Revealing the role of the constant phase element in relaxor ferroelectrics
Relaxor ferroelectrics exhibit both static and dynamic local structural order which controls
their frequency-dependent electrical properties. A combination of advanced scattering and …
their frequency-dependent electrical properties. A combination of advanced scattering and …
Central peaks, acoustic modes, and the dynamics of polar nanoregions in single crystals studied by Brillouin spectroscopy
Temperature dependence of acoustic behaviors and quasielastic central peaks (CPs) of Pb
[(Zn 1∕ 3 Nb 2∕ 3) x Ti 1− x] O 3 (PZN-x PT) single crystals with x= 4.5% and 9% have …
[(Zn 1∕ 3 Nb 2∕ 3) x Ti 1− x] O 3 (PZN-x PT) single crystals with x= 4.5% and 9% have …
Role of polar nanoregions with weak random fields in Pb-based perovskite ferroelectrics
MA Helal, M Aftabuzzaman, S Tsukada, S Kojima - Scientific reports, 2017 - nature.com
In relaxor ferroelectrics, the role of randomly orientated polar nanoregions (PNRs) with weak
random fields (RFs) is one of the most puzzling issues of materials science. The relaxation …
random fields (RFs) is one of the most puzzling issues of materials science. The relaxation …
Transformation processes in relaxor ferroelectric PbSc0.5Ta0.5O3 heavily doped with Nb and Sn
The effect of a third type of B-site cation on the temperature-and pressure-induced structural
changes in ABO3-type relaxors has been studied by in-situ Raman scattering and X-ray …
changes in ABO3-type relaxors has been studied by in-situ Raman scattering and X-ray …
Relaxor behaviour in ferroelectric ceramics
A Peláiz-Barranco, F Calderón-Piñar… - Advances in …, 2012 - books.google.com
Ferroelectric materials are commonly characterized by high dielectric permittivity values [1].
Usually, for the well-known 'normal'ferroelectrics the temperature of the maximum real di …
Usually, for the well-known 'normal'ferroelectrics the temperature of the maximum real di …
Ferroelectric precursor behavior of highly cation-ordered PbSc0. 5Ta0. 5O3 detected by acoustic emission: tweed and polar nanoregions
Highly ordered ferroelectric PbSc 0.5 Ta 0.5 O 3 crystals were studied by acoustic emission
over a wide temperature range. Acoustic emission was found at three characteristic …
over a wide temperature range. Acoustic emission was found at three characteristic …
Interrelationship between phase transition characteristics and piezoelectric response in lead lanthanum zirconate titanate relaxor ceramics
Dielectric and piezoelectric responses are investigated in relaxor-like lanthanum-modified
lead zirconate titanate (PLZT) ceramics, for a La/Zr/Ti ratio of x/60/40 (x= 8 and 10 at.%) …
lead zirconate titanate (PLZT) ceramics, for a La/Zr/Ti ratio of x/60/40 (x= 8 and 10 at.%) …
Macroscopic symmetry breaking and piezoelectricity in relaxor ferroelectric lead magnesium niobate
The piezoelectricity and electrostriction of a single crystal of the archetypical relaxor, lead
magnesium niobate,(PbMg 1∕ 3 Nb 2∕ 3 O 3, PMN), have been investigated by resonant …
magnesium niobate,(PbMg 1∕ 3 Nb 2∕ 3 O 3, PMN), have been investigated by resonant …
Intrinsic and extrinsic central peaks in the Brillouin light scattering spectrum of the uniaxial ferroelectric relaxor Sr0. 61Ba0. 39Nb2O6
Broadband Brillouin scattering of Sr 0.61 Ba 0.39 Nb 2 O 6 uniaxial ferroelectric relaxors has
been investigated. One broader central peak (CP) appeared at all temperatures and was …
been investigated. One broader central peak (CP) appeared at all temperatures and was …
Effect of La doping on the ferroic order in Pb-based perovskite-type relaxor ferroelectrics
The structural alteration induced by the substitution of three-valent cations with an isotropic
electronic outermost shell for Pb 2+ in perovskite-type relaxors was investigated in the solid …
electronic outermost shell for Pb 2+ in perovskite-type relaxors was investigated in the solid …