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Novel double structural transition at room temperature in Bi1-xGdxFeO3 system prepared by sol-gel method

2024Open accessMohammed V University

Abstract

Abstract Bi 1-x Gd x FeO 3 \(\text{p}\text{o}\text{w}\text{d}\text{e}\text{r}\text{s} \text{w}\text{i}\text{t}\text{h} 0.00\le x\le 0.20\) were successfully synthesized by sol-gel process. X-ray analyses revealed the existence of a double structural transition from rhombohedral to cubic symmetry for \(x=0.10\) (first transition) and from cubic to orthorhombic symmetry for \(x\ge 0.15\) (second transition). Infrared spectroscopy allows the identification of different bending and stretching vibrations between the different ions. Magnetization hysteresis loops, recorded at room temperature, indicate a typical ferromagnetic-like behaviour. Additionally, differential scanning calorimetry measurements were also performed and discussed.

Research topics

  • Multiferroics and related materials
  • Ferroelectric and Piezoelectric Materials
  • Advanced Condensed Matter Physics

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DOI: 10.21203/rs.3.rs-4158973/v1

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