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Phys. Rev. B 71, 134409 (2005) [4 pages]

Finite-size effects on transverse magnetoresistance of NbSe3

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Yamaguchi Takahide, Shinya Uji, Kengo Enomoto, Takako Konoike, Taichi Terashima, and Mitsuka Nishimura
National Institute for Materials Science, Tsukuba 305-0003, Japan

Taku Tsuneta, Katsuhiko Inagaki, Satoshi Tanda, and Kazuhiko Yamaya
Graduate School of Engineering, Hokkaido University, Sapporo 060-8628, Japan

Received 17 November 2004; published 12 April 2005

A charge-density-wave material NbSe3 with thickness less than 1 μm shows a distinct peak in the low temperature transverse magnetoresistance when the magnetic field is applied along the c axis. The resistance peak is less pronounced as the field is tilted away from the c axis to the a* axis. The peak height also decreases as the temperature increases, although the magnetic field at the peak shows no appreciable dependence on temperature. The resistance peak is attributed to surface diffuse scattering of normal carriers which remain even below the lower charge-density-wave transition temperature.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.71.134409
DOI:
10.1103/PhysRevB.71.134409
PACS:
75.70.−i, 72.15.Nj, 73.23.−b, 71.45.Lr