Please use this identifier to cite or link to this item: 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
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