Magnetorelaxometry of few Fe3O4 nanoparticles at 77 K employing a self-compensated SQUID magnetometer
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- 作者：Alexander Guillaume ; Jan M. Scholtyssek ; Aidin Lak ; Alexander Kassner ; Frank Ludwig ; Meinhard Schilling
- 关键词：Magnetic nanoparticles ; Self-compensated SQUID ; Magnetorelaxometry ; Electron-beam lithography ; FEM
- 刊名：Journal of Magnetism and Magnetic Materials
- 出版年：2016
- 出版时间：15 June 2016
- 年：2016
- 卷：408
- 期：Complete
- 页码：46-50
- 全文大小：803 K
文摘
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Novel self-compensated superconducting quantum interference device (SQUID).
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Electron-beam lithographical patterning of magnetic nanoparticles directly on SQUID.
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Magnetorelaxometric detection of 200 nanoparticles with diameter of 12 nm at 77 K.
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FEM simulations provide detection limit of less than 100 nanoparticles.