Abstract
In this paper, we report direct evidence of a structural transition in the organic superconductor (Formula presented) near 80 K and the effect of disorder on the superconducting transition temperature. By cooling the sample from above 80 K, the interlayer magnetoresistance displays a bumplike feature, which increases sharply with increasing cooling rate. The rapidly cooled sample has a much larger resistivity and a lower transition temperature, which decreases linearly with increasing resistivity near the transition temperature. We propose that rapid cooling quenches the sample into a disordered state. Localized moments in the disordered state reduce the superconducting transition temperature.
| Original language | English (US) |
|---|---|
| Pages (from-to) | R14056-R14059 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 57 |
| Issue number | 22 |
| DOIs | |
| State | Published - Jan 1 1998 |
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
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Su, X., Zuo, F., Schlueter, J., Kelly, M., & Williams, J. M. (1998). Structural disorder and its effect on the superconducting transition temperature in the organic superconductor. Physical Review B - Condensed Matter and Materials Physics, 57(22), R14056-R14059. https://doi.org/10.1103/PhysRevB.57.R14056