A Comparative Analysis of BaTiO3/(Ba,Sr)TiO3 and BaTiO3/(Ba,Sr)TiO3/SrTiO3 Artificial Superlattices via Raman Spectroscopy

AUTOR(ES)

Maslova, Olga Aleksandrovna, Yuzyuk, Yuri Ivanovich, Ortega, Nora, Kumar, Ashok, Katiyar, Ram, Barannikova, Svetlana Aleksandrovna

FONTE

Mat. Res.

DATA DE PUBLICAÇÃO

14/11/2018

RESUMO

BaTiO3/Ba50Sr50TiO3 and BaTiO3/Ba50Sr50TiO3/SrTiO3 superlattices are characterized via Raman spectroscopy. Special attention is paid to a comprehensive analysis of their polarized Raman spectra, especially, within a soft mode (E(1TO)) range. The shift of E(1TO) soft mode is found to be more pronounced for BaTiO3/Ba50Sr50TiO3/SrTiO3 sample than for BaTiO3/Ba50Sr50TiO3, presumably owing to stronger 2D compression of BT layers and abruptly increased temperature of transition from ferroelectric to paraelectric phase.

Documentos Relacionados

• Effects of La2O3-Doping and Sintering Temperature on the Dielectric Properties of BaSrTiO3 Ceramics
• Síntese e caracterização de nanoilhas de PZT e BaTiO3
• Preparação e caracterização de fibras monocristalinas de SrTiO3, SrTi(1-X)RuXO3 e de Sr2RuO4.
• Obtenção de pós e filmes finos do sistema SrTiO3:Nd
• Caracterização térmica e estrutural de pós e filmes finos de BaTiO3 sintetizados via método Pechini