Results 71 to 80 of about 70,379 (187)

X-ray and dielectric studies of ferroelectric or relaxor phases in the Ca1−xNaxSn1 −xNbxO3 system

open access: yes, 2005
Ceramics with composition Ca1−xNaxSn1−xNbxO3 (0.85 < x < 0.96) were sintered in the temperature range 1200–1400 °C. Dielectric properties of ceramics belonging to the whole composition domain were investigated in a broad range of temperatures (80–600 K ...
BOUDAYA, Chokri   +4 more
core   +1 more source

Application to a relaxor ferroelectric

open access: yes, 2003
The nonlinear dielectric response of a lead titanate-doped lead magnesium niobate relaxor ferroelectric was studied using pseudo-stochastic binary electrical field excitation.
Böhmer, R.   +3 more
core   +1 more source

The origin of ultrahigh piezoelectricity in relaxor-ferroelectric solid solution crystals

open access: yes, 2016
The discovery of ultrahigh piezoelectricity in relaxor-ferroelectric solid solution single crystals is a breakthrough in ferroelectric materials. A key signature of relaxor-ferroelectric solid solutions is the existence of polar nanoregions, a nanoscale ...
Zhuo Xu (1485511)   +12 more
core  

Relaxor behavior of (Ba,Sr)(Zr,Ti)O-3 ferroelectric ceramics

open access: yes, 2005
We examine the ferroelectric-relaxor behavior of (Ba0.65Sr0.35)(Zr0.35Ti0.65)O-3 (BSZT) ceramics in the temperature range from 80 to 380 K. A broad dielectric maximum, which shifts to higher temperature with increasing frequency, signifies the relaxor ...
Chan, H.L.W.   +3 more
core   +2 more sources

Coexistence of ferroelectric and relaxor states in Ba2PrxNd1-xFeNb4O15

open access: yes, 2012
We have investigated the dielectric response of Ba2PrxNd1-xFeNb4O15 ceramics (x = 0, 0.2, 0.5, 0.6, 0.8, 1) in the frequency range from 20 Hz to 1 GHz.
KINKA, Martynas   +7 more
core   +1 more source

Insight into the dynamics of low temperature dielectric relaxation of ordinary perovskite ferroelectrics

open access: yesNew Journal of Physics, 2017
The temperature dependence of the dielectric response of ordinary ferroelectric materials exhibits a frequency-independent anomalous peak as a manifestation of the ferroelectric to paraelectric phase transition.
Rafael Levit   +3 more
doaj   +1 more source

Synthesis of a New Ferroelectric Relaxor Based on a Combination of Antiferroelectric and Paraelectric Systems

open access: yes
Relaxor ferroelectric-based energy storage systems are promising candidates for advanced applications as a result of their fast speed and high energy storage density.
Chun-Hao Ma (3348548)   +11 more
core   +1 more source

A succession of relaxor ferroelectric transitions in Ba0.55Sr0.45TiO3

open access: yes, 2008
We present here the results of frequency dependent dielectric, polarization, and powder x-ray powder diffraction studies in the 300-100 K temperature range for Ba0.55Sr0.45TiO3.
Dhananjai Pandey   +5 more
core   +1 more source

Synthesis and study of structural and electrophysical characteristics of piezoceramic section (1–x)(0.8PbMgNbOBiScO3)⋅ x(0.8PbTiOBiScO3) of the ternary system BiScO3–PbTiO3–PbMgNbO3

open access: yesJournal of Advanced Dielectrics
X-ray diffraction and dielectric studies were performed on synthesized ceramic samples of the section (1–x) (0.8PbMg[Formula: see text]Nb[Formula: see text]O[Formula: see text]BiScO3)⋅ x(0.8PbTiO[Formula: see text]BiScO3) with [Formula: see text]–1 of ...
Artur Nogai   +3 more
doaj   +1 more source

Effect of high pressure on relaxor ferroelectrics

open access: yes, 2002
International audienceWe report results of a high-pressure investigation by Raman spectroscopy of a classic relaxor ferroelectric (relaxor) PbMg1/3Nb2/3O3 (PMN), which is considered to be a model system for the understanding of relaxor and relaxor ...
Dkhil, B.   +7 more
core   +1 more source

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