Polarization reversal in BaTiO3 nanostructures synthesized by microwave-assisted hydrothermal method

Ivan Velasco-Davalos; Fabian Ambriz-Vargas; Carlos Gómez-Yáñez; Reji Thomas; Andreas Ruediger

doi:10.1016/j.jallcom.2016.01.145

Polarization reversal in BaTiO₃ nanostructures synthesized by microwave-assisted hydrothermal method

Ivan Velasco-Davalos, Fabian Ambriz-Vargas, Carlos Gómez-Yáñez, Reji Thomas, Andreas Ruediger

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

12 Citas (Scopus)

Resumen

Ferroelectric BaTiO₃ nanostructures and thin films were deposited by a microwave assisted hydrothermal process at low temperatures (<250 °C) on metallic Pt/Al₂O₃/SiO₂/Si and Nb:SrTiO₃ (100) substrates. TiO₂ nanoparticles dispersed in the Ba(OH)₂ alkaline solution are used as the precursors withoutany mineralizers. The incorporation of H₂O₂ into precursor solution served as a strong oxidant and catalyst for the uniform nucleation of BaTiO₃ on the substrate surface. The polycrystalline and epitaxial nature of the films were confirmed by atomic force microscopy and x-ray diffraction studies. We report the ferroelectric behavior of BaTiO₃ films on Nb:SrTiO₃ (100) substrates by piezoresponse force microscopy.

Idioma original	Inglés
Páginas (desde-hasta)	268-274
Número de páginas	7
Publicación	Journal of Alloys and Compounds
Volumen	667
DOI	https://doi.org/10.1016/j.jallcom.2016.01.145
Estado	Publicada - 15 may. 2016
Publicado de forma externa	Sí

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abstract = "Ferroelectric BaTiO3 nanostructures and thin films were deposited by a microwave assisted hydrothermal process at low temperatures (<250 °C) on metallic Pt/Al2O3/SiO2/Si and Nb:SrTiO3 (100) substrates. TiO2 nanoparticles dispersed in the Ba(OH)2 alkaline solution are used as the precursors withoutany mineralizers. The incorporation of H2O2 into precursor solution served as a strong oxidant and catalyst for the uniform nucleation of BaTiO3 on the substrate surface. The polycrystalline and epitaxial nature of the films were confirmed by atomic force microscopy and x-ray diffraction studies. We report the ferroelectric behavior of BaTiO3 films on Nb:SrTiO3 (100) substrates by piezoresponse force microscopy.",

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AU - Velasco-Davalos, Ivan

AU - Ambriz-Vargas, Fabian

AU - Gómez-Yáñez, Carlos

AU - Thomas, Reji

AU - Ruediger, Andreas

PY - 2016/5/15

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N2 - Ferroelectric BaTiO3 nanostructures and thin films were deposited by a microwave assisted hydrothermal process at low temperatures (<250 °C) on metallic Pt/Al2O3/SiO2/Si and Nb:SrTiO3 (100) substrates. TiO2 nanoparticles dispersed in the Ba(OH)2 alkaline solution are used as the precursors withoutany mineralizers. The incorporation of H2O2 into precursor solution served as a strong oxidant and catalyst for the uniform nucleation of BaTiO3 on the substrate surface. The polycrystalline and epitaxial nature of the films were confirmed by atomic force microscopy and x-ray diffraction studies. We report the ferroelectric behavior of BaTiO3 films on Nb:SrTiO3 (100) substrates by piezoresponse force microscopy.

AB - Ferroelectric BaTiO3 nanostructures and thin films were deposited by a microwave assisted hydrothermal process at low temperatures (<250 °C) on metallic Pt/Al2O3/SiO2/Si and Nb:SrTiO3 (100) substrates. TiO2 nanoparticles dispersed in the Ba(OH)2 alkaline solution are used as the precursors withoutany mineralizers. The incorporation of H2O2 into precursor solution served as a strong oxidant and catalyst for the uniform nucleation of BaTiO3 on the substrate surface. The polycrystalline and epitaxial nature of the films were confirmed by atomic force microscopy and x-ray diffraction studies. We report the ferroelectric behavior of BaTiO3 films on Nb:SrTiO3 (100) substrates by piezoresponse force microscopy.

KW - BaTiO

KW - Ferroelectric properties

KW - Hydrothermal synthesis

KW - Microwave-assisted hydrothermal

KW - Piezo force microscopy (PFM)

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