Hybrid type HTS-SQUID magnetometer with vibrating and rotating sample
Highly sensitive measurement of the very weak magnetic characteristics of magnetic particles in solution or of a solution itself is required for applications, such as biomedical examinations. In this paper, higher sensitivity and additional performance with relaxation measurement and harmonic signal...
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| Format: | Article |
| Language: | English |
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IEEE
2016
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| Online Access: | http://umpir.ump.edu.my/id/eprint/25433/1/Hybrid%20type%20HTS-SQUID%20magnetometer%20with%20vibrating%20.pdf |
| _version_ | 1825812792827969536 |
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| author | Tsukada, Keiji Koji, Morita Matsunaga, Yasuaki Mohd Mawardi, Saari Sakai, Kenji Kiwa, Toshihiko |
| author_facet | Tsukada, Keiji Koji, Morita Matsunaga, Yasuaki Mohd Mawardi, Saari Sakai, Kenji Kiwa, Toshihiko |
| author_sort | Tsukada, Keiji |
| collection | UMP |
| description | Highly sensitive measurement of the very weak magnetic characteristics of magnetic particles in solution or of a solution itself is required for applications, such as biomedical examinations. In this paper, higher sensitivity and additional performance with relaxation measurement and harmonic signal detection were achieved by an improvement of the driving mechanism and the high-resolution electric magnet, and optimization of the superconducting quantum interference device (SQUID) detection unit. A servomotor was used for sample vibration and rotation with precise control and high speed. For detection of the M-H characteristics, the sample was vibrated under the magnetic field in the electromagnet. For measuring the relaxation of the magnetization, the sample was rotated. A first-order differential pickup coil with a normal conducting wire connected to the input coil of a high-temperature superconductor-SQUID was used to detect the magnetic signal from the sample. High-resolution measurement of the magnetic moment on the order of 10-11 A m2 was achieved with this system configuration. An ac magnetic field with a dc bias could then be applied to the sample for detection of the harmonic signal. The magnetic relaxation signal from the sample was measured by another of the same type of differential detection coil equipped outside of the electric magnet by rotating, instead of vibrating, the sample. The magnetization curve for a low concentration of iron nanoparticles with a superparamagnetic character in the solution was successfully measured using the developed magnetometer, and the relaxation phenomenon was also characterized. |
| first_indexed | 2024-03-06T12:34:24Z |
| format | Article |
| id | UMPir25433 |
| institution | Universiti Malaysia Pahang |
| language | English |
| last_indexed | 2024-03-06T12:34:24Z |
| publishDate | 2016 |
| publisher | IEEE |
| record_format | dspace |
| spelling | UMPir254332019-12-24T02:31:18Z http://umpir.ump.edu.my/id/eprint/25433/ Hybrid type HTS-SQUID magnetometer with vibrating and rotating sample Tsukada, Keiji Koji, Morita Matsunaga, Yasuaki Mohd Mawardi, Saari Sakai, Kenji Kiwa, Toshihiko QC Physics TK Electrical engineering. Electronics Nuclear engineering Highly sensitive measurement of the very weak magnetic characteristics of magnetic particles in solution or of a solution itself is required for applications, such as biomedical examinations. In this paper, higher sensitivity and additional performance with relaxation measurement and harmonic signal detection were achieved by an improvement of the driving mechanism and the high-resolution electric magnet, and optimization of the superconducting quantum interference device (SQUID) detection unit. A servomotor was used for sample vibration and rotation with precise control and high speed. For detection of the M-H characteristics, the sample was vibrated under the magnetic field in the electromagnet. For measuring the relaxation of the magnetization, the sample was rotated. A first-order differential pickup coil with a normal conducting wire connected to the input coil of a high-temperature superconductor-SQUID was used to detect the magnetic signal from the sample. High-resolution measurement of the magnetic moment on the order of 10-11 A m2 was achieved with this system configuration. An ac magnetic field with a dc bias could then be applied to the sample for detection of the harmonic signal. The magnetic relaxation signal from the sample was measured by another of the same type of differential detection coil equipped outside of the electric magnet by rotating, instead of vibrating, the sample. The magnetization curve for a low concentration of iron nanoparticles with a superparamagnetic character in the solution was successfully measured using the developed magnetometer, and the relaxation phenomenon was also characterized. IEEE 2016-04 Article PeerReviewed pdf en http://umpir.ump.edu.my/id/eprint/25433/1/Hybrid%20type%20HTS-SQUID%20magnetometer%20with%20vibrating%20.pdf Tsukada, Keiji and Koji, Morita and Matsunaga, Yasuaki and Mohd Mawardi, Saari and Sakai, Kenji and Kiwa, Toshihiko (2016) Hybrid type HTS-SQUID magnetometer with vibrating and rotating sample. IEEE Transactions on Applied Superconductivity, 26 (3). pp. 1-5. ISSN 1051-8223 (Print); 1558-2515 (Online). (Published) https://doi.org/10.1109/TASC.2016.2531632 https://doi.org/10.1109/TASC.2016.2531632 |
| spellingShingle | QC Physics TK Electrical engineering. Electronics Nuclear engineering Tsukada, Keiji Koji, Morita Matsunaga, Yasuaki Mohd Mawardi, Saari Sakai, Kenji Kiwa, Toshihiko Hybrid type HTS-SQUID magnetometer with vibrating and rotating sample |
| title | Hybrid type HTS-SQUID magnetometer with vibrating and rotating sample |
| title_full | Hybrid type HTS-SQUID magnetometer with vibrating and rotating sample |
| title_fullStr | Hybrid type HTS-SQUID magnetometer with vibrating and rotating sample |
| title_full_unstemmed | Hybrid type HTS-SQUID magnetometer with vibrating and rotating sample |
| title_short | Hybrid type HTS-SQUID magnetometer with vibrating and rotating sample |
| title_sort | hybrid type hts squid magnetometer with vibrating and rotating sample |
| topic | QC Physics TK Electrical engineering. Electronics Nuclear engineering |
| url | http://umpir.ump.edu.my/id/eprint/25433/1/Hybrid%20type%20HTS-SQUID%20magnetometer%20with%20vibrating%20.pdf |
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