Results 291 to 300 of about 292,067 (328)

Dynamics in relaxor ferroelectric polymers

14th IEEE International Symposium on Applications of Ferroelectrics, 2004. ISAF-04. 2004, 2005
Normal ferroelectric poly(vinylidene fluoride-trifluoroethylene) [P(VDF-TrFE)] copolymer have been converted into relaxor ferroelectrics by introducing appropriate amount of defects into the original polar crystallites, which is achieved either by high-energy electron irradiation or by copolymerizing with a third bulky monomer 1,1-chlorofluoroethylene (
S.H. Zhang, C. Huang, R.J. Klein, F. Xia, D. Jeong, K.L. Ren, Q.M. Zhang, F. Bauer   +7 more
openaire   +1 more source

Tetragonal-structured PLZT relaxor ferroelectrics

Ferroelectrics, 1994
Abstract Tetragonal La-modified lead zirconate titanate ceramics (PLZT) with a Zr/Ti ratio of 40/60 (x/40/60) with La contents (x) between 12 and 21 atomic% were prepared by the mixed oxide method and were subsequently characterized using dielectric spectroscopy.
Xunhu Dai, Dwight Viehland
openaire   +1 more source

Recent progress in relaxor ferroelectrics with perovskite structure

Progress in Advanced Dielectrics, 2020
A. Bokov, Z. Ye
semanticscholar   +1 more source

Phases in relaxor ferroelectric crystals

ISAF 2000. Proceedings of the 2000 12th IEEE International Symposium on Applications of Ferroelectrics (IEEE Cat. No.00CH37076), 2002
The dielectric permittivity and domain structures have been measured as a function of temperature in relaxor ferroelectric single crystals (PbMg/sub 1/3/Nb/sub 2/3/O/sub 3/)/sub 1-x/(PbTiO/sub 3/)/sub x/ (PMN-xPT) for x=0.31 and 0.34. Both PMN-31%PT and PMN-34%PT crystals show complex dielectric and domain configurations with coexistence of trigonal ...
V.H. Schmidt, null Chi-Shun Tu, B.-C. Cheng   +2 more
openaire   +1 more source

Mixed systems of ferroelectric relaxors

Ferroelectrics, 2001
The random field based model for calculation of mixed systems of ferroelectric relaxors is proposed. Different orientations of electric dipoles related to different solid solution components and contribution of random field nonlinear and correlation effects were taken into account.
M. D. Glinchuk, E. A. Eliseev, V. A. Stephanovich, B. Hilczer   +3 more
openaire   +1 more source

Relaxor ferroelectrics and intrinsic inhomogeneity

Europhysics Letters (EPL), 2005
Relaxor ferroelectrics (RF) are characterized by diffuse ferroelectric transitions and high and frequency-dependent dielectric susceptibilities. Non-RFs show high dielectric responses only in the direct vicinity of the transition temperature whereas RFs exhibit high responses over a large temperature range.
Bussmann-Holder, A., Bishop, A., Egami, T.   +2 more
openaire   +2 more sources

Phase Transitions in Relaxor Ferroelectricity

Ferroelectrics, 2007
Relaxors have a wide variety of industrial applications because of their high permittivity and piezoelectricity around room temperature. Although the microscopic mechanism of the relaxor behavior has not been fully elucidated yet, there are some fundamental developments in the experimental studies in the last decade, which are briefly reviewed in this ...
openaire   +1 more source

Relaxor Ferroelectrics for Electrostrictive Transducer

1992
Abstract : The objective of this program is to investigate the potential of electrostrictive actuator materials for use in NAVY-type sonar. The anticipated performance requirements for such materials is summarized in the following: Operating temperature range 0-30 C; High sensitivity; i.e.
Sei-Joo Jang, Thomas R. Shrout
openaire   +1 more source

Towards two-dimensional van der Waals ferroelectrics

Nature Materials, 2023
Lu You, David H Cobden, Junling Wang
exaly  

Ultra-high energy storage performance under low electric fields in Na0.5Bi0.5TiO3-based relaxor ferroelectrics for pulse capacitor applications

Ceramics International, 2020
Lei Zhang, Y. Pu, Min Chen
semanticscholar   +1 more source