Nano Science and Technology Institute
Nanotech 2005 Vol. 2
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).
Theoretical and Experimental Study of Synthetic MFM TipsView PDF of paper
ISBN:0-9767985-1-4
Pages:808
Hardcopy:$109.95
 
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