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https://doi.org/10.1063/1.2234537
| Title: | Detection of ferromagnetic particles using spin valve sensors | Authors: | Lui, L.W.Y. Tan, Y.Y. Li, K.B. Sow, C.H. O'Shea, S.J. |
Issue Date: | 2006 | Citation: | Lui, L.W.Y., Tan, Y.Y., Li, K.B., Sow, C.H., O'Shea, S.J. (2006). Detection of ferromagnetic particles using spin valve sensors. Journal of Applied Physics 100 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2234537 | Abstract: | We have attached single ferromagnetic particles of 8 μm diameter to the tips of microfabricated atomic force microscope cantilevers. These cantilevers were magnetized to fix the magnetization direction of the ferromagnetic particles and scanned in a controlled manner over a spin valve structure of dimension 12 × 8 μm2. Two dimensional image scans representing the change in resistance of the spin valve due to a scanning bead were obtained. The results are explained using a simple model where the scanning bead is treated as a pure dipole. © 2006 American Institute of Physics. | Source Title: | Journal of Applied Physics | URI: | http://scholarbank.nus.edu.sg/handle/10635/96187 | ISSN: | 00218979 | DOI: | 10.1063/1.2234537 |
| Appears in Collections: | Staff Publications |
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