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Neodymium and zirconium modified strontium bismuth titanate ceramics with content changing from 2.5 to 10 at% Nd and a 2.5 at% Zr of SrBi4Ti4O15 (SrNdxBi4-xZryTi4-yO15, (x = 0.00, 0.025, 0.05, 0.07...

Lead-free Ba1−xCaxZr0.1Ti0.9O3 thin films were deposited by sol-gel synthesis route. Dielectric studies demonstrate that the BCZT film for x = 0.15 exhibits a high dielectric constant e′∼5838 and a...

Effect of carbon nanotubes (CNTs) in ferroelectric liquid crystal (FLC) is studied using a combination of Flory-Huggins theory and Landau theory. An appreciable change in polarisation, tilt angle a...

In this work, a modified sintering method, i.e. the three-step sintering technology, has been applied to fabricate the K0.5Na0.5NbO3 ceramics. The impact of the detailed sintering conditions on the...

Ferroelectric Bi3.25Nd0.75Ti3O12 (BNT), BiFeO3 (BFO) and Bi3.25Nd0.75Ti3O12-BiFeO3 (BNT-BFO) composite thin films were deposited onto Pt/Ti/SiO2/Si(100) substrates using the sol–gel process. X-ray ...

Polarisation vortex structures in ferroelectric materials are being considered as a promising alternative to current memory cells due to the merit of high storage density. However, ferroelectric st...

The recent discovery of the splay nematic phase, a new nematic polymorph that has been found to be both polar and ferroelectric, is the lead paragraph in an entirely new chapter in the history of l...

Effects of ferroelectric nanoparticles on the smectic-A to chiral smectic-C ∗ transition are studied theoretically. The temperature dependence of the spontaneous polarisation, tilt angle and dielec...

For many decades, switching of ferroelectric polarization has been considered as a process of nucleation and growth of domains. Due to this mechanism, the switching time is limited from below to na...

We consider a bulk system of ferroelectric bilayer with an antiferroelectric interface coupling between two similar materials which have second-order phase transitions. Landau theory and Landau–Kha...

The ferroelectric, lead-free perovskite sodium bismuth titanate-barium titanate (BNT-BT) has excellent electrical performance and is now recognized as a possible alternative material for lead zirco...

The influence of proton radiation on the achiral structural transition at 180° domain walls in tetragonal ferroelectric BaTiO3 is theoretically studied in this work. The proton-induced oxygen vacan...

This work reports experimental results for investigating the effects of residual water on phase transition in triglycine sulfate (TGS) filled with 5 wt% of oxidized multiwalled carbon nanotubes (OM...

x,T-phase diagram of the solid solution of multiferroic PbFe1/2Ta1/2O3 with ferroelectric PbTiO3 for the 0 ≤ x ≤ 0.3 compositional range was plotted for the first time using the data of dielectric,...

We studied the transient and relaxation processes occurring in ferroelectric ceramics under the influence of dc electric field. Precision measurements of the impedance spectra of ferroelectric cera...

The microstructure, dielectric and magnetic characteristics, and magnetodielectric effect in multiferroic 0.5BiFeO3-0.5PbFe0.5Nb0.5O3 ceramics are studied. It is determined that 0.5BiFeO3-5PbFe0.5N...

The results of comparative multifractal studies of the grain structure of different ceramic piezoelectric materials are presented. Hard and soft ferroelectric ceramic materials as well as materials...

Using the Euler-Lagrange dynamics of the Landau-Ginzburg-Devonshire functional for homogeneous ferroelectric chain in the spatial continuous limit, (1 + 1)D-nonlinear Klein-Gordon-Fock equation has...

Thermodynamic models based on the Landau free-energy density are popular and well suited to study the phase transition properties of ferroelectric and antiferroelectric liquid crystals. Ferroelectr...

We investigate the properties of quasi-two-dimensional electron gas at the interface between ferroelectric oxide and insulating oxide in Ba0.8Sr0.2TiO3/LaMnO3 heterostructure after applying magneti...

By simulating the effect of interfering shear waves on a ferroelectric through a layer of a liquid electrode, it was shown that it is possible to form not only micro-, but also submicron domain str...

The polarization switching kinetics of ferroelectric crystals and the transition between homogeneous and domain switching in the nanoscale ferroelectric films are considered. Homogeneous switching ...

LaBGeO5 crystals emerged as the most promising candidates for UV laser sources based on a frequency conversion. Creation of periodical domain structures in LaBGeO5 for frequency conversion requires...

The results of a study of the permittivity e΄ and the third harmonic coefficient γ3ω of diisopropylammonium iodide (DIPAI), embedded in porous glass with a pore size of ∼100 nm, are presented. For ...

The results of studying ferroelectric materials obtained at the Institute of Automation and Electrometry of the Siberian Branch of the Russian Academy of Sciences in 1973-2020 are reported. Mechani...

Influence of A-site doping with Li+, Ag+, and K+ cations on structure, microstructure, dielectric, ferroelectric, and local piezoelectric properties of potassium niobate (K0.5Na0.5)NbO3 ceramics wa...

A mechanism of the ferroelectric phase transition in nanocomposite materials based on porous glasses with the average pore diameter of 7 nm with embedded sodium nitrite has been discussed. The resu...

This article reveals a ferroelectric liquid crystal Dammann grating (FLCDG) based polarisation-modulation system for three-dimensional imaging (3D-imaging) device, which seriously increases the det...

Raman scattering spectra in single crystals of lithium tantalate at 180-degree scattering geometry in a wide spectral frequency range (50 ÷ 2800 cm−1) were studied. Raman peaks were found in 1300 ÷...

Temperature evolution of the crystal structure and the third harmonic coefficient of potassium nitrate KNO3 nanoparticles embedded in the pores of porous alumina oxide Al2O3 films with nanometer si...

The present paper is devoted to the study on the dielectric properties and microstructure of samples of multicomponent ceramics of the PZT system with various Curie temperatures. The coexistence of...

The process of Rb2ZnCl4 crystal repolarization under the harmonic electric field influence in the ferroelectric phase near the Curie temperature was studied by the harmonic analysis method. The stu...

Bi0.9Nd0. 1Fe1–xCoxO3 (x = 0.025, 0.050, 0.075 and 0.1) solid solutions have been synthesized by doping of Co3+ at the Fe3+ site using solid-state reaction method. The prepared solid solutions have...

The powder samples of (Na0.5Bi0.5)0.705Ba0.045Sr0.25TiO3-xNb2O5 (NBBSNT) were synthesized by a wet solid-phase method. The effects of Nb-doping on morphology, ferroelectric and dielectric propertie...

In this work, structural, dielectric, ferroelectric, and ferromagnetic properties of BaTi1–xFexO3 (0

Perovskite BiFeO3 (BFO), and Bi1-xLaxFe0.98Cu0.02O3 (x ≤ 0.05) multiferroic ceramics were prepared by conventional sol-gel method. The influence of (La, Cu) co-doping on the structure, morphology, ...

The present article addresses the old problem of correct estimation of ferroelectric parameters from the hysteresis loop. Experimental study of thin polycrystalline PZT films shows that the presenc...

Ferroelectric polycrystalline samples of Ba4Na2Nb10O30 with rare earth neodymium ion, member of the family of TB, were prepared using a high temperature solid state reaction technique and studied t...

The present study is devoted to clarifying effects of carbonization toward cellulose nanoparticles that are pre-carbonized at different temperatures of 240, 250, 340 and 400 °C on the phase transit...

We report piezo force microscopy (PFM) investigations on the ferroelectric switching characteristics of spherical and rod shaped non-interacting nanocrystalline BaTiO3 (BTO). Polarization-voltage h...

Two phenomenological models, namely the compressible Ising model and Landau model, have been used to analyze the specific heat and the dielectric constant data, respectively for the pure and Nd3+ d...

The anomalous behavior of the specific heat for β-glycine was analyzed in terms of the compressible Ising model approximately 5 K below and above the ferrelectric-paraelectric phase transition temp...

In this paper, effects of sintering temperature (Ts) and dwell time (td) on crystalline structure, microstructure and electrical properties (dielectric and ferroelectric) of BiFe0.96 Zn0.02Ti0.02O3...

The ferroelectric and piezoelectric behaviour of a composite polymer ferroelectric (PF) based on ferroelectric polymer [polyvinyledene fluoride (PVDF)] and nano barium titanate (n-BaTiO3) with diff...