Flexible thin film magnetoimpedance sensors

Kurlyandskaya, G.V.; Férnández, Eduardo F.; Svalov, A. V.; Burgoa, Aizeti; Garcı́a-Arribas, A.; Larrañaga, Aitor

doi:10.1016/j.jmmm.2016.02.004

Cited by 42 publications

(28 citation statements)

References 14 publications

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“…depend on the equipment used and the nature of the desired material. Glass or silicon wafers are used as substrates, although polymers are increasingly being used with the onset of flexible electronics [39][40][41][42]. As large sensitivity relies on a well-defined transverse anisotropy, an in-plane magnetic field is usually applied during deposition.…”

Section: Fabrication Of MI Structuresmentioning

confidence: 99%

“…In fact, the use of flexible substrates for thin film MI implementations is gaining relevance with the onset of applications of flexible electronics [39][40][41][42]. Novel deformation sensors are being proposed based on stress-impedance effect, which is very close to the MI effect, but based on the variations of the magnetic permeability experienced by the sensing material upon the application of mechanical strains [80,81].…”

Section: Brief Survey Of Applicationsmentioning

confidence: 99%

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Thin-Film Magneto-Impedance Sensors

Garcı́a-Arribas¹,

Férnández²,

Cos³

2017

Magnetic Sensors - Development Trends and Applications

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We review the state-of-the-art of thin films displaying the magneto-impedance (MI) effect, with focus on the aspects that are relevant to the successful design and operation of thin film-based magnetic sensors. After a brief introduction of the MI effect, the materials and geometries that maximize the performance, together with the measurement procedure for their characterization, are exposed. A nonexhaustive survey of applications is included, mostly with the aim of displaying the capabilities of thin film structures in the field of magnetic sensing, and the variety of topics covered by them. A special emphasis is made on some concepts that are not commonly treated in the literature, such as the influence of the measuring circuit on the magneto-impedance ratio, the geometry optimization by means of numerical simulation by finite element methods, or noise measurements on thin films. Additionally, a brief description of the patterning procedure by photolithography is included, since the major advantage of thin film sensors over other types of magneto-impedance materials as ribbons or wires is the possibility of patterning the sensible element in micrometric shapes, and most of all, their easy integration with the interface microelectronic circuitry.

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Section: Fabrication Of MI Structuresmentioning

confidence: 99%

Section: Brief Survey Of Applicationsmentioning

confidence: 99%

Thin-Film Magneto-Impedance Sensors

Garcı́a-Arribas¹,

Férnández²,

Cos³

2017

Magnetic Sensors - Development Trends and Applications

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show abstract

“…Composite films offer a great advantage to improve material properties that can lead to increased device performance. Depositing very thin composite films using traditional solution processing approaches is a challenge, due to differences in material solubility [1][2][3]. As a result, composite materials are often not compatible with traditional solution processing techniques [1], motivating the need to develop novel approaches to deposit composite films.…”

Section: Introductionmentioning

confidence: 99%

“…While multiple metal-and non-metal-based transparent supercapacitor electrode materials have been investigated, almost all reported materials have a capacitance of less than 1 F/cm 2 [8]. In many cases, the low capacitance is due to the use of a single material.…”

Section: Introductionmentioning

confidence: 99%

Transparent MXene-Polymer Supercapacitive Film Deposited Using RIR-MAPLE

et al. 2020

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In this work, resonant infrared matrix-assisted pulsed laser evaporation (RIR-MAPLE), a novel deposition technique, was used to produce a transparent composite electrode of polyflourene (PFO) and two-dimensional (2D) Ti3C2Tx nanosheets, which are part of the broader MXene family of transition metal carbides and nitrides. This deposition technique offers a facile way to vary film composition in polymer/polymer and polymer/nanoparticle films. Through this method, composite PFO and MXene films were studied across six different compositions, enabling the identification of a film composition that exhibited excellent charge storage (above 10 mF/cm2) and transparency (over 75% transmittance) when used as a supercapacitor electrode material. Thus, RIR-MAPLE shows promise as a controllable and facile deposition technique for organic/inorganic composite films for use in transparent supercapacitors, as well as in other energy storage applications.

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“…Besides widely used sensors working based on the Hall effect, an attractive option for determining the intensity of the magnetic field seems to be microscopic structures whose work is based on the phenomenon of magnetoresistance. Their advantages are low weight and dimensions, high sensitivity and stability [1,2,13]. A good example of the material for the production of such structures is the NiFe alloy, which is used in the vast majority of sensors working on the principle of magnetoresistance [21,22].…”

Section: Introductionmentioning

confidence: 99%

Technology and Measurements of Magnetoresistance in Thin-Layered Ferromagnetic Structures

Kisała

Czarnacka

Gęca

et al. 2020

IAPGOS

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The paper presents the technology for obtaining NiFe/Ti/NiFe layer structures in MEMS technology using magnetron purge with the assumption of being used as semi-magnetic sensors. A series of samples was made on a glass substrate with a sandwich structure, where the individual layers were 100 nm NiFe, 10 nm Ti and on top again NiFe with a thickness of 100 nm. Measurements of DC resistance of the obtained structures in a constant magnetic field, which was produced by neodymium magnets and an electromagnet, were carried out. The obtained results confirm the occurrence of phenomena known as the magnetoresistance effect. The influence of the spatial arrangement of structures relative to the constant magnetic field vector was checked and proved.

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Flexible thin film magnetoimpedance sensors

Cited by 42 publications

References 14 publications

Thin-Film Magneto-Impedance Sensors

Thin-Film Magneto-Impedance Sensors

Transparent MXene-Polymer Supercapacitive Film Deposited Using RIR-MAPLE

Technology and Measurements of Magnetoresistance in Thin-Layered Ferromagnetic Structures

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