Mössbauer Spectra of 57Fe-Enriched BiFeO3 Thin Films Fabricated on SiO2/Si Substrates by Chemical Solution Deposition Process

Kiyotaka Tanaka; Yoshinori  Tsukamoto; Soichiro Okamura; Yutaka  Yoshida

doi:10.4028/www.scientific.net/KEM.582.63

Paper Titles

Improvement of Insulation Reliability of BaTiO₃-Based Ceramics Using Mixed Conductive Electrode
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Polarization Switching Dynamics of Ferroelectric (Bi_0.5Na_0.5)TiO₃ Single Crystals
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Preparation of BiFeO₃-BaTiO₃Based Thick Films by Screen Printing
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Synthesis and Properties of Mn-Doped (Bi_0.5Na_0.5)TiO₃ Thin Films by Chemical Solution Deposition
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Mössbauer Spectra of ⁵⁷Fe-Enriched BiFeO₃ Thin Films Fabricated on SiO₂/Si Substrates by Chemical Solution Deposition Process
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Preparation of Barium Titanate/Strontium Titanate Accumulation Ceramics with Necking Structure of Strontium Titanate Nanocubes
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Preparation of Bismuth Based Perovskite Oxides and their Electric Properties
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Preparation of Potassium Niobate/Barium Titanate Nanocomposite Ceramics with a Wide Barium Titanate Particle Size Distribution and their Dielectric Properties
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Preparation of Grain-Oriented Ceramics with Bismuth Potassium Titanate-Barium Titanate and their Piezoelectric Properties
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 582Mössbauer Spectra of 57Fe-Enriched BiFeO3 Thin...

Mössbauer Spectra of ⁵⁷Fe-Enriched BiFeO₃ Thin Films Fabricated on SiO₂/Si Substrates by Chemical Solution Deposition Process

Abstract:

sup>57Fe-enriched BiFeO₃ (BFO) thin films were fabricated on SiO₂/Si substrates from a stoichiometric precursor solution by chemical solution deposition process. The Bi/Fe molar ratio of the thin films decreased from 0.95 to 0.80 with increase in the sintering temperature. A perovskite phase and flat surface were obtained in the BFO thin films sintered at 500 and 600 °C. However, the ⁵⁷Fe Mössbauer spectra showed a mixture phase due to amorphous and/or Bi₂Fe₄O₉ phases in the BFO thin films. The valence state of Fe ions of the BFO thin films was confirmed to be only Fe³⁺ by the Mössbauer spectra.

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Key Engineering Materials (Volume 582)

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63-66

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https://doi.org/10.4028/www.scientific.net/KEM.582.63

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Online since:

September 2013

Authors:

Kiyotaka Tanaka, Yoshinori Tsukamoto, Soichiro Okamura, Yutaka Yoshida

Keywords:

⁵⁷Fe, BiFeO₃, Chemical Solution Deposition, Mössbauer Spectroscopy

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