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Dual-frequency piezoelectric micromachined ultrasound transducer based on polarization switching in ferroelectric thin films
Due to its additional frequency response, dual-frequency ultrasound has advantages over conventional ultrasound, which operates at a specific...
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Locking Free High-Order Mixed Elements for Ferroelectric Polarization
In this contribution, a finite element discretization for a thermodynamically consistent macroscopic model of the ferroelectric polarization process...
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Configurational forces in ferroelectric structures analyzed by a macromechanical switching model
Polycrystalline ferroelectric ceramics are widely used in sensors, actuators, microelectromechanical systems, etc. If a ferroelectric structure...
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Effect of La3+ Substitution on Structural, Magnetic, and Multiferroic Properties of Bismuth Ferrite (Bi1-xLaxFeO3) Nanoceramics
Bi1-x Lax FeO3 ceramics with (x = 0.0, 0.025, 0.050, 0.075, 0.100) is prepared using citrate precursor-based sol–gel method. X-ray diffraction...
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Fabrication of Underwater Ultrasonic Transducer by Using Lead-Free Piezoelectric Materials
In this works, various lead-free piezoelectric Bi0.5Na0.5TiO3-based ceramics were synthesized by a solid-state reaction method, including of...
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Fabrication of Lead-Free Ferroelectric Bi0.5Na0.5TiO3-Based Materials for Transducer Applications
Lead-free ferroelectric materials were promised to replace lead-based Pb(Zr,Ti)O3 materials for environmental and human health concerns. Lead-free...
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Effect of Stress on Ferroelectric, Energy Storage and Harvesting Properties of 0.4BZT-0.6BCT Ceramics
In the present work, the effect of uniaxial stress on ferroelectric properties, energy storage and harvesting is studied for the...
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Modeling of Domain Structure Evolution in Ferroelectroelastic Crystals Under Cyclic Loading
The direct mathematical modeling of the domain structure evolution in a ferroelectroelastic single crystal based on the finite-element simulation and...
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Ferroelectric-controlled graphene plasmonic surfaces for all-optical neuromorphic vision
Artificial visual systems can recognize desired objects and information from complex environments, and are therefore highly desired for pattern...
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New-Generation Ferroelectric AlScN Materials
Ferroelectrics have great potential in the field of nonvolatile memory due to programmable polarization states by external electric field in...
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Structure and Electric Properties of Ba (Ti, Zr)O3 Thin Films Using Sol–gel Method
BaTiO3 (BT) and Ba(Zr0.15Ti0.85)O3 (BZT15) thin films grown on Pt/Ti/SiO2/Si(100) substrates were made up of Sol–gel method. The BZT thin films with...
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Electrical properties of PVDF films fabricated by direct ink writing
In this study, direct ink writing (DIW) was applied to preparing polyvinylidene fluoride (PVDF) film. The rheological properties of inks were...
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Ferroelectric transistors based on shear-transformation-mediated rhombohedral-stacked molybdenum disulfide
To develop low-power, non-volatile computing-in-memory device using ferroelectric transistor technologies, ferroelectric channel materials with...
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Structural, Magnetic and Dielectric Investigation of Cr Doped Co–Zn Nanoferrites
Cobalt zinc ferrites which have been doped with chromium Co 0.4 Zn 0.6 Cr x Fe 2− x O 4 ( x = 0.05, 0.10, 0.15, 0.20) denote as CZC-nanoferrites are prepared by...
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Physics Fundamentals
In this chapter the basic notions on piezoelectricity and magnetostatics are presented. For both topics, first, phenomenological aspects are...
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Nonlinear electromechanical coupling in ferroelectric materials: large deformation and hysteresis
Smart materials respond to external stimuli, e.g., electric fields, which enables their use as sensors and actuators. The electromechanical coupling...
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Magnetic Studies of Nanocomposites of La-Substituted Bismuth Ferrite and Zn-Substituted Lithium Ferrite
La-substituted BiFeO 3 and Zn-substituted Li 0.5 Fe 2.5 O 4 (LZFO) were synthesized by sol-gel and auto-combustion techniques, respectively. Nanocomposites...
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Novel Gadolinium (Gd) and Chromium (Cr) Co-Doped Yttrium Iron Garnet (Y3Fe5O12) Nanoparticles
In this study, gadolinium (Gd) and chromium (Cr) co-doped yttrium iron garnet (Y 3 Fe 5 O 12 ) nanoparticles were prepared by the sol–gel method. The X-ray...
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A Unified Theoretical Modeling Framework for Soft and Hard Magnetorheological Elastomers
These notes put together a number of theoretical and numerical models and results obtained for magnetically soft and hard magnetorheological...
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Convergence Method to Implement Efficient and Reliable Poling Routine
Poling procedure is mandatory for the mechanical, piezoelectric and ferroelectric stability of piezoelectric material including PZT, standard piezo...