Electron paramagnetic resonance spectroscopy using a dc-SQUID magnetometer directly coupled to an electron spin ensemble
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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2015
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| _version_ | 1866914842553614336 |
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| author | Toida, Hiraku Matsuzaki, Yuichiro Kakuyanagi, Kosuke Zhu, Xiaobo Munro, William J. Nemoto, Kae Yamaguchi, Hiroshi Saito, Shiro |
| author_facet | Toida, Hiraku Matsuzaki, Yuichiro Kakuyanagi, Kosuke Zhu, Xiaobo Munro, William J. Nemoto, Kae Yamaguchi, Hiroshi Saito, Shiro |
| contents | We demonstrate electron spin polarization detection and electron paramagnetic resonance (EPR) spectroscopy using a direct current superconducting quantum interference device (dc-SQUID) magnetometer. Our target electron spin ensemble is directly glued on the dc-SQUID magnetometer that detects electron spin polarization induced by a external magnetic field or EPR in micrometer-sized area. The minimum distinguishable number of polarized spins and sensing volume of the electron spin polarization detection and the EPR spectroscopy are estimated to be $\sim$$10^6$ and $\sim$$10^{-10}$ $\mathrm{cm}^{3}$ ($\sim$0.1 pl), respectively. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_1511_04832 |
| institution | arXiv |
| publishDate | 2015 |
| record_format | arxiv |
| spellingShingle | Electron paramagnetic resonance spectroscopy using a dc-SQUID magnetometer directly coupled to an electron spin ensemble Toida, Hiraku Matsuzaki, Yuichiro Kakuyanagi, Kosuke Zhu, Xiaobo Munro, William J. Nemoto, Kae Yamaguchi, Hiroshi Saito, Shiro Mesoscale and Nanoscale Physics Superconductivity Quantum Physics We demonstrate electron spin polarization detection and electron paramagnetic resonance (EPR) spectroscopy using a direct current superconducting quantum interference device (dc-SQUID) magnetometer. Our target electron spin ensemble is directly glued on the dc-SQUID magnetometer that detects electron spin polarization induced by a external magnetic field or EPR in micrometer-sized area. The minimum distinguishable number of polarized spins and sensing volume of the electron spin polarization detection and the EPR spectroscopy are estimated to be $\sim$$10^6$ and $\sim$$10^{-10}$ $\mathrm{cm}^{3}$ ($\sim$0.1 pl), respectively. |
| title | Electron paramagnetic resonance spectroscopy using a dc-SQUID magnetometer directly coupled to an electron spin ensemble |
| topic | Mesoscale and Nanoscale Physics Superconductivity Quantum Physics |
| url | https://arxiv.org/abs/1511.04832 |