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ANSTO Publications Online >
Journal Publications >
Journal Articles >
Please use this identifier to cite or link to this item:
http://apo.ansto.gov.au/dspace/handle/10238/7377
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| Title: | Superconductivity on a crossover phenomenon of spin–ladder system SrCa13Cu24O41 single crystals |
| Authors: | Hisada, A Matsubayashi, K Uwatoko, Y Fujiwara, N Deng, G Pomjakushina, E Conder, C Radheep, DM Thiyagarajan, R Esakkimuthu, S Arumugam, S |
| Keywords: | ELECTRIC CONDUCTIVITY DATA MONOCRYSTALS TEMPERATURE ZERO K SUPERCONDUCTIVITY SPIN |
| Issue Date: | 1-Jan-2014 |
| Citation: | Hisada, A., Matsubayashi, K., Uwatoko, Y., Fujiwara, N., Deng, G., Pomjakushina, E. . . . Arumugam, S. (2014). Superconductivity on a Crossover Phenomenon of Spin–Ladder System SrCa13Cu24O41 Single Crystals. Journal of the Physical Society of Japan, 83(7), 073703. doi: http://dx.doi.org/10.7566/jpsj.83.073703 |
| Abstract: | Electrical resistivity and alternating current susceptibility measurements were performed for the spin–ladder compound SrCa13Cu24O41 under hydrostatic pressure up to 8 GPa. The superconducting transition was observed below TC = 14.7 K at pressures above 2 GPa. By using high-quality single crystals, the bulk superconductivity with a volume fraction of 50% and temperature quadratic behavior of the normal state resistivity were observed above 3.7 GPa. They suggest that a strong interladder interaction induces the bulk superconductivity and transforms the system into a Fermi-liquid-like state. The optimal pressure was in a crossover region and the highest TC was observed without going through the bulk superconducting state. Our results suggest that the superconducting state on the crossover phenomenon presents the feature of the doped two-leg spin–ladder system because the spin gap was observed in this compound. © 2014, The Physical Society of Japan. |
| URI: | http://dx.doi.org/10.7566/jpsj.83.073703 http://apo.ansto.gov.au/dspace/handle/10238/7377 |
| ISSN: | 1347-4073 |
| Appears in Collections: | Journal Articles |
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