Studies on ferroelectric perovskites and Bi‐layered compounds using micro‐Raman spectroscopy

PS Dobal, RS Katiyar - Journal of Raman Spectroscopy, 2002 - Wiley Online Library
This paper provides a review of a systematic micro‐Raman scattering study on various lead‐
and barium‐based ABO3 perovskites (A= Pb, La, Ba, Sr, Ce, Gd, Nd and B= Ti, Zr) …

Lattice dynamics and central-mode phenomena in the dielectric response of ferroelectrics and related materials

E Buixaderas, S Kamba, J Petzelt - Ferroelectrics, 2004 - Taylor & Francis
In this review we describe and discuss recent results on the linear dielectric response of
high-permittivity dielectric crystals and ceramics in the wide frequency range 102–1014Hz …

RbBiNb2O7: A New Lead-Free High-Tc Ferroelectric

BW Li, M Osada, TC Ozawa, T Sasaki - Chemistry of Materials, 2012 - ACS Publications
Ferroelectric materials, which have a reversible spontaneous polarization (Ps) and generate
an electric potential when subjected to a mechanical stress (piezoelectricity), have …

Size effect on the ferroelectric phase transition in nanoparticles

T Yu, ZX Shen, WS Toh, JM Xue, J Wang - Journal of applied physics, 2003 - pubs.aip.org
We report the size effect on the ferroelectric phase transition in SrBi 2 Ta 2 O 9
nanoparticles. Samples with particle sizes between 11 and 71 nm were prepared by a room …

Electronic structure and ferroelectricity in

MG Stachiotti, CO Rodriguez, C Ambrosch-Draxl… - Physical Review B, 2000 - APS
The electronic structure of SrBi 2 Ta 2 O 9 is investigated from first-principles, within the local-
density approximation, using the full-potential linearized augmented plane-wave method …

Phonon-instability-driven phase transitions in ferroelectric : High-pressure Raman and photoluminescence studies

M Maczka, W Paraguassu, AGS Filho, PTC Freire… - Physical Review B …, 2008 - APS
High-pressure Raman scattering and luminescence studies of Bi 2 WO 6: Eu 3+, which is a
member of the bismuth layered Aurivillius family of ferroelectrics, are presented. These …

Effect of lanthanum substitution on the Raman spectra of barium titanate thin films

PS Dobal, A Dixit, RS Katiyar - … Journal for Original Work in all …, 2007 - Wiley Online Library
Thin films of Ba1− xLaxTiO3 on platinum substrates were synthesized using the sol–gel
method for x values of 0.0, 0.03, 0.05, and 0.10, and the effect of trivalent La3+ substitution …

Ferroelastic phase in and study of the ferroelectric phase-transition dynamics

S Kamba, J Pokorný, V Porokhonskyy, J Petzelt… - Applied physics …, 2002 - pubs.aip.org
Polarized microscope observation of ferroelastic domains in a SrBi 2 Ta 2 O 9 (SBT) single
crystal reveals the presence of domains up to T c1≃ 770 K, which supports the ferroelasticity …

A-site substitution effect of strontium on bismuth layered CaBi4Ti4O15 ceramics on electrical and piezoelectric properties

A Tanwar, M Verma, V Gupta, K Sreenivas - Materials Chemistry and …, 2011 - Elsevier
Strontium substituted CaBi4Ti4O15 ceramics with the chemical formula Ca1−
xSrxBi4Ti4O15 (CSBT)(x= 0.0–1.0) have been prepared through conventional solid state …

Probing ballistic photovoltaic currents in Bi6-xPrxTi3Fe2O18 multiferroics

P Zhao, C He, Y Su, Y Zou, Y Bai, S Zhao - Journal of the European …, 2024 - Elsevier
Magnetic field is used to explore the mechanism of ferroelectric-dynamic coupling in the
photovoltaic effect, where the spin–orbit coupling gives rise to and the expansion of …