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Features of the structural and dielectric properties in BaTi1-xSnxO3 ferroelectric ceramics
(2023-07-27)
Article
Restricted access - publisher's policyThe demand to produce clean energy has been increasing over the last years due to the various climate changes, which are strongly afflicting the world. Therefore, it is necessary to implement new and alternative energy ... -
In-depth analysis of smooth and nonsmooth bifurcations for an open-loop boost converter feeding constant power loads in discontinuous conduction mode
(2023-03-30)
Article
Restricted access - publisher's policyThis paper presents a study of the existence conditions of limit cycles and mechanisms when losing their stability in an open-loop DC–DC boost converter loaded with a constant power load and operating in discontinuous ... -
Light-induced strain and its correlation with the optical absorption at charged domain walls in polycrystalline ferroelectrics
(Elsevier, 2023-06)
Article
Open AccessPhotostrictive materials have a growing interest because of their great potential as light-driven actuators, among other optomechanical applications. In this context, the optical control of macroscopic strain in ferroelectrics ... -
Visible-light-control of dielectric permittivity in ferroelectrics with charged domain walls
(American Physical Society (APS), 2023-03-29)
Article
Restricted access - publisher's policyOptical control of functional properties in ferroic materials is now a highly appealing topic because it may entail different paradigms for future technologies. In ferroelectrics, in particular, controlling the properties ... -
Bifurcation phenomena in open-loop DCM-operated DC–DC switching converters feeding constant power loads
(2023-02-19)
Article
Open AccessConstant power loading is an effect that appears in multiple-stage energy conversion systems with individually regulated switching power converters. In a two-stage system, an upstream or source converter drives one or more ... -
Light-driven motion of charged domain walls in isolated ferroelectrics
(American Physical Society (APS), 2022-12-26)
Article
Open AccessLight-induced ferroelectric domain wall motion turns out to be a promising phenomenon to de- velop new photo-controlled devices. However, the physical origin of this ligh-matter coupling when material is irradiated with ... -
Tailoring the microstructure by a proper electric current control in flash sintering: The case of barium titanate
(Elsevier, 2022-10)
Article
Open AccessFlash sintering is arousing growing interest because high-density ceramics can be obtained at lower temperatures and shorter dwell times than conventional sintering. However, not only temperature and dwell times should be ... -
Unfolding kinetic fragility in relaxor ferroelectrics
(American Institute of Physics (AIP), 2021-10-07)
Article
Open AccessThe fragility parameter is one of the most important material constants that is extensively used in glass science, playing a central role in the enhancement of the understanding the glass formation process of disordered ... -
Effect of the incorporation of BiFeO3 on the structural, electrical and magnetic properties of the lead-free Bi0.5Na0.5TiO3
(2021-11-05)
Article
Open AccessPowders of the system (1–x)Bi0.5Na0.5TiO3–xBiFeO3 (x = 0, 0.02, 0.08, 0.10) are synthesized by the combustion reaction method. The crystal structure and the particle size of Bi0.5Na0.5TiO3 are modified by the incorporation ... -
Pure perovskite BiFeO3–BaTiO3 ceramics prepared by reaction flash sintering of Bi2O3–Fe2O3–BaTiO3 mixed powders
(2021-06)
Article
Open AccessIn this work, the 0.67BiFeO3-0.33BaTiO3 ferroelectric ceramic was prepared by Reaction Flash Sintering (RFS). This preparation technique combines synthesis and sintering in a single Flash experiment. The starting oxides ... -
Exploring the electromechanical response and electric field-induced dielectric anomalies in PMN–PT electroceramics
(2021-06-23)
Article
Open Access<jats:p> Electromechanical and dielectric properties of PMN–PT ferroelectric ceramics are investigated. In particular, dielectric response studies focus on the investigation of the influence of the DC applied electric field ... -
Photocontrolled strain in polycrystalline ferroelectrics via domain engineering strategy
(2021-05-05)
Article
Open AccessThe use of photonic concepts to achieve nanoactuation based on light triggering requires complex architectures to obtain the desired effect.In thiscontext, the recent discoveryof reversible optical control of the domain ...
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