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Metal-coated carbon nanotube tips for magnetic force microscopy

Z. Deng,^1,2 E. Yenilmez,^2,3 J. Leu,^1,2 J. E. Hoffman,^2,3 E. W. J. Straver,^2,3 H. Dai,^2,4 and K. A. Moler^1,2,3
1Department of Physics, Stanford University, Stanford, California 94305
²Geballe Laboratory for Advanced Materials, Stanford University, Stanford, California 94305
³Department of Applied Physics, Stanford University, Stanford, California 94305
⁴Department of Chemistry, Stanford University, Stanford, California 94305

Appl. Phys. Lett. Volume 85, 6263 (20 December 2004).

Abstract

We fabricated cantilevers for magnetic force microscopy with carbon nanotube tips coated with magnetic material. Images of a custom hard drive demonstrated 20 nm lateral resolution, with prospects for further improvements.

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