Quasi-rapid thermal annealing studies on barium strontium titanate thin films deposited on fused silica substrates

Saravanan, K.; Raju, K. C. James

doi:10.1016/j.jallcom.2013.03.117

Cited by 4 publications

(1 citation statement)

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“…As above-described XRD analysis, the primary crystallites in the Ba 0.7 Sr 0.3 TiO 3 particles obtained at 180 ˚C for 15 h have an average size of 22 nm, which can verify the aggregation characteristic of the Ba 0.7 Sr 0.3 TiO 3 particles. Further MHS treatment would result in the inside-out ripening of the particles [12,[14][15][16]. The smaller or loosely packed Ba 0.7 Sr 0.3 TiO 3 crystallites inside the particles would dissolve and diffuse outward.…”

Section: Resultsmentioning

confidence: 99%

Synthesis of Hollow Ba0.7Sr0.3TiO3 Nanocubes by Using Molten Hydrated Salt as a Solvent

Zhu

Gao

et al. 2014

AMR

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Perovskite Ba0.7Sr0.3TiO3nanocubes with a hollow structure were prepared by molten hydrated salt method at 180 °C for 15 h, using Ba (OH)2·8H2O, Sr (OH)2·8H2O and anatase-TiO2as raw materials without any additive or template. The phase composition, morphology and microstructure of the products were characterized by XRD, SEM, TEM and HRTEM. The XRD result indicates that the products are phase pure cubic Ba0.7Sr0.3TiO3, with the calculated unit cella=0.3965 nm. The SEM, TEM and HRTEM results show that the products with polycrystalline structure are composed of the hollow nanocubes whose average edge length is about 180 nm, and their morphologies are greatly influenced by reaction temperature and reaction time. In addition, the formation mechanism of the hollow nanocubes also was discussed.

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Section: Resultsmentioning

confidence: 99%