| Issue |
Europhys. Lett.
Volume 72, Number 5, December 2005
|
|
|---|---|---|
| Page(s) | 795 - 801 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2005-10315-8 | |
| Published online | 03 November 2005 | |
Study on the normal-state transport properties of
films
Hefei National Laboratory for Physical Sciences at Microscale Department of Materials Science and Engineering University of Science and Technology of China, Hefei 230026, PRC
Corresponding author: lixg@ustc.edu.cn
Received:
11
March
2005
Accepted:
7
October
2005
The normal-state transport properties of
films (
, 0.1, 0.12, 0.14,
0.16) have been discussed with a one-dimensional transport model proposed by
Moshchalkov et al. The linear-T dependent resistivity 
in the
high-temperature regime is dominated by the charge diffusion in two
dimensions, while the superlinear behavior of upon cooling
results from one-dimensional charge transport. With further decreasing
temperature, a low-temperature logarithmic behavior is observed from
underdoped to optimally doped samples. The mechanism of the localization is
ascribed to the freezing of charges into the stripes. We emphasize that the
pseudogap can be well understood within the charge stripe scenario.
PACS: 74.25.Fy – Transport properties (electric and thermal conductivity, thermoelectric effects, etc.) / 74.20.Mn – Nonconventional mechanisms (spin fluctuations, polarons and bipolarons, resonating valence bond model, anyon mechanism, marginal Fermi liquid, Luttinger liquid, etc.) / 74.72.Dn – La-based cuprates
© EDP Sciences, 2005
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