Magnetoelectrics: Three Centuries of Research Heading Towards the 4.0 Industrial Revolution

Pereira, Nélson; Lima, Ana Catarina; Lanceros‐Méndez, S.; Martins, P.

doi:10.3390/ma13184033

Cited by 45 publications

(22 citation statements)

References 112 publications

(225 reference statements)

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“…On the other hand, these laminated composites may have potential segregation and leakage current problems [284,286]. Such laminated composited can be arranged in different forms and geometries, including discs, squares, rectangles, and rings, with different sizes [294,295]. Figure 5 summarizes the most used materials for the development of ME polymer-based composites.…”

Section: Methodsmentioning

confidence: 99%

“…Those facts are explained by the tailorable magnetic hysteresis, coercivity and high magnetostrictive coefficients (up to some dozens of ppms) of ferrites [295,297] and by the high magnetic permeability, piezomagnetic coefficient (2ppm.Oe -1 ) and stiffness of Metglas [298,299]. Such materials have offered optimized features that triggered new applications with easy production at low temperatures and additive manufacturing capability [300,301] (inkjet printing, screen printing, and spray-printing, among others), adjusted mechanical properties for flexible devices, large area devices, and biocompatible applications [294]. This will be discussed in the next chapter.…”

Section: Methodsmentioning

confidence: 99%

“…When compared to alternative technologies, polymer-based ME materials display: i) large 15 kV.T -1 sensitivity as a result of the enhanced magnetic flux concentration effect [303] (a sensitivity of 0.005 kV.T −1 has been reported for Hall sensing devices [304]); ii) a 1 mm/T displacement actuation capability [305] (0.03 value has been reported for single crystal-based actuators [306]);iii) a power output (power/volume/HAC) of 3.3 mW.cm −3 .Oe −1 [307] (3 mW.cm −3 .Oe −1 has been the value reported on helical core magnetic harvesters [308]); and iv) 4 memory states (2 can be found on traditional magnetic recording devices [309]). Regarding biomedical applications, polymer-based ME composites have attracted the attention for tissue engineering, drug delivery, surgical actuation, neural simulation, biomedical sensing, antennas for biomedical implants and energy harvesters for small biomedical devices [310][311][312][313] due to their biocompatibility and sensing/actuation/harvesting performances [285,294,312].…”

Section: Methodsmentioning

confidence: 99%

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Roadmap on Magnetoelectric Materials and Devices

et al. 2021

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The possibility to tune the magnetic properties of materials with voltage (converse magnetoelectricity) or to generate 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 number of multifunctional integrated systems such as mechanical antennas, magnetometers, radiofrequency (RF) tunable inductors, etc., which have been realized due to the strong strainmediated magnetoelectric (ME) coupling found in ME composites. The development of singlephase multiferroic materials (which exhibit simultaneous ferroelectric and ferromagnetic or antiferromagnetic orders), multiferroic heterostructures, as well as progress in other ME mechanisms, such as electrostatic surface charging or magneto-ionics (voltage-driven ion migration) have a large potential to boost energy efficiency in spintronics and magnetic actuators. This paper focuses on existing ME materials and devices and reviews the state of the art in their

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Roadmap on Magnetoelectric Materials and Devices

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“…Multiferroics are a class of material where magnetism and ferroelectricity coexist in coupling and synergy. The development of new composite multiferroic materials with better properties than in single-phase multiferroics, having the interrelated piezoelectric and ferromagnetic properties once again take a lot of attention [ 1 , 2 , 3 ]. Coupled electrical polarization and magnetization give rise to their mutual control.…”

Section: Introductionmentioning

confidence: 99%

Boosting Magnetoelectric Effect in Polymer-Based Nanocomposites

et al. 2021

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Polymer-based magnetoelectric composite materials have attracted a lot of attention due to their high potential in various types of applications as magnetic field sensors, energy harvesting, and biomedical devices. Current researches are focused on the increase in the efficiency of magnetoelectric transformation. In this work, a new strategy of arrangement of clusters of magnetic nanoparticles by an external magnetic field in PVDF and PFVD-TrFE matrixes is proposed to increase the voltage coefficient (αME) of the magnetoelectric effect. Another strategy is the use of 3-component composites through the inclusion of piezoelectric BaTiO3 particles. Developed strategies allow us to increase the αME value from ~5 mV/cm·Oe for the composite of randomly distributed CoFe2O4 nanoparticles in PVDF matrix to ~18.5 mV/cm·Oe for a composite of magnetic particles in PVDF-TrFE matrix with 5%wt of piezoelectric particles. The applicability of such materials as bioactive surface is demonstrated on neural crest stem cell cultures.

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“…Multiferroics are the substances with two or more ‘ferro’ properties (ferromagnetic, ferroelectric, ferroelastic), integrated in a single entity. Among other new smart materials, they are extensively studied due to their wide prospects in sensing and energy transforming and harvesting techniques [ 1 , 2 , 3 ] since such working elements are enticing due to their ability to operate in wide frequency, field, temperature, etc., ranges [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 ]. The point of highest interest in multiferroics is their ability to perform magnetoelectric conversion.…”

Section: Introductionmentioning

confidence: 99%

Multiferroic Coupling of Ferromagnetic and Ferroelectric Particles through Elastic Polymers

et al. 2021

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Multiferroics are materials that electrically polarize when subjected to a magnetic field and magnetize under the action of an electric field. In composites, the multiferroic effect is achieved by mixing of ferromagnetic (FM) and ferroelectric (FE) particles. The FM particles are prone to magnetostriction (field-induced deformation), whereas the FE particles display piezoelectricity (electrically polarize under mechanical stress). In solid composites, where the FM and FE grains are in tight contact, the combination of these effects directly leads to multiferroic behavior. In the present work, we considered the FM/FE composites with soft polymer bases, where the particles of alternative kinds are remote from one another. In these systems, the multiferroic coupling is different and more complicated in comparison with the solid ones as it is essentially mediated by an electromagnetically neutral matrix. When either of the fields, magnetic or electric, acts on the ‘akin’ particles (FM or FE) it causes their displacement and by that perturbs the particle elastic environments. The induced mechanical stresses spread over the matrix and inevitably affect the particles of an alternative kind. Therefore, magnetization causes an electric response (due to the piezoeffect in FE) whereas electric polarization might entail a magnetic response (due to the magnetostriction effect in FM). A numerical model accounting for the multiferroic behavior of a polymer composite of the above-described type is proposed and confirmed experimentally on a polymer-based dispersion of iron and lead zirconate micron-size particles.

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Magnetoelectrics: Three Centuries of Research Heading Towards the 4.0 Industrial Revolution

Cited by 45 publications

References 112 publications

Roadmap on Magnetoelectric Materials and Devices

Roadmap on Magnetoelectric Materials and Devices

Boosting Magnetoelectric Effect in Polymer-Based Nanocomposites

Multiferroic Coupling of Ferromagnetic and Ferroelectric Particles through Elastic Polymers

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