| Issue |
EPL
Volume 80, Number 1, October 2007
|
|
|---|---|---|
| Article Number | 17001 | |
| Number of page(s) | 5 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/80/17001 | |
| Published online | 03 September 2007 | |
Role of the cooling rate in the stability of the superconducting phase of (TMTSF)2ClO4
Laboratoire de Physique de la Matière Condensée, Département de Physique, Faculté des Sciences de Tunis Campus universitaire 1060 Tunis, Tunisia
Received:
1
June
2007
Accepted:
6
August
2007
The non-centrosymmetric ClO4 anions of the organic superconductor (TMTSF)2ClO4 order below 24 K. The size of domains where the anions are ordered is substantially dependent on the cooling rate which is a key parameter for the stability of the low-temperature electronic ground states. We study the effect of the cooling rate on the SC phase within a self-consistent approach in the framework of the time-dependent Ginzburg-Landau theory taking into account the superconducting fluctuations. We derive the superconducting transition temperature which is found to decrease with increasing cooling rate in agreement with recent experimental data.
PACS: 74.70.Kn – Organic superconductors / 74.20.De – Phenomenological theories (two-fluid, Ginzburg-Landau, etc.) / 74.40.+k – Fluctuations (noise, chaos, nonequilibrium superconductivity, localization, etc.)
© Europhysics Letters Association, 2007
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