Abstract Internet of things (IoT) becomes part everyday life across the globe, whose nodes are able to sense, store, and transmit information wirelessly. However, IoT based on von Neumann architectures realize memory, computing communication functions with physical separated devices, which result in severe power consumption computation latency. In this study, a wireless multiferroic memristor consisting Metglas/Pb(Zr 0.3 Ti 0.7 )O 3 ‐1 mol% Mn/Metglas laminate is proposed, integrates...

Low frequency (LF) dual-driven magnetoelectric (i.e., DDME) antennas are proposed, which include a pair of self-biased (ME) heterostructures Ni/Metglas/ [Pb(Zr,Ti)O <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> ] xmlns:xlink="http://www.w3.org/1999/xlink">5</sub> /Metglas/Ni) wrapped with small coils. For the DDME transmitter, layers designed as piezoelectric transformer. This enhances transmitted magnetic field significantly due to...

It is an important engineering challenge to detect a weak magnetic field <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">${H}_{AC}$ </tex-math></inline-formula> at low frequencies (1-100 Hz) due large noise. In this work, magnetoelectric (ME) sensor using single-crystal quartz material as the piezoelectric phase and optimized magnetostrictive layers has been presented sense low-frequency signals. Firstly,...

Titanium-based metallic glasses (TBMGs) are attracting broad interest due to their simultaneous light weight, superhigh strength, and specific exceptional wear- corrosion-resistance biocompatibility, desirable for electronic, biomedical, aerospace applications. However, the glass-forming ability (GFA) of TBMGs, except some containing significant amount toxic (Be) or precious (Pd, Ag) elements, is disappointingly low, as manifested by a critical casting diameter (dc) not more than 6 mm, which...

Acoustically driven magnetoelectric (ME) antenna operating at low frequency reduces the size and enhances transmission efficiency significantly compared to electric antennas. This study reports a two-dimensional (2D) electro-magneto-elastic equivalent circuit model experimental verification of nonvolatile pattern reconfigurable ME (i.e., Ni/Metglas/ PZT/Metglas/Ni) for first time. The proposed modulates magnetic moment oscillation with an adjustable built-in field, which results in pattern....

The magnetoelectric (ME) coupling is investigated in laminated composites employing piezoelectric ceramic PZT (PZT-8), iron-nickel-based ferromagnetic alloy with constant elasticity (FeNi-FACE), and soft magnetic amorphous ribbon FeCuNbSiB (Fe73.5Cu1Nb3Si13.5B9). two different materials of FeNi-FACE result built-in dc bias (Hdc) due to difference their permeability coercivity. In addition, the relatively high mechanical quality factors (Qm) for FeNi-FACE, PZT-8, enhance resonant ME voltage...

The enhancement of resonant magnetoelectric (ME) effects is reported in the structure consisting a piezoelectric PZT (Pb(Zr1 − xTix)O3) plate, magnetostrictive Terfenol-D (Tb1 xDyxFe2 y) and multiple high-permeability FeCuNbSiB (Fe73.5Cu1Nb3Si13.5B9) ribbon plates. acts as dynamic driver to increase effective piezomagnetic coefficient enhances mechanical quality factor (Qm) laminate owing its high Qm, consequently resulting strain ME voltage (MEVC). experimental results show that...

A compact multiturn meander NiFe/Cu/NiFe trilayer film giant magnetoimpedance (GMI) sensor, with the width of 100 µm for NiFe and 60 Cu film, space 40 a turn number 10 is fabricated by MEMS technique on silicon substrate. The transverse, longitudinal perpendicular GMI effects are respectively investigated in magnetic field range 0–120 Oe frequency 1–40 MHz. With it could be up to 86.6% transverse effect at 15 MHz 120 Oe, 166% 20 165% 50 Oe. In addition, there platform stages, which...

This feature of rather large magnetoelectric (ME) coupling at the resonance enables ME composites to possess great energy conversion ability. paper proposes a new type transducer fabricated from ferromagnetic alloy FeNi-FACE, high-permeability FeCuNbSiB (Fe <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">73.5</sub> Cu xmlns:xlink="http://www.w3.org/1999/xlink">1</sub> Nb xmlns:xlink="http://www.w3.org/1999/xlink">3</sub> Si...

Multicomponent metallic glasses (MGs) are a fascinating class of advanced alloys known for their exceptional properties such as limit-approaching strength, high hardness and corrosion resistance, near-net-shape castability. One important question regarding these materials that remains unanswered is how the different elements atomic bonds within them control strength deformability. Here, we present detailed visual statistical analysis behaviors various in Zr

Abstract Longitudinal and transverse giant magnetoimpedance (GMI) effects in micropatterned ribbons (Metglas ® 2714A) with meander structure are investigated. The maximum longitudinal GMI ratio of the is 180.4% it presents to H L = 10 Oe an AC frequency f 20 MHz. In range 0–10 Oe, sensitivity 8.1%/Oe at much less than one position extreme value corresponding higher magnetic field. difference between effect due two main reasons: easy axis deviates from direction sample; another demagnetizing...

Heat-assisted interlaced magnetic recording (HIMR) with track layout architecture enables the further increased areal density compared to conventional heat-assisted recording. However, severe transition curvatures of low temperature written tracks cause noticeable nonlinear distortions readback signal, and 2-D intersymbol interference (ISI), media noise, thermal jitter also bring challenges for data recovery. Correspondingly, a multitrack detection scheme iterative soft estimate aided neural...

A brand-new magnetostrictive/piezoelectric laminated composite is presented using the giant magnetostrictive Terfenol-D, piezoelectric PZT and high-permeability FeCuNbSiB. Since FeCuNbSiB changes effective magnetic field in Terfenol-D deformed applies a stress to an external field, thus saturation coefficient of enhanced, resulting higher magnetoelectric voltage output for composite. Based on equivalent charge theory, effect analyzed, theoretical formula low-frequency are derived based...

As the magnetoelectric (ME) effect in piezoelectric/magnetostrictive laminated composites is mediated by mechanical deformation, ME significantly enhanced vicinity of resonance frequency. The bending frequency (fr) bilayered Terfenol-D/PZT (MP) studied, and our analysis predicts that (i) an MP composite can be tuned applied dc magnetic bias (Hdc) due to ΔE effect; (ii) controlled incorporating FeCuNbSiB layers with different thicknesses. experimental results show Hdc increasing from 0 Oe (1...

Abstract Magnetoelectric (ME) composite based on the converse magnetoelectric (CME) effect is promising for high sensitivity dc and low-frequency magnetic field detection application, however, performance restricted by stress modulation ability of piezoelectric phases narrow bandwidth. This work presents a nonlinear equivalent circuit model to design new ME consisting magnetostrictive layers/radial mode transformer/magnetostrictive layers under dual ac modulation. The theoretical...

The rectangular magnetoelectric (ME) composites of Metglas/PZT and Terfenol-D/PZT are prepared, the effects a magnetostrictive layer’s material characteristics on magnetoimpedance ME composite discussed experimentally investigated. theoretical analyses show that impedance is not only dependent Young’s modulus strain but also influenced by its relative permeability. Compared with Terfenol-D, Metglas possesses significantly higher magnetic permeability larger at quite low Hdc due to small...

To improve the dc magnetic field sensitivity of conventional inductor-type (i.e., longitudinally driven giant magnetoimpedance) sensor at low excitation frequency, a transformer-type laminated consisting soft magnetostrictive alloy FeBSiC/piezoelectric ceramics Pb(Zr,Ti)O3/FeBSiC heterostructure wrapped with both exciting and sensing coils FPFCexCse) is proposed. Compared to Hac FeBSiC ribbons only coils), on one hand ac (Hac) produced by coil stress electrically PZT are synchronously...

The resonant magnetoelectric (ME) effects are investigated in Terfenol-D/PZT laminates with various soft magnetic alloys (i.e. FeCuNbSiB, FeSiB and CoNiFeSiB). high permeability magnetization produces an additional magnetostatic field the Terfenol-D, which changes effective distribution within Terfenol-D plays important role at large zero bias ME response. Meanwhile, magnetostrictive strain of can produce a pre-stress on layer due to its low saturation field, enhances maximum voltage...