Additive-free low-temperature densification and dielectric behavior of combustion-derived nanocrystalline CaTiO₃ for LTCC applications

Key Points

• This research aims to synthesize nanocrystalline calcium titanate (CaTiO₃) while avoiding additives for improved densification and dielectric performance.
• Utilized a modified single-step combustion route employing citric acid as fuel.
• Synthesized nanocrystalline powders with nanoscale crystallinity around 18 nm.
• Analyzed dielectric behavior of the derived CaTiO₃.
• The combustion-derived CaTiO₃ exhibited high reactivity, enhancing its densification at low temperatures.
• Dielectric measurements indicated significant improvements in performance, suitable for LTCC applications.