Magnetic force microscopy using fabricated cobalt-coated carbon nanotubes probes

Afzali, Jamal; Sadegh Hassani, Sedigheh

Document Type : Original Research Article

Authors

¹ Physics, Young Researchers Club and Elites, Islamic azad university, sanandaj branch, sanandaj, iran

² Catalysis and Nanotechnology Research Division, Research Institute of Petroleum Industry, P. O. Box: 1485733111, Tehran, Iran

Abstract

Magnetic force microscope ( MFM ) is a powerful technique for mapping the magnetic force gradient above the sample surface. Herein, single-wall carbon nanotubes (SWCNT) were used to fabricate MFM probe by dielectrophoresis method which is a reproducible and cost-effective technique. The effect of induced voltage on the deposition manner of carbon nanotubes (CNT) on the atomic force microscope ( AFM ) tip was investigated . The optimum voltage and frequency of SWCNT solution are obtained as 13 volts and 2 MHz, respectively. After coating theas-prepared CNT tips with a layer of cobalt,it can be used to obtain high resolution MFM images.

Graphical Abstract

Keywords

Main Subjects

Nanochemistry

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Iranian chemical communication

Magnetic force microscopy using fabricated cobalt-coated carbon nanotubes probes

References

References

Volume 3, Issue 3, pp. 180-282,Serial No. 8
July 2015
Pages 266-275

Magnetic force microscopy using fabricated cobalt-coated carbon nanotubes probes

References

References

Volume 3, Issue 3, pp. 180-282,Serial No. 8July 2015Pages 266-275

Volume 3, Issue 3, pp. 180-282,Serial No. 8
July 2015
Pages 266-275