Current trends in planar Hall effect sensors: evolution, optimization, and applications

Elzwawy A, Piskin H, Akdogan N, Volmer M, Reiss G, Marnitz L, Moskaltsova A, Gurel O, Schmalhorst J-M (2021)
Journal of Physics D: Applied Physics 54(35): 353002.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Elzwawy, Amir; Piskin, Hasan; Akdogan, Numan; Volmer, Marius; Reiss, GünterUniBi ; Marnitz, LucaUniBi; Moskaltsova, AnastasiiaUniBi; Gurel, Ogan; Schmalhorst, Jan-MichaelUniBi
Abstract / Bemerkung
The advantages of planar Hall effect (PHE) sensors-their thermal stability, very low detection limits, and high sensitivities-have supported a wide range of advanced applications such as nano-Tesla (nT) magnetometers, current sensing, or low magnetic moment detection in lab-on-a-chip devices. In this review we outline the background and implications of these PHE sensors, starting from fundamental physics through their technological evolution over the past few decades. Key parameters affecting the performance of these sensors, including noise from different sources, thermal stability, and magnetoresistance magnitudes are discussed. The progression of sensor geometries and junctions from disk, cross-to-bridge, ring, and ellipse configuration is also reviewed. The logical sequence of these structures from single magnetoresistive layers to bi-, tri-layers, and spin-valves is also covered. Research contributions to the development of these sensors are highlighted with a focus on microfluidics and flexible sensorics. This review serves as a comprehensive resource for scientists who wish to use PHE for fundamental research or to develop new applications and devices. The conclusions from this report will benefit the development, production, and performance evaluation of PHE-based devices and microfluidics, as well as set the stage for future advances.
Stichworte
planar Hall effect; sensors; permalloy; magnetoresistance; thin films; NiFe; IrMn
Erscheinungsjahr
2021
Zeitschriftentitel
Journal of Physics D: Applied Physics
Band
54
Ausgabe
35
Art.-Nr.
353002
ISSN
0022-3727
eISSN
1361-6463
Page URI
https://pub.uni-bielefeld.de/record/2957078

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Elzwawy A, Piskin H, Akdogan N, et al. Current trends in planar Hall effect sensors: evolution, optimization, and applications. Journal of Physics D: Applied Physics . 2021;54(35): 353002.
Elzwawy, A., Piskin, H., Akdogan, N., Volmer, M., Reiss, G., Marnitz, L., Moskaltsova, A., et al. (2021). Current trends in planar Hall effect sensors: evolution, optimization, and applications. Journal of Physics D: Applied Physics , 54(35), 353002. https://doi.org/10.1088/1361-6463/abfbfb
Elzwawy, A., Piskin, H., Akdogan, N., Volmer, M., Reiss, G., Marnitz, L., Moskaltsova, A., Gurel, O., and Schmalhorst, J. - M. (2021). Current trends in planar Hall effect sensors: evolution, optimization, and applications. Journal of Physics D: Applied Physics 54:353002.
Elzwawy, A., et al., 2021. Current trends in planar Hall effect sensors: evolution, optimization, and applications. Journal of Physics D: Applied Physics , 54(35): 353002.
A. Elzwawy, et al., “Current trends in planar Hall effect sensors: evolution, optimization, and applications”, Journal of Physics D: Applied Physics , vol. 54, 2021, : 353002.
Elzwawy, A., Piskin, H., Akdogan, N., Volmer, M., Reiss, G., Marnitz, L., Moskaltsova, A., Gurel, O., Schmalhorst, J.-M.: Current trends in planar Hall effect sensors: evolution, optimization, and applications. Journal of Physics D: Applied Physics . 54, : 353002 (2021).
Elzwawy, Amir, Piskin, Hasan, Akdogan, Numan, Volmer, Marius, Reiss, Günter, Marnitz, Luca, Moskaltsova, Anastasiia, Gurel, Ogan, and Schmalhorst, Jan-Michael. “Current trends in planar Hall effect sensors: evolution, optimization, and applications”. Journal of Physics D: Applied Physics 54.35 (2021): 353002.

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