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Preparation and characterisation of a new amorphous tip coating for application in magnetic force microscopy

Heydon, G. P., Rainforth, W. M., Gibbs, M. R. J., Davies, H. A., McVitie, S., Ferrier, R. P., Scott, J., Tucker, J. W., and Bishop, J. E. L. (1999) Preparation and characterisation of a new amorphous tip coating for application in magnetic force microscopy. Journal of Magnetism and Magnetic Materials, 205 (2-3). pp. 131-135. ISSN 03048853 (doi:10.1016/S0304-8853(99)00475-8)

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Publisher's URL: http://dx.doi.org/10.1016/S0304-8853(99)00475-8

Abstract

Using sputter deposition, we have coated standard silicon pyramidal force microscopy tips with an amorphous ferromagnetic film. The film composition is close to that of the commercial METGLAS(R) 2605SC amorphous ribbon. Using a NIST magnetic imaging reference sample, and a Digital Instruments Dimension 3000 microscope platform, we demonstrate the good spatial resolution of the coated tip, and that it behaves in a manner consistent with a magnetic moment intermediate between currently available commercial tips and those possessing a low coercivity. Using Lorentz electron tomography techniques, the stray held pattern of the tip in the remanent state was shown to be consistent with a magnetic moment aligned along the tip axis.

Item Type:Article (Letter)
Keywords:Magnetic force microscopy
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Scott, Dr Jamie and McVitie, Dr Stephen and Ferrier, Prof Robert
Authors: Heydon, G. P., Rainforth, W. M., Gibbs, M. R. J., Davies, H. A., McVitie, S., Ferrier, R. P., Scott, J., Tucker, J. W., and Bishop, J. E. L.
Subjects:Q Science > QC Physics
College/School:College of Science and Engineering > School of Physics and Astronomy
Research Group:Solid State Physics
Journal Name:Journal of Magnetism and Magnetic Materials
Journal Abbr.:J. Magn. Magn. Mater.
ISSN:03048853
Published Online:4 October 1999

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