Magnetoelectric (ME) memories have the lowest energy cost of the considered types, since they are relying on charging a capacitor rather than current-generated torque. The value of the ME field ...
The electric field can manipulate magnetization as large as 0.1 µ B /f.u. in the range of ±1 MV/m without any external magnetic field. Moreover, a feasible nonvolatile memory based on polycrystalline Ba 1.1 Sr 0.9 Co 2 Fe 11 AlO 22 is realized by recording the states of magnetoelectric coefficients, which is promising for further application in …
M S is the saturation magnetization and B stray is the magnetostatic stray field; the Zeeman energy density associated ... tunnel junctions by electric fields via magnetoelectric coupling. Nat ...
Magnetoelectric (ME) composites of bulk structures show strong ME coupling performance, and thus magnetoelectric bulk composites and their related devices have been attracting increasing attention over the last few years. Two kinds of ME coupling mechanisms can be found in ME bulk composites, i.e., direct ME
Magnetoelectric Backscatter Communication for Millimeter-Sized Wireless Biomedical Implants ACM MobiCom ''22, October 17–21, 2022, Sydney, NSW, Australia 0 20 40 60 80 100 0.0 0.2 0.4 0.6 0.8 1 ...
His current research interests include flexible magnetoelectric devices, vibrational energy harvesting, flexible capacitive energy storage, and many others. Prof. A. Arockiarajan has completed his B. E. degree from M. S. University, Tirunelveli, India (1993–1997), M. E. degree from Bharathiyar University, Coimbatore, India, and Ph. D. …
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 …
Ultra-compact wireless implantable medical devices (IMDs) are in great demand for healthcare applications, in particular for neural recording and stimulation. Current implantable technologies based on miniaturized micro-coils suffer from low wireless power transfer efficiency (PTE) and are not always compliant with the specific absorption …
This review places great emphasis on the working mechanism, composition, configuration, and comprehensive performance of SME coupling effect in composites. We then provide …
In this case one speaks of a "magnetoelectric effect." It plays an important technological role, for example in certain types of sensors or in the search for new concepts of data storage.
Recently, the realization of electromagnetic wave signal transmission and reception has been achieved through the utilization of the magnetoelectric effect, enabling the development of compact and portable low-frequency communication systems. In this paper, we present a miniaturized low-frequency communication system including a …
The presence of multiferroic behaviour in any material makes it exceptionally important for its possible significant role in technological developments. The combination of dielectric and magnetic orders in a single device has become an intriguing topic for material scientists in recent days. In this context, sol‒gel auto-combustion technique was utilized …
According to the ''product-property'' concept, the magnitude of the direct ME effect in the above-mentioned composites is qualitatively well described by the formula (3) α E = δ E δ H ≈ δ E δ S ⋅ δ S δ H ≈ A ⋅ h ⋅ q, where A is the coefficient that depends only on the geometry of the composite, and the dielectric characteristics of its phases, h(E) is the …
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
In the current information society, the realization of a magnetic storage technique with energy-efficient design and high storage density is greatly desirable. Here, we …
Further, of note are the results of the group of Prof. D. Viehland, who significantly advanced our knowledge of ME magnetic field sensors and their capabilities [11,12,13,14,15,16,17,18,19] [], Dong et al. showed that L-T mode in the structure Terfenol-PMN-PT has extremely high magnetic field sensitivity: at room temperature, an output …
Magnetoelectric coupling at room temperature in multiferroic materials, such as BiFeO 3, is one of the leading candidates to develop low-power spintronics and emerging memory …
Multifunctional thin films and devices have gained much interest in both scientific and industrial research for futuristic multifunctional micro- and nano-device applications. Here, we report the development of a multi-layer structure based on relaxor-ferroelectric Ba 0.95 La 0.05 Zr 0.4 Ti 0.6 O 3 (BLZT) and ferrimagnetic CoFe 2 O 4 …
Magneto-mechano-electric (MME) composite devices have been used in energy harvesting and magnetic field sensing applications due to their advantages including their high-performance, simple …
The maximum energy storage density and efficiency achieved for BT–5CFO (5% CoFe2O4) composite was 8.33 mJ/cm3 and an efficiency of 59.7% respectively. The coupling between the ferroelectric and ferromagnetic phases was observed in the variation of P–E loop with magnetic field.
Here, we provide an overview of the current status of research and technology developments in data storage and spin-mediated energy harvesting in …
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 size, fast response, and low power consumption.
Semantic Scholar extracted view of "Enhanced energy-storage and magnetoelectric properties of Ba0.95La0.05Zr0.4Ti0.6O3/CoFe2O4 multilayer thin films" by Minh D. Nguyen DOI: 10.1016/j.tsf.2024.140266 …
Abstract. Magnetodielectric (MD) composite ceramics NiFe 2 O 4 /Pb (Zr 0.53 Ti 0.47 )O 3 (NFO/PZT) and Ni 0.4 Zn 0.6 Fe 2 O 4 /Pb (Zr 0.53 Ti 0.47 )O 3 (NZFO/PZT) were prepared by conventional oxide ceramic technology. The MD effect and electric-field-induced magnetic permeability (EIMP) to different excitation signals were …
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.
An external magnetic field of 50 mT produced an electric field of 16.25 MV m −1, while the piezoelectric response significantly increased when the magnetic field was applied. Moreover, the HER performance of CFO nanoparticles, CFO + BFO physical mixture nanoparticles in deionized (DI) water, and DI water/methanol solution was tested …
Combining the effects of magnetostrictive and piezoelectric, magneto-mechano-electrical (MME) generators have been developed to accomplish stray …
Publisher: The Chinese Ceramic Society. Since multiferroic magnetoelectric (ME) material has ferroelectric, ferromagnetic and magnetoelectric properties, it is possible to use this material for the design of storage device. Recent development on the application of single-phase or composite ME material on storage …
However, two-dimensional multiferroics with effective magnetoelectric coupling, which ultimately decides the future of multiferroic-based information technology, has not been realized yet.
Abstract: Modern progress in science and technology is inextricably linked with the development of scientific knowledge in the field of composite materials. An …
Magnetic noise from various electrical systems and electronic devices is a plentiful source of energy that is ubiquitous in the environment but rarely utilised. Like sunlight and wind energy ...
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 …
Pseudocapacitive (PC) materials are under investigation for energy storage in supercapacitors, which exhibit exceptionally high capacitance, good cyclic stability, and high power density. The ability to combine high electrical capacitance with advanced ferrimagnetic or ferromagnetic properties in a single material at room temperature opens …
State‐of‐the‐art harvesting materials and structures are presented with a focus on characterization, fabrication, modeling and simulation, and durability and reliability, and some perspectives and challenges for the future development of energy harvesting materials are highlighted. In the coming era of the internet of things (IoT), wireless sensor …
The maximum energy storage density and efficiency achieved for BT–5CFO (5% CoFe2O4) composite was 8.33 mJ/cm³ and an efficiency of 59.7% respectively. The coupling between the ferroelectric and ...
Combining topological materials with antiferromagnets has generated a new research direction, that is, topological antiferromagnetic spintronics 31, 32. Its aim is the study and manipulation of ...
The main bottlenecks limiting the practical applications of current magnetoresistive random access memory (MRAM) technology are its low storage density and high writing energy consumption ...
Recent advances in the understanding of magnetoelectric mechanisms and new materials with significant voltage-driven magnetic effects are reported in this …
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 …
An ultra-compact dual-band smart nanoelectromechanical systems magnetoelectric (ME) antenna with a size of 250 × 174 µm2 that can efficiently perform wireless energy harvesting and sense ultra-small magnetic fields like those arising from neural activity is shown. Ultra-compact wireless implantable medical devices are in great …
The increase in energy storage capacity with the magnetic field is due the magnetostriction effect followed by the piezoelectric effect, which can be explained as …
Magnetoelectric memory cell increases energy efficiency for data storage. ScienceDaily . Retrieved June 16, 2024 from / releases / 2017 / 05 / 170530115057.htm