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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2401.16735 |
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| _version_ | 1866910318434713600 |
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| author | Wang, Jiaqi Xie, Hang Wu, Yihong |
| author_facet | Wang, Jiaqi Xie, Hang Wu, Yihong |
| contents | Magnetic position sensors find extensive applications in various industrial sectors and consumer products. However, measuring angles in the full range of 0° to 360° in a wide field range using a single magnetic sensor remains a challenge. Here, we propose a magnetic position sensor based on a single Wheatstone bridge structure made from a single ferromagnetic layer. By measuring the anisotropic magnetoresistance (AMR) signal from the bridge and two sets of anomalous Nernst effect (ANE) signals from the transverse ports on two perpendicular Wheatstone bridge arms concurrently, we show that it is possible to achieve 0° to 360° angle detection using a single bridge sensor. The combined use of AMR and ANE signals allows to achieve a mean angle error in the range of 0.51° to 1.05° within a field range of 100 Oe to 10,000 Oe. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_16735 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Angular Position Sensor Based on Anisotropic Magnetoresistive and Anomalous Nernst Effect Wang, Jiaqi Xie, Hang Wu, Yihong Applied Physics Magnetic position sensors find extensive applications in various industrial sectors and consumer products. However, measuring angles in the full range of 0° to 360° in a wide field range using a single magnetic sensor remains a challenge. Here, we propose a magnetic position sensor based on a single Wheatstone bridge structure made from a single ferromagnetic layer. By measuring the anisotropic magnetoresistance (AMR) signal from the bridge and two sets of anomalous Nernst effect (ANE) signals from the transverse ports on two perpendicular Wheatstone bridge arms concurrently, we show that it is possible to achieve 0° to 360° angle detection using a single bridge sensor. The combined use of AMR and ANE signals allows to achieve a mean angle error in the range of 0.51° to 1.05° within a field range of 100 Oe to 10,000 Oe. |
| title | Angular Position Sensor Based on Anisotropic Magnetoresistive and Anomalous Nernst Effect |
| topic | Applied Physics |
| url | https://arxiv.org/abs/2401.16735 |