Ferroelectric properties of charge-ordered alpha-(BEDT-TTF)2I3 [PDF]
, 2015 A detailed investigation of the out-of-plane electrical properties of charge-ordered alpha-(BEDT-TTF)2I3 provides clear evidence for ferroelectricity. Similar to multiferroic alpha-(BEDT-TTF)2Cu[N(CN)2]Cl, the polar order in this material is ascribed to ...
Hartmann, B. +6 more
core +2 more sources
Temperature evolution of diffuse scattering in Sr0.6Ba0.4Nb2O6 single crystal in the relaxor state
St. Petersburg Polytechnical University Journal: Physics and Mathematics, 2020 Temperature dependences of diffuse scattering of synchrotron radiation on model relaxor single crystal Sr0.6Ba0.4Nb2O6 have been studied in the temperature interval 90 – 290 K in the vicinities of lattice points (3 3 2), (4 1 2) and (0 0 2) in the ...
Vanina Polina +4 more
doaj +1 more source
Advances in the Growth and Characterization of Relaxor-PT-Based Ferroelectric Single Crystals
Crystals, 2014 Compared to Pb(Zr1−xTix)O3 (PZT) polycrystalline ceramics, relaxor-PT single crystals offer significantly improved performance with extremely high electromechanical coupling and piezoelectric coefficients, making them promising materials for ...
Jun Luo, Shujun Zhang
doaj +1 more source
Investigations on Fe-doped strontium barium niobate, single phase ferroelectric and magnetodielectric compounds [PDF]
Journal of Advanced Dielectrics, 2015 To understand possible interaction between magnetic and electric order parameters of Fe-doped SrxBa1-xNb2O6 (SBN), Fe-doped Sr0.5Ba0.5Nb2O6 (SBN50) and Sr0.4Ba0.6Nb2O6 (SBN40) are synthesized and investigated.
S. H. Kshirsagar +4 more
doaj +1 more source
Origin of the "Waterfall" Effect in Phonon Dispersion of Relaxor Perovskites [PDF]
, 2003 Inelastic neutron scattering study of the perovskite relaxor ferroelectric PZN:8%PT elucidates the origin of the previously reported unusual kink on the low frequency transverse phonon dispersion curve (known as "waterfall" effect).
Hlinka, J. +5 more
core +2 more sources
Random electric field instabilities of relaxor ferroelectrics
npj Quantum Materials, 2017 Complex oxides: A random field state in a relaxor ferroelectric A microscopic model shows how compositional disorder in the form of quenched random electric fields acting in concert with dipolar interactions prohibit long-range ordering in relaxor ...
José R. Arce-Gamboa +1 more
doaj +1 more source
Synchrotron x-ray Studies of Superlattice Ordering in Pb(Mg1/3Nb2/3)O3 Single Crystals Doped with PbTiO3 [PDF]
, 2003 The temperature dependence of the superlattice reflections: a) F spots and b) alpha spots in a lead magnesium niobate (PMN) single crystals containing 0% and 6% of PbTiO3 (PT) has been studied using synchrotron x-ray scattering techniques.
Chen, Haydn +3 more
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Evolution of dielectric and ferroelectric relaxor states in Al3+-doped BaTiO3
AIP Advances, 2015 In ferroelectric BaTiO3, we report the evolution of the Dielectric Relaxor and Ferroelectric Relaxor states as a function of B-site doped Al3+ concentration. The relaxor states occur after the paraelectric-ferroelectric phase transition upon cooling. Two
K. Vani, Viswanathan Kumar
doaj +1 more source
Barkhausen Noise in a Relaxor Ferroelectric
, 2001 Barkhausen noise, including both periodic and aperiodic components, is found in and near the relaxor regime of a familiar relaxor ferroelectric, PbMg$_{1/3}$Nb$_{2/3}$O$_3$, driven by a periodic electric field.
D. Viehland +12 more
core +1 more source
Spatially Resolved Mapping of Local Polarization Dynamics in an Ergodic Phase of Ferroelectric Relaxor [PDF]
, 2008 Spatial variability of polarization relaxation kinetics in relaxor ferroelectric 0.9Pb(Mg1/3Nb2/3)O3-0.1PbTiO3 is studied using time-resolved Piezoresponse Force Microscopy.
A. A. Bokov +11 more
core +3 more sources