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Magnetic and magnetoelectric devices for communication …
magnets for energy harvesting applications and ME heterostructures resonate at very low. frequency (VLF) designed for broadband communications and internet of things (IOT) sensor application are introduced and discussed. In the first part, an integrated BSF with magnetic multilayer films on silicon substrate.
Enhanced energy-storage and magnetoelectric properties of …
1. Introduction. Magnetoelectric materials coexisting with magnetic and ferroelectric orderings have been extensively studied in recent years [1], [2], [3].The presence of a coupling effect in the magnetoelectric materials, formed from the interaction between the magnetization and electric-polarization, is useful for multifunctional device …
A Perspective of Magnetoelectric Effect in Electrocatalysis
It is crucial to develop energy technologies to convert and store the renewable energy generated by solar, wind, hydropower, etc. Electrocatalysis plays an essential role in those energy conversions and storage technologies and its advances rely on the development of efficient catalysts and electrode materials. Recent studies have …
Response analysis of a nonlinear magnetoelectric energy
Magnetostrictive (MS) piezoelectric composites provide interesting possibilities to harvest energy from low amplitude and low frequency vibrations with a relative high energy outcome. In this paper a magnetoelectric (ME) vibration energy harvester has been designed, which consists of two ME transducers a magnetic circuit …
Magnetoelectric backscatter communication for millimeter-sized …
Utilizing the same physical mechanism for power and communication is critical for implant miniaturization, but low-power magnetoelectric uplink communication has not been achieved yet. For the first time, we design and demonstrate near-zero power magnetoelectric backscatter from the mm-sized implants by exploiting the converse …
Multi-state data storage in a two-dimensional stripy …
This coupling allows the magnetic order to be controlled by electric stimuli, making magnetoelectric materials promising candidates for new data storage technologies. Here Gu et al demonstrate a magnetoelectric effect in a van der Waals antiferromagnetic CrOCl which persists down to monolayer, and using this realize a multi …
Boosting energy harvesting of fully flexible magnetoelectric …
The increasing popularity of wearable electronics has sparked interest in flexible energy harvesters as alternatives to conventional batteries. Flexible …
Enhanced energy-storage and magnetoelectric properties
The energy storage density of 127.3 J cm⁻³ with an energy storage efficiency of 79.6% is realized in the up-sequence multilayer with period N = 2 at room temperature.
A bi-axial magnetoelectric vibration energy harvester
A bi-axial vibration energy harvesting approach has been demonstrated that uses a magnetoelectric transducer (Terfenol-D/Pz27 laminate) located between an oscillating spherical steel bearing and a rare-earth magnet (NdFeB). The oscillating bearing steers magnetic field through the transducer, generating an oscillating charge that can be …
Enhancement in the magnetoelectric and energy storage
In addition to this, the energy storage performance of all the studied samples have also been investigated and the optimized sample x = 0.11 presents a large discharge energy density of 2.249 J ...
Enhancement in the magnetoelectric and energy storage …
Herein we report the development of a core-shell-like Co Fe 2 O 4 − BaTi O 3 multiferroic nanocomposite (1:1 wt ratio) for their enhanced magnetoelectric coupling and energy storage density by the wet chemical route. Rietveld refinement analysis of the XRD pattern verified the formation of cubic spinel (Co Fe 2 O 4) and …
Multi-state data storage in a two-dimensional stripy ...
This coupling allows the magnetic order to be controlled by electric stimuli, making magnetoelectric materials promising candidates for new data storage technologies.
Electric-field control of skyrmions in multiferroic ...
Furthermore, the energy cost is Δf intrin = 6.74 kJ/m 3, while energy reduction is Δf mel = −10.66 kJ/m 3, yielding Δf tot = Δf intrin + Δf mel = −3.92 kJ/m 3 < 0. Therefore, the skyrmion ...
Magnetoelectric coupling in multiferroics probed by optical …
Magnetoelectric coupling, as a fundamental physical nature and with the potential to add functionality to devices while also reducing energy consumption, has been challenging to be probed in ...
Magnetoelectrics and multiferroics: Materials and opportunities …
Advances in magnetoelectric and multiferroic materials, materials with coupled electrical and magnetic order, have demonstrated the electric-field control of …
Energy storage and magnetoelectric coupling in neodymium …
The P-E loops shows that the energy storage density of the BFO-PTO solid solution rises with increasing Nd concentration up to 0.15 and then decreases. The maximum recoverable energy storage density (W rec) and efficiency (η) for the 0.15 composition are 4.54 mJ/cm 3 and 79 %, respectively. Conversely, as the concentration …
PVDF based flexible magnetoelectric composites for capacitive energy …
@article{Sasmal2023PVDFBF, title={PVDF based flexible magnetoelectric composites for capacitive energy storage, hybrid mechanical energy harvesting and self-powered magnetic field detection}, author={Abhishek Sasmal and Shrabanee Sen and Jeyaramane Arout Chelvane and Arunachalakasi Arockiarajan}, journal={Polymer}, year={2023}, …
Understanding and designing magnetoelectric heterostructures guided …
The magnetoelectric coupling in these composites and heterostructures is typically achieved through the exchange of magnetic, electric, or/and elastic energy across the interfaces between the ...
Recent progress in flexible magnetoelectric composites and …
Introduction. The modern era is the era of flexible electronics. With the advancement of modern civilization, the progress of flexible electronic devices is growing up day by day in the form of rollable displays [1], [2], flexible energy storage and conversion devices [3], [4], [5], wearable sensors [6], [7], flexible and wearable healthcare monitoring …
Energy storage and magnetoelectric coupling in ferroelectric
An enormous effort has been focused on the study of multiferroic materials with large magnetoelectric (ME) effect in the field of physics and material science for building new types of multistate memory devices [].The weak coupling in single phase multiferroics owing due to atomic diffusion and undesirable chemical reactions [] and …
A pendulum-type magnetoelectric vibration energy harvester …
To overcome the easy fracture of cantilever-based harvesters under large amplitude vibration, this paper presents a magnetoelectric vibration energy harvester based on rotary pendulum-type structures. The harvester is made up of a rotary pendulum embedded with six magnets and a magnetoelectric transducer. The dynamic equation …
Roadmap on Magnetoelectric Materials and Devices
Abstract: The possibility of tuning the magnetic properties of materials with voltage (converse magnetoelectricity) or generating electric voltage with magnetic fields …
Voltage-based magnetization switching and reading in magnetoelectric …
Lin, C.-C. et al. Experimental demonstration of integrated magneto-electric and spin-orbit building blocks implementing energy-efficient logic. in 2019 IEEE International Electron Devices Meeting ...
Multiferroic and magnetoelectric materials | Nature
The magnetoelectric effect in a single-phase crystal is traditionally described 13,15 in Landau theory by writing the free energy F of the system in terms of an applied magnetic field H whose ith ...
Molecular ferroelectric with low-magnetic-field ...
Magnetoelectric (ME) coupling effect in materials offers a promising pathway for the advancement of high-density data storage, spintronics, and low …
Roadmap on Magnetoelectric Materials and Devices
The possibility of tuning the magnetic properties of materials with voltage (converse magnetoelectricity) or generating electric voltage with magnetic fields (direct magnetoelectricity) has opened new avenues in a large variety of technological fields, ranging from information technologies to healthcare devices and including a great …
Magnetoelectric coupling in multiferroics probed by optical …
Here we define an optical magnetoelectric-coupling constant, denoting the ability of controlling light-induced nonlinear polarization by the magnetic field, and found the magnetoelectric-coupling ...
Magnetic and magnetoelectric devices for communication and energy …
Magnetic materials have a long history of usage and play an important role in modern instruments or devices like motor, electrical generator, and transformer, etc. With the development of solid-state physics, the magnetic properties and theories beyond the magnetic static states have been studied and utilized including the magnetostatic wave …
Multi-state data storage in a two-dimensional stripy ...
Here Gu et al demonstrate a magnetoelectric effect in a van der Waals antiferromagnetic CrOCl which persists down to monolayer, and using this realize a multi-state data storage device.
Magnetoelectric Backscatter Communication for Millimeter …
As an emerging wireless power transfer method, magnetoelectric is promising for mm-scaled bio-implants because of its superior misalignment sensitivity, high eficiency, and low tissue absorption compared to other modalities [46, 59, 60]. Utilizing the same physical mechanism for power and communication is critical for implant miniaturization ...
Magnetoelectric microelectromechanical and ...
This article demonstrates very low frequency (VLF) magnetoelectric antennas and communication systems based on strain-mediated magnetoelectric resonators operating at their electromechanical...
Magnetoelectric (ME) Antenna for On-chip Implantable Energy …
A novel magnetoelectric (ME) antenna is fabricated to be integrated to the on-chip energy harvesting circuit for brain-computer interface applications. The proposed ME antenna resonates at the frequency of 2.57 GHz while providing a bandwidth of 3.37 MHz. The proposed rectangular ME antenna wireless power transfer efficiency is 0.304 %, which is …
Magnetoelectric effect: principles and applications in biology and ...
1. Introduction. A class of multiferroic structures exhibiting magnetoelectric (ME) effect, which is a linear coupling between the applied magnetic field and generated electric voltage, has been attracted more and more research attention over the last years [,,,, ].The coupling between electric and magnetic properties in ME …
Structural, Energy Storage Analysis and Enhanced Magnetoelectric ...
The present work is focused on the structural, microstructural, dielectric, multiferroic properties, including magnetoelectric coupling and energy storage density analysis of Mn modified multiferroic BiFeO3 (BFO) samples. The samples were prepared via solid state reaction method. The structural and microstructural properties were …
Enhancement in the magnetoelectric and energy storage …
Impedance spectroscopy and conduction mechanism of ferroelectric rich Pb(Zr0.58Ti0.42)O3−CoFe2O4 magnetoelectric composite (2020) S. Ahmed et al. CERAMICS INTERNATIONAL Enhanced magnetoelectric coefficient and interfacial compatibility by constructing a three-phase CFO@BT@PDA/P(VDF-TrFE) core-shell …
Magnetoelectric materials, phenomena, and devices
Recent advances in the understanding of magnetoelectric mechanisms and new materials with significant voltage-driven magnetic effects are reported in this …
Magnetic energy harvesting with magnetoelectrics: an emerging ...
An alternative effective technique to harvest magnetic energy is to utilize a multifunctional ME composite. The ME effect is the result of multiple energy transductions, starting from magnetic energy to mechanical energy and finally to electric energy. 3. Multiferroic magnetoelectric MME generators 3.1 Magnetoelectric phenomena
Self-biased magnetoelectric composite for energy harvesting
Energy harvesting devices based on the magnetoelectric (ME) coupling effect have promising prospects in the field of self-powered devices due to their advantages of small …