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 | Nanotech 2005 Vol. 2
Technical Proceedings of the 2005 NSTI Nanotechnology Conference and Trade Show, Volume 2
Chapter 11: Characterization Tools and Microscopy |
| | Theoretical and Experimental Study of Synthetic MFM Tips | | Authors: | Y.H. Wu, G. Han and Y.K. Zheng | | Affilation: | National University of Singapore, SG | | Pages: | 715 - 718 | | Keywords: | MFM tips, synthetic structure, point-dipole response | | Abstract: | Recently, we have developed a synthetic MFM tip consisting of two ferromagnetic layers and a non-magnetic spacer [1]. The two ferromagnetic layers are coupled antiferromagnetically so that the MFM works in a differential detection mode. This has led to the enhancement of high-frequency component against the lower frequency counterpart. Experimentally we have also found that the synthetic tip functions as a point-dipole tip. In this paper, we will present a detailed theoretical analysis of the tip and compare the results with experimental data. The effect of spacer thickness on the imaging characteristics of the MFM tip will also be discussed. [1] Y. H. Wu et al, Appl. Phys. Lett. 82, 1748-1750 (2003). | | ISBN: | 0-9767985-1-4 |
| Pages: | 808 |
| Hardcopy: | $165.00 |
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