports on the structural characterization of Pb1−xBaxZr0.40Ti0.60O3 (PBZT) ferroelectric ceramic compositions prepared by […]

Artigo

Catalyst free vapor–solid deposition of morphologically different b-Ga2O3 nanostructure thin films for selective CO gas sensors at low temperature

Writers: Girija, K. and Thirumalairajan, S. and Mastelaro, Valmor R. and Mangalaraj, D. Keywords: Gas; Sensor; X-ray; nanostructures Abstract: In the present work{,} we have demonstrated the deposition of novel morphologically different [small beta]-Ga2O3 nanostructure […]

Artigo

Microstructure effects on BaTiO3/BaTi0.8Zr0.2O3 composites properties

Writers: AMARAL, Thiago Martins; ANTONELLI, Eduardo; OCHOA, Diego Alejandro; GARCÍA, José Eduardo; HERNANDES, Antônio Carlos Keywords: A. Sintering; Barium titanate; Layered ceramics; Dielectric; Ferroelectric and piezoelectric properties Abstract: The dielectric, pyroelectric and ferroelectric properties of bilayered BaTiO3/BaTi0.8Zr0.2O3 ceramics […]

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