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Phys. Rev. Lett. 96, 076601 (2006) [4 pages]

Electron Transport in a Multichannel One-Dimensional Conductor: Molybdenum Selenide Nanowires

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Latha Venkataraman, Yeon Suk Hong, and Philip Kim
Department of Physics, Columbia University, New York, New York 10027, USA

Received 15 July 2005; published 21 February 2006

We have measured electron transport in small bundles of identical conducting molybdenum selenide nanowires where the number of weakly interacting one-dimensional chains ranges from 1 to 300. The linear conductance and current in these nanowires exhibit a power-law dependence on temperature and bias voltage, respectively. The exponents governing these power laws decrease as the number of conducting channels increase. These exponents can be related to the electron-electron interaction parameter for transport in multichannel 1D systems with a few defects.

© 2006 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.96.076601
DOI:
10.1103/PhysRevLett.96.076601
PACS:
72.15.Nj, 73.23.Hk, 73.90.+f