Clusters of Spin Valve Sensors in 3D Magnetic Field of a Label

Babaytsev, Georgy V.; Чеченин, Н.Г.; Dzhun, I. O.; Kozin, M. G.; Makunin, A. V.; Romashkina, I. L.

doi:10.3390/s21113595

Cited by 2 publications

(1 citation statement)

References 35 publications

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“…Magnetic sensors (including MR sensors) have been widely applied in position sensing, current sensing, and non-destructive monitoring (Figure 11) [140][141][142][143][144][145][146][147][148][149][150]. In these applications, magnetic sensors are applied to detect the magnetic fields generated by the targets.…”

Section: Mr Sensors In Position Sensing Current Sensing and Non-destructive Monitoringmentioning

confidence: 99%

Current Progress of Magnetoresistance Sensors

Yang

Zhang

2021

Chemosensors

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Magnetoresistance (MR) is the variation of a material’s resistivity under the presence of external magnetic fields. Reading heads in hard disk drives (HDDs) are the most common applications of MR sensors. Since the discovery of giant magnetoresistance (GMR) in the 1980s and the application of GMR reading heads in the 1990s, the MR sensors lead to the rapid developments of the HDDs’ storage capacity. Nowadays, MR sensors are employed in magnetic storage, position sensing, current sensing, non-destructive monitoring, and biomedical sensing systems. MR sensors are used to transfer the variation of the target magnetic fields to other signals such as resistance change. This review illustrates the progress of developing nanoconstructed MR materials/structures. Meanwhile, it offers an overview of current trends regarding the applications of MR sensors. In addition, the challenges in designing/developing MR sensors with enhanced performance and cost-efficiency are discussed in this review.

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Section: Mr Sensors In Position Sensing Current Sensing and Non-destructive Monitoringmentioning

confidence: 99%

Current Progress of Magnetoresistance Sensors

Yang

Zhang

2021

Chemosensors

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Spin-polarized transport properties of the FeCl2/WSe2/FeCl2 van der Waals heterostructure

Zhu

Cheng

et al. 2022

Applied Physics Letters

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The discovery of the giant magnetoresistance effect has led to the rapid development of spintronics. Although the half-metals can provide a 100% spin polarization rate and significantly improved giant magnetoresistance, the materials with low Curie temperatures present challenges for their use at room temperature. In an attempt to identify the half-metallic material with high Curie temperatures for spintronics, this study investigates a van der Waals heterostructure with vertically integrated FeCl2/WSe2/FeCl2. The spin-polarized transport properties of the device based on the heterostructure studied by the density function theory combined with nonequilibrium Green's function reveal comprehensive spintronics functions, including giant magnetoresistance, spin filtering, and negative differential resistance effect. The mechanism of the negative differential resistance effect has further been elucidated by the band alignment of the heterostructure under different biases within the bias window.

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Clusters of Spin Valve Sensors in 3D Magnetic Field of a Label

Cited by 2 publications

References 35 publications

Current Progress of Magnetoresistance Sensors

Current Progress of Magnetoresistance Sensors

Spin-polarized transport properties of the FeCl2/WSe2/FeCl2 van der Waals heterostructure

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