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Open Access Nano Express

Magnetometric Studies of Catalyst Refuses in Nanocarbon Materials

Irina V Ovsienko1, LyudmilaYu Matzuy1, Nykolai I Zakharenko1, Nykolai G Babich1, Tetyana A Len1, Yuriy I Prylutskyy2, David Hui3, Yuri M Strzhemechny4* and Peter C Eklund5

Author Affiliations

1 Department of Physics, Kyiv National Shevchenko University, Volodymyrska Str., 64, 03310, Kyiv, Ukraine

2 Department of Biophysics, Kyiv National Shevchenko University, Volodymyrska Str., 64, 03310, Kyiv, Ukraine

3 Department of Mechanical Engineering, University of New Orleans, New Orleans, LA, 70148, USA

4 Department of Physics and Astronomy, Texas Christian University, TCU Box 298840, Fort Worth, TX, 76129, USA

5 Department of Physics, The Pennsylvania State University, 104 Davey Laboratory, University Park, PA, 16802-6300, USA

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Nanoscale Research Letters 2008, 3:60-64  doi:10.1007/s11671-007-9115-z

Published: 8 January 2008

Abstract

It is shown that magnetometry can be employed as an effective tool to control the content of a ferromagnetic constituent in nanocarbon materials. We propose a thermochemical treatment protocol to achieve extensive cleaning of the source nanocarbon materials from ferromagnetic refuses.

Keywords:
Nanocarbon material; Magnetometry; Carbon nanotubes; Catalyst refuse; Magnetic susceptibility; Thermochemical treatment