期刊
JOURNAL OF PHYSICS-CONDENSED MATTER
卷 17, 期 12, 页码 1923-1928出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/17/12/015
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We have investigated the thermoelectric power (TEP) and the electrical conductance of single-walled carbon nanotube (SWNT) strands containing large numbers of aligned crystalline ropes. A linear temperature dependence of TEP and a power-law behaviour of conductance were observed at low temperatures. The TEP increases with temperature at a very large slope of similar to 1 mu V K-2 below similar to 50K, peaks around 100-150 K depending on the treatment of high temperature annealing, then decreases with the further increase of temperature. The large slope at low temperatures is interpreted as a property of the Luttinger liquid in the presence of defects.
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