High-Resolution Magnetoelectric Sensor and Low-Frequency Measurement Using Frequency Up-Conversion Technique
The magnetoelectric (ME) sensor is a new type of magnetic sensor with ultrahigh sensitivity that suitable for the measurement of low-frequency weak magnetic fields. In this study, a metglas/PZT-5B ME sensor with mechanical resonance frequency <inline-formula><math xmlns="http://www.w3....
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MDPI AG
2023-02-01
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| author | Kunyu Sun Zhihao Jiang Chengmeng Wang Dongxuan Han Zhao Yao Weihua Zong Zhejun Jin Shandong Li |
| author_facet | Kunyu Sun Zhihao Jiang Chengmeng Wang Dongxuan Han Zhao Yao Weihua Zong Zhejun Jin Shandong Li |
| author_sort | Kunyu Sun |
| collection | DOAJ |
| description | The magnetoelectric (ME) sensor is a new type of magnetic sensor with ultrahigh sensitivity that suitable for the measurement of low-frequency weak magnetic fields. In this study, a metglas/PZT-5B ME sensor with mechanical resonance frequency <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>f</mi><mrow><mi>r</mi><mi>e</mi><mi>s</mi></mrow></msub></mrow></semantics></math></inline-formula> of 60.041 kHz was prepared. It is interesting to note that its magnetic field resolution reached 0.20 nT at <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>f</mi><mrow><mi>r</mi><mi>e</mi><mi>s</mi></mrow></msub></mrow></semantics></math></inline-formula> and 0.34 nT under a DC field, respectively. In order to measure ultralow-frequency AC magnetic fields, a frequency up-conversion technique was employed. Using this technique, a limit of detection (LOD) under an AC magnetic field lower than 1 nT at 8 Hz was obtained, and the minimum LOD of 0.51 nT was achieved at 20 Hz. The high-resolution ME sensor at the sub-nT level is promising in the field of low-frequency weak magnetic field measurement technology. |
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| institution | Directory Open Access Journal |
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| language | English |
| last_indexed | 2024-03-11T09:24:16Z |
| publishDate | 2023-02-01 |
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| series | Sensors |
| spelling | doaj.art-81ffb59c58c4445d954915f7af4a2a902023-11-16T18:04:55ZengMDPI AGSensors1424-82202023-02-01233170210.3390/s23031702High-Resolution Magnetoelectric Sensor and Low-Frequency Measurement Using Frequency Up-Conversion TechniqueKunyu Sun0Zhihao Jiang1Chengmeng Wang2Dongxuan Han3Zhao Yao4Weihua Zong5Zhejun Jin6Shandong Li7College of Physics, Center for Marine Observation and Communication, Qingdao University, Qingdao 266071, ChinaCollege of Physics, Center for Marine Observation and Communication, Qingdao University, Qingdao 266071, ChinaCollege of Physics, Center for Marine Observation and Communication, Qingdao University, Qingdao 266071, ChinaCollege of Electronics and Information, Qingdao University, Qingdao 266071, ChinaCollege of Electronics and Information, Qingdao University, Qingdao 266071, ChinaCollege of Electronics and Information, Qingdao University, Qingdao 266071, ChinaCollege of Electronics and Information, Qingdao University, Qingdao 266071, ChinaCollege of Physics, Center for Marine Observation and Communication, Qingdao University, Qingdao 266071, ChinaThe magnetoelectric (ME) sensor is a new type of magnetic sensor with ultrahigh sensitivity that suitable for the measurement of low-frequency weak magnetic fields. In this study, a metglas/PZT-5B ME sensor with mechanical resonance frequency <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>f</mi><mrow><mi>r</mi><mi>e</mi><mi>s</mi></mrow></msub></mrow></semantics></math></inline-formula> of 60.041 kHz was prepared. It is interesting to note that its magnetic field resolution reached 0.20 nT at <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msub><mi>f</mi><mrow><mi>r</mi><mi>e</mi><mi>s</mi></mrow></msub></mrow></semantics></math></inline-formula> and 0.34 nT under a DC field, respectively. In order to measure ultralow-frequency AC magnetic fields, a frequency up-conversion technique was employed. Using this technique, a limit of detection (LOD) under an AC magnetic field lower than 1 nT at 8 Hz was obtained, and the minimum LOD of 0.51 nT was achieved at 20 Hz. The high-resolution ME sensor at the sub-nT level is promising in the field of low-frequency weak magnetic field measurement technology.https://www.mdpi.com/1424-8220/23/3/1702magnetoelectric sensorsfrequency up-conversion techniquepiezomagnetic materiallow-frequency weak magnetic field |
| spellingShingle | Kunyu Sun Zhihao Jiang Chengmeng Wang Dongxuan Han Zhao Yao Weihua Zong Zhejun Jin Shandong Li High-Resolution Magnetoelectric Sensor and Low-Frequency Measurement Using Frequency Up-Conversion Technique Sensors magnetoelectric sensors frequency up-conversion technique piezomagnetic material low-frequency weak magnetic field |
| title | High-Resolution Magnetoelectric Sensor and Low-Frequency Measurement Using Frequency Up-Conversion Technique |
| title_full | High-Resolution Magnetoelectric Sensor and Low-Frequency Measurement Using Frequency Up-Conversion Technique |
| title_fullStr | High-Resolution Magnetoelectric Sensor and Low-Frequency Measurement Using Frequency Up-Conversion Technique |
| title_full_unstemmed | High-Resolution Magnetoelectric Sensor and Low-Frequency Measurement Using Frequency Up-Conversion Technique |
| title_short | High-Resolution Magnetoelectric Sensor and Low-Frequency Measurement Using Frequency Up-Conversion Technique |
| title_sort | high resolution magnetoelectric sensor and low frequency measurement using frequency up conversion technique |
| topic | magnetoelectric sensors frequency up-conversion technique piezomagnetic material low-frequency weak magnetic field |
| url | https://www.mdpi.com/1424-8220/23/3/1702 |
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