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View article: Structural, Vibrational, and Dielectric Properties of BiFeO3/LaFeO3 Superlattices Grown on (001)-SrTiO3
Structural, Vibrational, and Dielectric Properties of BiFeO3/LaFeO3 Superlattices Grown on (001)-SrTiO3 Open
BiFeO3/LaFeO3 (BFO/LFO) epitaxial superlattices (SLs) with different bilayer thicknesses were grown via pulsed laser deposition on a (001)-SrTiO3 substrate buffered with a SrRuO3 bottom electrode. Room-temperature X-ray diffraction demonst…
View article: Polar textures in multiferroic BiFeO3-based superlattices
Polar textures in multiferroic BiFeO3-based superlattices Open
View article: Exploring polar ordering in lead-free K0.5Na0.5NbO3 ferroelectrics using in situ biasing and 4D STEM techniques
Exploring polar ordering in lead-free K0.5Na0.5NbO3 ferroelectrics using in situ biasing and 4D STEM techniques Open
View article: Voltage-driven ferroelectric domain dynamics in (K,Na)NbO3 investigated by <i>in situ</i> transmission electron microscopy
Voltage-driven ferroelectric domain dynamics in (K,Na)NbO3 investigated by <i>in situ</i> transmission electron microscopy Open
Ferroelectric domain dynamics is at the heart of any ferroelectric-based application. In situ transmission electron microscopy (TEM) offers an exciting opportunity to directly image ferroelectric switching and domain dynamics, revealing ph…
View article: Atomic-Level Response of the Domain Walls in Bismuth Ferrite in a Subcoercive-Field Regime
Atomic-Level Response of the Domain Walls in Bismuth Ferrite in a Subcoercive-Field Regime Open
The atomic-level response of zigzag ferroelectric domain walls (DWs) was investigated with in situ bias scanning transmission electron microscopy (STEM) in a subcoercive-field regime. Atomic-level movement of a single DW was observed. Unex…
View article: The Electrocaloric Effect and Diffuse Phase Transition of Eu3+- Doped Bazryti1-Yo3 Ceramics
The Electrocaloric Effect and Diffuse Phase Transition of Eu3+- Doped Bazryti1-Yo3 Ceramics Open
View article: Energy-storage-efficient 0.9Pb(Mg1/3Nb2/3)O3–0.1PbTiO3 thick films integrated directly onto stainless steel
Energy-storage-efficient 0.9Pb(Mg1/3Nb2/3)O3–0.1PbTiO3 thick films integrated directly onto stainless steel Open
The integration of functional ceramics with metals remains challenging due to the thermally activated processes and the incompatibilities that arise during the high-temperature ceramic sintering process. In order to overcome this, low-temp…
View article: Solution-processed BiFeO3 thin films with low leakage current
Solution-processed BiFeO3 thin films with low leakage current Open
Bismuth ferrite (BiFeO3) is an attractive multiferroic material that shows strong ferroelectric and antiferromagnetic properties. Nevertheless, producing high-quality oriented BiFeO3 on technology-important platinized silicon substrates by…
View article: Enhancement of ferroelectricity and orientation in solution-derived hafnia thin films through heterogeneous grain nucleation
Enhancement of ferroelectricity and orientation in solution-derived hafnia thin films through heterogeneous grain nucleation Open
In this work, we demonstrate an approach for improving ferroelectric properties of La:HfO2 thin films by shifting the grain growth regime toward heterogeneous nucleation. A dilute 0.083 M instead of a 0.25 M solution together with an annea…
View article: Atomically resolved structure of step-like uncharged and charged domain walls in polycrystalline BiFeO3
Atomically resolved structure of step-like uncharged and charged domain walls in polycrystalline BiFeO3 Open
The dynamics of domain walls (DWs) during polarization switching has a great influence on the electromechanical response of ferroelectrics. To understand the influence of DWs on the functional performance of the material, their local struc…
View article: Magnetic contributions in multiferroic gadolinium modified bismuth ferrite ceramics
Magnetic contributions in multiferroic gadolinium modified bismuth ferrite ceramics Open
Bi0.88Gd0.12FeO3 multiferroics are of interest for next-generation electronics and are shown with a remnant magnetization 0.2 emu·g−1, coercive field 8 kOe, Curie temperature 370 °C and magnetization of 0.7 emu·g−1 at magnetic fields 30 kO…
View article: Heterogeneity Challenges in Multiple-Element-Modified Lead-Free Piezoelectric Ceramics
Heterogeneity Challenges in Multiple-Element-Modified Lead-Free Piezoelectric Ceramics Open
We report on a heterogeneity study, down to the atomic scale, on a representative multiple-element-modified ceramic based on potassium sodium niobate (KNN): 0.95(Na0.49K0.49Li0.02)(Nb0.8Ta0.2)O3–0.05CaZrO3 with 2 wt % MnO2. We show that di…
View article: Keratin-Graphene Nanocomposite: Transformation of Waste Wool in Electronic Devices
Keratin-Graphene Nanocomposite: Transformation of Waste Wool in Electronic Devices Open
Electronic devices, designed to be long lasting, are commonly made with rigid, nondegradable materials. These, together with the presence of rare and toxic elements, create significant issues for their waste management. The production of e…
View article: Ferroelectric order driven Eu3+ photoluminescence in BaZrxTi1−xO3 perovskite
Ferroelectric order driven Eu3+ photoluminescence in BaZrxTi1−xO3 perovskite Open
The ability to tune and enhance the properties of luminescent materials is essential for enlarging their application potential. Recently, the modulation of the photoluminescence emission of lanthanide-doped ferroelectric perovskites by app…