Observation of a Logarithmic Temperature Dependence of Thermoelectric Power on Multiwall Carbon Nanotubes
N. Kang, L. Lu, W. J. Kong, J. S. Hu, W. Yi, Y. P. Wang, D. L. Zhang, Z. W. Pan, S. S. Xie
Abstract
We have investigated the thermoelectric power (TEP) of millimeter-long aligned multiwall carbon nanotubes down to a temperature of T=1.5 K, and observed for the first time an accurate T ln T dependence at low temperatures. This behavior is possibly originated from the repulsive interaction between the electrons in a disordered local environment.
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