Highly Sensitive Flexible Magnetic Sensor Based on Anisotropic Magnetoresistance Effect

doi:10.1002/adma.201602910

. 2016 Nov;28(42):9370-9377.

doi: 10.1002/adma.201602910. Epub 2016 Sep 4.

Highly Sensitive Flexible Magnetic Sensor Based on Anisotropic Magnetoresistance Effect

Zhiguang Wang^{1

2}, Xinjun Wang¹, Menghui Li¹, Yuan Gao¹, Zhongqiang Hu¹, Tianxiang Nan¹, Xianfeng Liang¹, Huaihao Chen¹, Jia Yang³, Syd Cash², Nian-Xiang Sun¹

Affiliations

¹ Department of Electrical and Computer Engineering, Northeastern University, Boston, MA, 02115, USA.
² Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Cambridge, MA, 02114, USA.
³ Department of Mechanical Engineering, Boston University, Boston, MA, 02215, USA.

PMID: 27593972
DOI: 10.1002/adma.201602910

Highly Sensitive Flexible Magnetic Sensor Based on Anisotropic Magnetoresistance Effect

Zhiguang Wang et al. Adv Mater. 2016 Nov.

. 2016 Nov;28(42):9370-9377.

doi: 10.1002/adma.201602910. Epub 2016 Sep 4.

Authors

Zhiguang Wang^{1

2}, Xinjun Wang¹, Menghui Li¹, Yuan Gao¹, Zhongqiang Hu¹, Tianxiang Nan¹, Xianfeng Liang¹, Huaihao Chen¹, Jia Yang³, Syd Cash², Nian-Xiang Sun¹

Affiliations

¹ Department of Electrical and Computer Engineering, Northeastern University, Boston, MA, 02115, USA.
² Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Cambridge, MA, 02114, USA.
³ Department of Mechanical Engineering, Boston University, Boston, MA, 02215, USA.

PMID: 27593972
DOI: 10.1002/adma.201602910

Abstract

A highly sensitive flexible magnetic sensor based on the anisotropic magnetoresistance effect is fabricated. A limit of detection of 150 nT is observed and excellent deformation stability is achieved after wrapping of the flexible sensor, with bending radii down to 5 mm. The flexible AMR sensor is used to read a magnetic pattern with a thickness of 10 μm that is formed by ferrite magnetic inks.

Keywords: anisotropic magnetoresistance; flexible magnetoelectronics; magnetic pattern recognition; magnetic sensors.

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Highly Sensitive Flexible Magnetic Sensor Based on Anisotropic Magnetoresistance Effect

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Highly Sensitive Flexible Magnetic Sensor Based on Anisotropic Magnetoresistance Effect

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