Phys. Rev. B 53, 13996–13999 (1996)ESR study of potassium-doped aligned carbon nanotubesReceived 18 September 1995; published in the issue dated 1 June 1996 Opened, potassium-doped, and aligned carbon nanotubes were studied by electron spin resonance (ESR) measurements. Moderate K doping lowers the g factor of the pristine sample to 2.0028, and erases all the angular dependence. The Pauli susceptibility increases a factor of 3 upon doping, but the considerable Curie component shows that the tubes have suffered serious damage during the doping/depletion procedure. The temperature dependence of the ESR linewidth and g factor testifies that the K-doped tubes are still good conductors. © 1996 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevB.53.13996
DOI:
10.1103/PhysRevB.53.13996
PACS:
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