| Issue |
EPL
Volume 81, Number 2, January 2008
|
|
|---|---|---|
| Article Number | 27005 | |
| Number of page(s) | 5 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/81/27005 | |
| Published online | 14 December 2007 | |
Relationship between superfluid density at zero temperature and Tc of Bi2Sr
LaxCuO6+
(0.4 ≤ x ≤ 0.76) and Bi2Sr1.6La0.4Cu
ZnyO6+ (0.0 ≤ y ≤ 0.015)
1
Department of Physics, Pusan National University - Busan 609-735, Korea
2
Department of Physics, West Verginia University - Morgantown, WV 26506-6315, USA
3
Department of Physics, Pukyung National University - Busan 608-737, Korea
Corresponding authors: jhjeong@pknu.ac.kr yckim@pusan.ac.kr
Received:
29
August
2007
Accepted:
19
November
2007
We have studied the relationship between superfluid density at zero temperature, 
, and superconducting transition temperature, Tc, for the underdoped Bi2SrLaxCuO6+ and nearly optimally doped Bi2Sr1.6La0.4CuZnyO6+, using isothermal reversible magnetization. In our study, we found that in Bi2SrLaxCuO6+ and Bi2Sr1.6La0.4CuZnyO6+ is proportional to 
, which is nearly in agreement with the relation suggested from the quantum criticality.
PACS: 74.25.Ha – Magnetic properties / 74.72.Hs – Bi-based cuprates / 74.25.Dw – Superconductivity phase diagrams
© EPLA, 2008
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