Alexander M. Kobald

ORCID: 0009-0003-5276-4598
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About
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Research Areas
  • Ferroelectric and Piezoelectric Materials
  • Multiferroics and related materials
  • Electronic and Structural Properties of Oxides
  • Physics of Superconductivity and Magnetism
  • Semiconductor materials and devices
  • Advanced Thermoelectric Materials and Devices
  • Microwave Dielectric Ceramics Synthesis
  • Magnetic and transport properties of perovskites and related materials

Materials Center Leoben (Austria)
2023-2025

Lead-free sodium niobate (NN) thin films with varying barium titanate (BT) content and 1 mol% manganese were deposited on platinized silicon substrates by chemical solution deposition. Microstructural analysis reveals a change in nucleation mechanism, X-ray diffraction Raman spectroscopy confirmed composition-driven antiferroelectric (AFE) to ferroelectric (FE) phase transition (0.01 < x 0.03), providing stability interval for the AFE despite increasing tolerance factor. The show well-shaped...

10.1016/j.jeurceramsoc.2023.11.071 article EN cc-by Journal of the European Ceramic Society 2023-11-30
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