Electrochemical approaches to room temperature magnetoelectric materials

Leistner, K.

doi:10.1016/j.coelec.2020.09.003

Cited by 11 publications

(7 citation statements)

References 59 publications

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“…Song et al have reviewed the general mechanisms responsible for voltage control of magnetism [10]. In turn, Leistner et al [320], Molinari et al [11] and Navarro-Senent et al [12], has also revised the main results concerning electrolyte-gating of magnetic materials. Since electric field in metals is effectively screened at the surface (within the Thomas-Fermi length, which is about 0.5 nm), such effects required of film thicknesses of the order of 2-3 nm.…”

Section: Surface-charged and Magneto-ionic Materialsmentioning

confidence: 99%

“…Hydrogen atoms can diffuse via interstitial sites at high mobility rates (due to their small size), rendering hydrogen-mediated magneto-ionics a very promising approach to circumvent the limited operation speed and cyclability of oxygen magneto-ionics. Hydrogen magneto-ionics have been demonstrated both in solid and liquid [320,335,336,[353][354][355][356][357][358][359] electrolyte configurations. In solid state, Tan et al [336] showed a voltage-induced spin reorientation in Au/GdOx/Co(0.9 nm)/Pt stacks assisted by humid environment, with endurance of up to 2000 cycles, wherein hydrogen accumulation at the GdOx/Co interface caused a modification of the interface magnetic anisotropy.…”

Section: Surface-charged and Magneto-ionic Materialsmentioning

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: Surface-charged and Magneto-ionic Materialsmentioning

confidence: 99%

Section: Surface-charged and Magneto-ionic Materialsmentioning

confidence: 99%

Roadmap on Magnetoelectric Materials and Devices

et al. 2021

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“…LiPF 6 in dimethyl carbonate/ethylene carbonate mixture) to observe the effects. 7,21,22 In spite of the intensive research carried out in the last decade, studies with complex PC formulations are lacking.…”

Section: Introductionmentioning

confidence: 99%

Enhancing magneto-ionic effects in cobalt oxide films by electrolyte engineering

Martins

Solans‐Monfort

et al. 2023

Nanoscale Horiz.

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“…While magneto-ionic control of anisotropy, magnetization, or coercivity of magnetic thin films or nanoporous structures is well documented, − , there are only a few studies on the magneto-ionic control of MR. In Fe 3 O 4 films gated via a solid Li 4 SiO 4 electrolyte, voltage-tunable MR was achieved by reversible Li + insertion and an associated reduction of Fe 3+ to Fe 2+ , which modulates the spin polarization .…”

mentioning

confidence: 99%

Voltage-Controlled ON–OFF-Switching of Magnetoresistance in FeO_x/Fe/Au Aerogel Networks

Nichterwitz,

Hiekel,

Wolf

et al. 2023

ACS Mater. Au

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Voltage control of magnetoresistance (MR) in nanoscale three-dimensional (3D) geometries is interesting from a fundamental point of view and a promising route toward novel sensors and energy-efficient computing schemes. Magneto-ionic mechanisms are favorable for low-voltage control of magnetism and room-temperature operation, but magneto-ionic control of MR has been studied only for planar geometries so far. We synthesize a 3D nanomaterial with magneto-ionic functionality by electrodepositing an iron hydroxide/iron coating on a porous nanoscale gold network (aerogel). To enable maximum magneto-ionic ON−OFF-switching, the thickness of the coating is adjusted to a few nanometers by a selfterminating electrodeposition process. In situ magnetotransport measurements during electrolytic gating of these nanostructures reveal large reversible changes in MR, including ON−OFF-switching of MR, with a small applied voltage difference (1.72 V). This effect is related to the electrochemical switching between a ferromagnetic iron shell/gold core nanostructure (negative MR at the reduction voltage) and an iron oxide shell/gold core nanostructure (negligible MR at the oxidation voltage).

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Electrochemical approaches to room temperature magnetoelectric materials

Cited by 11 publications

References 59 publications

Roadmap on Magnetoelectric Materials and Devices

Roadmap on Magnetoelectric Materials and Devices

Enhancing magneto-ionic effects in cobalt oxide films by electrolyte engineering

Voltage-Controlled ON–OFF-Switching of Magnetoresistance in FeO_x/Fe/Au Aerogel Networks

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Electrochemical approaches to room temperature magnetoelectric materials

Cited by 11 publications

References 59 publications

Roadmap on Magnetoelectric Materials and Devices

Roadmap on Magnetoelectric Materials and Devices

Enhancing magneto-ionic effects in cobalt oxide films by electrolyte engineering

Voltage-Controlled ON–OFF-Switching of Magnetoresistance in FeOx/Fe/Au Aerogel Networks

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Product

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Voltage-Controlled ON–OFF-Switching of Magnetoresistance in FeO_x/Fe/Au Aerogel Networks