This gigantic magnetoelectric coupling has been achieved at 385 K (above room temperature) mainly through strain-mediated electric-field-driven ferromagnetic to AF phase transition in FeRh. 192 ...
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Electromagnetic energy sources result from radiation emitting devices such as mobile base stations, Wi-Fi routers, satellite communications, radio and TV transmitters, as well as from magnetic and electric fields …
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Abstract With the explosion of Internet traffic, the rise of large data centers, and smart technologies on the horizon, forecasts of the global energy consumption from information, and communications technologies are expected to rise from ~ 8% in 2020 to ~ 21% in 2030. The future demand will challenge the supply of electricity …
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When the electric field is less than 4000 kV cm‐1, the energy storage efficiency remains above 70%. Simultaneously, a wide working temperature range from ‐100℃ to 100℃ is also obtained.
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Abstract. A significant number of 5G base stations (gNBs) and their backup energy storage systems (BESSs) are redundantly configured, possessing surplus capacity during non-peak traffic hours. Moreover, traffic load …
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The application of multiferroic magnetoelectric (ME) materials, which realize the mutual coupling (ME coupling effect) of ferroelectric ordering and magnetic ordering (Figure 1A), in the fields of magnetic sensors, 17-20 spintronics, 21-24 data storage, 25-29 29-32
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Abstract: In this work, magnetoelectric (ME) Galfenol/PZT cantilever beam devices with varying lengths were designed and fabricated. The devices exhibited a multifrequency response of the ME coupling effect, with the maximum value of ME coupling coefficient ( $alpha _{text {ME}}{)}$ of the 35-mm ME cantilever beam device reaching 80.2 V/(cm …
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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 …
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DOI: 10.1002/adem.201700743 Corpus ID: 139361207 A Review on Piezoelectric, Magnetostrictive, and Magnetoelectric Materials and Device Technologies for Energy Harvesting Applications With the development of industry IoT, microprocessors and sensors are ...
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A compact magneto-electric dipole antenna for long-term evolution femtocell base stations is proposed. It consists of horizontal defected semi-circular patches that act as electric dipole and vertical rectangular patches that work as magnetic dipole shorted to ground plane.
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Ferroelectric polymers are used as mechanical-to-electrical energy transducers in a wide range of applications, scavenging the surrounding energy to power low-power devices. These energy-harvesting systems operate by taking advantage of the piezoelectric, pyroelectric, and magnetoelectric properties of the polymers, harvesting …
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The magnetoelectric (ME) effect, a polarization response to the applied magnetic field, or a magnetization response to the applied electric field, i.e., a coupling between the magnetic and electric fields, was first observed in a single-phase Cr 2 O 3 crystal in the17].
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The XPS survey spectra (Fig. 2 (a)) also confirm the presence of desired elements.For detailed elemental analysis, the core level XPS spectra corresponding to each element were also recorded. Fig. 2 (b) presents the Y 3d spectra where the Y 3d 5/2 and Y 3d 3/2 bands are found to be situated at 156.5 and 158.6 eV binding energy which …
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The magnetoelectric (ME) H voltage signal, and therefore the polarization via equation (2), may be reversed in magnetic fields ( - 0.6 T < µ 0 H < 0.6 T) that are much lower than the switching ...
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Some perspectives and challenges for the future development of energy harvesting materials are also highlighted. Market forecast for the mid-2020s. Data from IDTechEX ( . idtechex ).
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This paper presents a compact wideband dual-polarized magnetoelectric dipole antenna suitable for 5G base stations, which can cover 5G NR n77/78/79 band. The proposed antenna is configured with a ...
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Here we develop YFeO 3 -poly (vinylidene fluoride) (YFO-PVDF) based composite systems (with varied concentration of YFO in PVDF) and explore their multifunctional applicability including dielectric, piezoelectric, capacitive energy storage, mechanical energy harvesting, and magnetoelectric performances.
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This article reports the efficient modulation of the magnetic tunnel junction through strain-mediated magnetoelectric coupling and realizes a giant, reversible and …
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Here we develop YFeO 3-poly(vinylidene fluoride) (YFO-PVDF) based composite systems (with varied concentration of YFO in PVDF) and explore their multifunctional applicability including dielectric, piezoelectric, capacitive energy storage, mechanical energy harvesting, and magnetoelectric performances. ...
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Challenges on coupling mechanism, electromagnetic compatibility, and optimization persist. Wireless power transfer (WPT) promises to be an alternative solution for secure and versatile charging of electric vehicles. However, some challenges still exist in this contactless technology, such as electromagnetic safety, low transmission efficiency ...
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(a) P-E loop for energy storage calculation for x = 0.10, 0.15 and 0.20, (b) Recoverable energy storage density, W rec [left side] and efficiency [right side] with different x contents. At room temperature, Fig. 11 depicts the relationship between the composition ( x ) of (BNFPT) x samples and the converse piezoelectric constant (d*33).
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Magnetoelectric material exhibit interconnections of magnetic and electric field. ME applications can be classified as direct coupling and converse coupling. There are various ME devices including sensor, antenna and microwave devices. ME devices show better performance and the potential to be miniaturized.
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Magnetoelectric behavior and magnetic field-tuned energy storage capacity of SrFe 12 O 19 nanofiber reinforced P(VDF-HFP) composite films Author links open overlay panel S. Prathipkumar, J. Hemalatha
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The energy storage capacity of the composite films increased with an increase in the magnetic field, and the maximum energy storage capacity was found to …
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Progress in information and communication technologies largely relies on an optimized utilization of electric power. Nanomagnetism and spintronics have largely In the Research Update by Liang et al., 6 the authors provide an extensive review of the existing magnetoelectric materials and devices, with emphasis on multiferroics, either single …
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Magnetoelectric memory cell increases energy efficiency for data storage. ScienceDaily . Retrieved June 16, 2024 from / releases / 2017 / 05 / 170530115057.htm
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Here, we provide an overview of the current status of research and technology developments in data storage and spin-mediated energy harvesting in …
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Since the piezoelectric phase in the composite also responds to mechanical vibration directly, an ME-based energy harvester can harness energy from both mechanical …
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The crystallinity of the CFO single-layer, BLZT single-layer, and BLZT/CFO multi-layer thin-films is shown in Fig. 2 a.The XRD patterns indicate that the BLZT single-layer shows only (00l) orientation, but a strong peak of BLZT(00l) orientation together with a very minor presence of a BLZT(111) peak are observed in the multi-layer, which can be …
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Abnormal relaxor-like behavior is observed in the prepared composite. • Core-shell-like morphology reduced leakage current and improved interfacial coupling. 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 …
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