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View article: Lead-free relaxor ferroelectric thin films with enhanced energy density through process optimization
Lead-free relaxor ferroelectric thin films with enhanced energy density through process optimization Open
Dielectric capacitors used as energy storage components in electrical and electronic systems offer ultrafast charge and discharge rates but have long faced the challenge of insufficient recoverable energy storage density. These materials a…
View article: Ultrahigh energy storage in process-engineered NaNbO₃-based thin films with superior thermal and cyclic stability
Ultrahigh energy storage in process-engineered NaNbO₃-based thin films with superior thermal and cyclic stability Open
View article: Large Built‐in Fields and Tunable Ferroelectricity in Composition‐Graded ScAlN Thin Films Deposited by Reactive Sputtering
Large Built‐in Fields and Tunable Ferroelectricity in Composition‐Graded ScAlN Thin Films Deposited by Reactive Sputtering Open
The control of the coercive field and growth of abnormally oriented grains (AOGs) in wurtzite ferroelectric Sc x Al 1‐x N thin films is crucial for piezoelectric and ferroelectric applications. However, elevated Sc concentrations generally…
View article: High energy density and reliable BaZrxTi1−xO3 thin film capacitors from novel aqueous chemical solution deposition
High energy density and reliable BaZrxTi1−xO3 thin film capacitors from novel aqueous chemical solution deposition Open
View article: Enhanced energy storage in relaxor (1-x)Bi0.5Na0.5TiO3-xBaZryTi1-yO3 thin films by morphotropic phase boundary engineering
Enhanced energy storage in relaxor (1-x)Bi0.5Na0.5TiO3-xBaZryTi1-yO3 thin films by morphotropic phase boundary engineering Open
View article: Synergistic homovalent and heterovalent substitution effects on piezoelectric and relaxor behavior in lead-free BaTiO3 ceramics
Synergistic homovalent and heterovalent substitution effects on piezoelectric and relaxor behavior in lead-free BaTiO3 ceramics Open
This study investigates lead-free BaTiO3 (BT) perovskite ceramics, unraveling the synergistic effects arising from simultaneous homovalent (Zr) and heterovalent (Nb) substitution. Focusing on piezoelectric, ferroelectric, and relaxor behav…
View article: Phase stability and energy storage properties of polycrystalline antiferroelectric BaTiO3-substituted NaNbO3 thin films
Phase stability and energy storage properties of polycrystalline antiferroelectric BaTiO3-substituted NaNbO3 thin films Open
Lead-free sodium niobate (NN) thin films with varying barium titanate (BT) content and 1 mol% manganese were deposited on platinized silicon substrates by chemical solution deposition. Microstructural analysis reveals a change in nucleatio…
View article: Advantages and developments of Raman spectroscopy for electroceramics
Advantages and developments of Raman spectroscopy for electroceramics Open
Despite being applied with success in many fields of materials science, Raman spectroscopy is not yet determinant in the study of electroceramics. Recent experimental and theoretical developments, however, should increase the popularity of…
View article: Highly conductive RuO2 thin films from novel facile aqueous chemical solution deposition
Highly conductive RuO2 thin films from novel facile aqueous chemical solution deposition Open
Ruthenium dioxide (RuO 2 ) thin films were synthesized by Chemical Solution Deposition (CSD) on silicon substrates using only water and acetic acid as solvents. The microstructure, phase purity, electrical and optical properties as well as…
View article: Finite-temperature investigation of homovalent and heterovalent substituted <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>BaTiO</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math> from first principles
Finite-temperature investigation of homovalent and heterovalent substituted from first principles Open
Barium titanate (BT) solid solutions are used in a wide range of applications such as piezoelectric actuators and high-performance energy storage devices. The key to achieve and tune desired macroscopic properties is the chemical modificat…
View article: Improved description of the potential energy surface in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>BaTiO</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math> by anharmonic phonon coupling
Improved description of the potential energy surface in by anharmonic phonon coupling Open
Barium titanate (BT) based materials are at the forefront of materials being searched as possible candidates for the replacement of lead-based compositions in applications ranging from piezoelectrics to energy storage devices. Computationa…
View article: FIB and Wedge Polishing Sample Preparation for TEM Analysis of Sol-Gel Derived Perovskite Thin Films
FIB and Wedge Polishing Sample Preparation for TEM Analysis of Sol-Gel Derived Perovskite Thin Films Open
In ceramic thin films, choosing an appropriate sample preparation method for transmission electron microscopy (TEM) analyses is of paramount importance to avoid preparation-induced damage and retain nanoscale features that require investig…
View article: Editorial: Recent advances and future of electroceramics
Editorial: Recent advances and future of electroceramics Open
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View article: Influence of B content on microstructure, phase composition and mechanical properties of CVD Ti(B,N) coatings
Influence of B content on microstructure, phase composition and mechanical properties of CVD Ti(B,N) coatings Open
Within this work the effect of the B content on the microstructure, phase composition and mechanical properties of CVD Ti(B,N) coatings is investigated. Ti(B,N) coatings with B contents from 0 (fcc-TiN) to ∼5, ∼15, ∼30, ∼45 and 66 (h-TiB2)…
View article: Anomalous Thermal Conductivity in Amorphous Niobium Pentoxide Thin Films: A Correlation Study between Structure and Thermal Properties
Anomalous Thermal Conductivity in Amorphous Niobium Pentoxide Thin Films: A Correlation Study between Structure and Thermal Properties Open
View article: Origin of Relaxor Behavior in Barium‐Titanate‐Based Lead‐Free Perovskites
Origin of Relaxor Behavior in Barium‐Titanate‐Based Lead‐Free Perovskites Open
It is well known that disordered relaxor ferroelectrics exhibit local polar correlations. The origin of localized fields that disrupt long‐range polar order for different substitution types, however, is unclear. Currently, it is known that…
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: Is Surface Metastability of Today’s Ceramic Bearings a Clinical Issue?
Is Surface Metastability of Today’s Ceramic Bearings a Clinical Issue? Open
Recent studies on zirconia-toughened alumina (ZTA) evidenced that in vivo aged implants display a much higher monoclinic zirconia content than expected from in vitro simulations by autoclaving. At the moment, there is no agreement on the s…
View article: Atomic scale symmetry and polar nanoclusters in the paraelectric phase of ferroelectric materials
Atomic scale symmetry and polar nanoclusters in the paraelectric phase of ferroelectric materials Open
View article: In-Situ Investigation of the Oxidation Behaviour of Chemical Vapour Deposited Zr(C,N) Hard Coatings Using Synchrotron X-ray Diffraction
In-Situ Investigation of the Oxidation Behaviour of Chemical Vapour Deposited Zr(C,N) Hard Coatings Using Synchrotron X-ray Diffraction Open
The oxidation behaviour of chemical vapour deposited ZrN, ZrC and ZrCN coatings was investigated using in-situ synchrotron X-ray diffraction (XRD). To obtain a precise analysis of the temperature–dependent phase evolution during oxidation,…
View article: Effect of Co and Y modification on structural, ferroelectric and magnetic properties of Bi5Ti3FeO15 ceramics
Effect of Co and Y modification on structural, ferroelectric and magnetic properties of Bi5Ti3FeO15 ceramics Open
The ferroelectric and magnetic properties of four-layered Aurivillius Bi 5 Ti 3 FeO 15 (BFT) compounds via partial substitution of Bi 3+ with Y 3+ and Fe 3+ with Co 2+ (according to formula: Bi 5 − x Y x Ti 3 FeO 15 , x = 0.1, 0.2, 0.3; Bi…
View article: Origin of relaxor behavior in barium titanate based lead-free relaxors
Origin of relaxor behavior in barium titanate based lead-free relaxors Open
It is well known that disordered relaxor ferroelectrics exhibit local polar correlations. The origin of localized fields that disrupt long range polar order for different substitution types, however, is unclear. Currently, it is known that…
View article: Origin of relaxor behavior in barium titanate based lead-free relaxors
Origin of relaxor behavior in barium titanate based lead-free relaxors Open
It is well known that disordered relaxor ferroelectrics exhibit local polar correlations. The origin of localized fields that disrupt long range polar order for different substitution types, however, is unclear. Currently, it is known that…
View article: Predicting Dielectric Properties of Doped BaTiO3 Using First-Principles and Monte Carlo Simulations
Predicting Dielectric Properties of Doped BaTiO3 Using First-Principles and Monte Carlo Simulations Open
We investigate the dielectric properties of homovalent (M4+)-doped Ba(Ti1−xMx)O3 compositions using a two-dimensional Ising-like network. The model is mainly based on the interaction of permanent and induced dipoles and allows us to …
View article: Strategies to Improve the Energy Storage Properties of Perovskite Lead-Free Relaxor Ferroelectrics: A Review
Strategies to Improve the Energy Storage Properties of Perovskite Lead-Free Relaxor Ferroelectrics: A Review Open
Electrical energy storage systems (EESSs) with high energy density and power density are essential for the effective miniaturization of future electronic devices. Among different EESSs available in the market, dielectric capacitors relying…
View article: Chemical Solution Deposition of BaxSr1-xTiO3 Thin Films for Energy Storage Applications
Chemical Solution Deposition of BaxSr1-xTiO3 Thin Films for Energy Storage Applications Open
Highly textured Ba0.5Sr0.5TiO3 and Ba0.6Sr0.4TiO3 thin films have been successfully processed using chemical solution deposition (CSD) techniques and annealed at different temperatures to investigate the influence on crystal growth. Micros…
View article: Atomic scale symmetry and polar nanoclusters in the paraelectric phase of ferroelectric materials
Atomic scale symmetry and polar nanoclusters in the paraelectric phase of ferroelectric materials Open
The nature of the "forbidden" local- and long-range polar order in nominally nonpolar paraelectric phases of ferroelectric materials has been an open question since the discovery of ferroelectricity in oxide perovskites (ABO3). A currently…
View article: Raman spectra of fine-grained materials from first principles
Raman spectra of fine-grained materials from first principles Open
View article: Hexavalent ( <i>Me</i> ‐ W/Mo)‐modified (Ba,Ca)TiO <sub>3</sub> ‐Bi(Mg, <i>Me</i> )O <sub>3</sub> perovskites for high‐temperature dielectrics
Hexavalent ( <i>Me</i> ‐ W/Mo)‐modified (Ba,Ca)TiO <sub>3</sub> ‐Bi(Mg, <i>Me</i> )O <sub>3</sub> perovskites for high‐temperature dielectrics Open
We report on the synthesis of complex lead‐free perovskite‐type (1− x )(Ba 0.8 Ca 0.2 )TiO 3 – x Bi(Mg 0.75 W 0.25 )O 3 (BCT‐ x BMW) and (1− x )(Ba 0.8 Ca 0.2 )TiO 3 ‐ x Bi(Mg 0.75 Mo 0.25 )O 3 (BCT‐ x BMM) solid solutions via conventional…
View article: B-site vacancy induced Raman scattering in BaTiO3-based ferroelectric ceramics
B-site vacancy induced Raman scattering in BaTiO3-based ferroelectric ceramics Open
Defects, in particular vacancies, play a crucial role in substituted perovskite systems, influencing the structural features that underpin ferroelectricity. B-site vacancies introduce cation disorder in the perovskite lattice and are in fa…