Results 21 to 30 of about 288,002 (309)

Giant electromechanical coupling of relaxor ferroelectrics controlled by polar nanoregion vibrations. [PDF]

open access: yesSci Adv, 2016
Polar nanoregion vibrations control the ultrahigh piezoelectric response of relaxor-based ferroelectrics used in applications. Relaxor-based ferroelectrics are prized for their giant electromechanical coupling and have revolutionized sensor and ...
Manley ME   +8 more
europepmc   +2 more sources

Simultaneously achieving giant piezoelectricity and record coercive field enhancement in relaxor-based ferroelectric crystals

open access: yesNature Communications, 2022
High-drive electromechanical applications require ferroelectrics accounting for a large coercive field and high piezoelectricity simultaneously but it is still a challenge. Here, the authors demonstrate it in a relaxor-based ferroelectric crystal.
Liya Yang   +14 more
doaj   +1 more source

On the Enhancement of Energy Storage Performance in Modified Relaxor Ferroelectric Ceramics for Pulsed Power Applications

open access: yesCrystals, 2023
Relaxor-type ferroelectrics show important potential in energy storage fields due to their significantly enhanced energy performance and good temperature stability compared to normal ferroelectrics. Here, a novel, high-performance ternary composition, (0.
Hao Zhang   +6 more
doaj   +1 more source

Origin Of the enhanced flexoelectricity of relaxor ferroelectrics [PDF]

open access: yes, 2013
We have measured the bending-induced polarization of Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals with compositions at the relaxor-ferroelectric phase boundary.
Bursian E. V.   +4 more
core   +2 more sources

Large Piezoelectric Response in Hybrid Rare-Earth Double Perovskite Relaxor Ferroelectrics.

open access: yesJournal of the American Chemical Society, 2020
Piezoelectric materials are technologically important, and the most used are perovskite ferroelectrics. In recent years, more and more emerging areas have put forward new requirements for piezoelectric materials, such as light weight, low acoustic ...
Chao Shi   +7 more
semanticscholar   +1 more source

Comparison of polarization switching in ferroelectric TGS and relaxor SBN crystals [PDF]

open access: yes, 2013
The comparative experimental analysis of polarization reversal kinetics in conventional homogeneous triglycine sulfate ((NH_{2}CH_{2}COOH)_{3} \cdot H_{2}SO_{4}; TGS) and relaxor strontium barium niobate (Sr_{0.61}Ba_{0.39}Nb_{2}O_{6}; SBN) crystals have
Matyjasek, K., Orłowski, M.
core   +3 more sources

Structural phase transition and dielectric relaxation in Pb(Zn1/3Nb2/3)O3 single crystals [PDF]

open access: yes, 2004
The structure and the dielectric properties of Pb(Zn1/3Nb2/3)O3 (PZN) crystal have been investigated by means of high-resolution synchrotron x-ray diffraction (with an x-ray energy of 32 keV) and dielectric spectroscopy (in the frequency range of 100 Hz -
A A Bokov   +20 more
core   +3 more sources

Giant dynamic electromechanical response via field driven pseudo-ergodicity in nonergodic relaxors

open access: yesNature Communications, 2023
Enhanced electromechanical response can commonly be found during the crossover from normal to relaxor ferroelectric state, making relaxors to be potential candidates for actuators.
He Qi   +5 more
doaj   +1 more source

Orbital-Order Driven Ferroelectricity and Dipolar Relaxation Dynamics in Multiferroic GaMo$_4$S$_8$ [PDF]

open access: yes, 2018
We present the results of broadband dielectric spectroscopy of GaMo$_4$S$_8$, a lacunar spinel system that recently was shown to exhibit non-canonical, orbitally-driven ferroelectricity.
Geirhos, K.   +6 more
core   +2 more sources

Origin of dielectric relaxor behavior in PVDF-based copolymer and terpolymer films

open access: yesAIP Advances, 2018
Relaxor ferroelectrics exhibit frequency-dispersion of their dielectric permittivity peak as a function of temperature, the origin of which has been widely debated. Microscopic understanding of such behavior for polymeric ferroelectrics has presented new
Abhijit Pramanick   +8 more
doaj   +1 more source

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