English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Zendy Plus

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Zendy Tools

Zendy Open

The effect of Sr doping in BaTiO3 (BTO) with nominal compositionsBa0.80Sr0.20TiO3 (BSTO) have been explored in its structural, latticevibration, dielectric, ferroelectric and electrocaloric properties. Thetemperature dependent dielectric results elucidate the enhancement indielectric constant and exhibit three frequency independent transitions around335, 250 and 185 K which are related to different structural transitions. Allthese transitions occur at lower temperature as compared with pristine BTO,however; remnant electric polarization (P) of BSTO is much higher than in BTO.The value of P is around 5 microC/cm2 at room temperature and the maximum Paround 8 microC/cm2 is observed at tetragonal to orthorhombic and orthorhombicto rhombohedral transitions. The electro-caloric effect shows the maximumadiabatic change in temperature deltaT approx 0.24 K at cubic to tetragonaltransition. The temperature dependent synchrotron X-ray diffraction and Ramanresults shows correlations between P, crystal structure and lattice vibrations.Our results demonstrate the enhancement in ferroelectric properties of BTO withSr doping. The origin of the enhancement in ferroelectric property is alsodiscussed which is related to the appearance of superlattice peak around roomtemperature due to TiO6 octahedral distortion. These enhanced properties wouldbe useful to design lead free high quality ferroelectric and piezoelectricmaterials.

Structural correlations in the enhancement of ferroelectric property of Sr doped BaTiO3