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Large Energy Capacitive High-Entropy Lead-Free Ferroelectrics
AbstractAdvanced lead-free energy storage ceramics play an indispensable role in next-generation pulse power capacitors market. Here, an ultrahigh...
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Studies on Pressure and Temperature Dependent Dielectric Properties of Lead Magnesium Niobate -Lead Titanate Binary Relaxor to Use as a Pressure Sensing Material
Measurement of pressure with required accuracy is important in many industries such as process, chemical manufacturing, automobile etc. The accurate...
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Multi-element B-site substituted perovskite ferroelectrics exhibit enhanced electrocaloric effect
Electrocaloric (EC) refrigeration holds the promise to achieve next-generation refrigeration technology that can be efficiently powered by...
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High Energy-Storage Performance Under Low Electric Fields and Excellent Temperature Stability of KF-Modified BNT-ST-AN Relaxor Ferroelectric Ceramics
Homogeneous 0.722(Bi 0.5 Na 0.5 TiO 3 )-0.228(SrTiO 3 )-0.05(AgNbO 3 ) (BNT-ST-AN) ceramics with various amounts of potassium fluoride addition were prepared...
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Enhanced recoverable energy density of 0.94Bi0.50(Na0.78K0.22)0.50Ti1−x(Fe0.50Nb0.50)xO3–0.06BaZrO3 lead-free relaxor ceramics doped by (Fe0.50Nb0.50)4+ complex ions
The innovative 0.94Bi 0.50 (Na 0.78 K 0.22 ) 0.50 Ti 1− x (Fe 0.50 Nb 0.50 ) x O 3 –0.06BaZrO 3 (BNKTBZ- x FN) lead-free relaxor ceramics were designed and fabricated by...
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Polymer nanocomposite dielectrics with high electrocaloric effect for flexible solid-state cooling devices
Nanocomposite dielectrics show great promising application in develo** next generation wearable all-solid-state cooling devices owing to the...
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Microwave Absorbing Composite Materials
AbstractDesigning of microwave systems based on composite materials involves the need of thorough understanding of interaction processes of...
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The Effect of Fluorine Do** on Structural and Dielectric Properties of Molecular Ferroelectric Diisopropylammonium Bromide
An interest in organic molecular ferroelectrics is increasing due to their numerous advantages such as eco-friendly, lightweight, cost-effective,...
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Moderate Fields, Maximum Potential: Achieving High Records with Temperature-Stable Energy Storage in Lead-Free BNT-Based Ceramics
The increasing awareness of environmental concerns has prompted a surge in the exploration of lead-free, high-power ceramic capacitors. Ongoing...
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Dielectric Relaxation and Electromechanical Degradation of Gd-doped PMN-29PT Ferroelectric Ceramics with Ultrahigh Piezoelectricity
BackgroundDue to a giant piezoelectric coefficient (d33≈2000 pC/N) around the MPB, the Pb(Mg1/3Nb2/3)O3-xPbTiO3 (PMN-xPT) single crystals are largely...
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Review on piezoelectric actuators: materials, classifications, applications, and recent trends
Piezoelectric actuators are a class of actuators that precisely transfer input electric energy into displacement, force, or movement outputs...
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Deterministic Dual Control of Phase Competition in Strained BiFeO3: A Multiparametric Structural Lithography Approach
The realization of a mixed-phase microstructure in strained BiFeO 3 (BFO) thin films has led to numerous novel effects derived from the coexistence of...
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Material and Component Selection for Efficient Energy Harvesting
Energy harvesting is collecting and storing/utilizing the otherwise unusable surrounding energy for powering electronic devices in which it is...
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Broad-Band Spectroscopy of Nanoconfined Water Molecules
We have performed broad-band spectroscopic investigations of vibrational and relaxational excitations of water molecules confined to nanocages within...
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Direct estimation of the activation energy and relaxation times from the anomalies observed in the dielectric, AC and DC resistivity data using modified Lorentz equation
In the present study, we have investigated the dielectric, AC and DC resistivity properties of [Ba(Nd 0.1 Ti 0.8 Nb 0.1 )O 3 ] (1− y ) [Na 0.5 Bi 0.5 TiO 3 ] y ceramics...
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Flexoelectric Effect at the Nanoscale
Flexoelectric effect is a universal electromechanical coupling effect in solids. Nevertheless, it has been ignored for a long time, due to the usual...
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Large Parameters and Giant Effects in Electronic Materials
AbstractInterpretations of large electromagnetic parameters and giant effects in electronic materials are presented. Conductivity, permittivity and...
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Phonon Spectroscopy of Low-Energy Excitations in Solid Solutions of Dielectrics in the Helium Temperature Region
The results of studies of the transport of thermal frequency phonons in amorphous dielectrics (glasses and glass-like materials) are presented. It is...
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Three-dimensionally ordered macroporous BaTiO3 framework-reinforced polymer composites with improved dielectric properties
Polymer composites with high dielectric constants are highly desired in advanced electronic devices and the modern electrical industry. The...
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Microstructural, structural, dielectric, piezoelectric and energy storage properties of 0.2 wt% MnO2 doped (0.94-x)Na0.5Bi0.5TiO3–0.06BaTiO3-xK0.5Na0.5NbO3 ceramics (0 ≤ x ≤ 0.08)
Lead free (0.94-x)Na 0.5 Bi 0.5 TiO 3 –0.06BaTiO 3 -xK 0.5 Na 0.5 NbO 3 ceramics are under the spotlight owing to their multifunctional nature. We have...
