[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.6564/JKMRS.2015.19.1.011

Electron Spin Resonance Line-widths of Carbon Nanotubes based on the Hyperfine Interaction

Park, Jung-Il (Nano-Physics and Technology Laboratory, Department of Physics, Kyungpook National University)
Cheong, Hai-Du (Division of Liberal Arts, Hanbat National University)

Publication Information

Journal of the Korean Magnetic Resonance Society / v.19, no.1, 2015 , pp. 11-17 More about this Journal

Abstract

The Kubo formalism and utilizing the projection operator technique (POT) introduced by Kawabata, the electron spin resonance (ESR) line-shape formula for carbon nanotubes through the hyperfine interaction introduced earlier in terms of POT. We can see that the line-width decreases exponentially as the temperature increases. The spin relaxation time show gradual decrease as magnetic field becomes larger. The analysis reveals the peculiarities in spin relaxation inherent to one dimensional system at low temperature and weak magnetic fields. Thus, the present technique is considered to be more convenient to explain the carbon nanotubes as in the case of other optical transitions.

Keywords

Electron spin resonance; Projection operator technique; Carbon nanotubes; Line-widths;

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Times Cited By KSCI : 1 (Citation Analysis)

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