Journal
PHYSICAL REVIEW B
Volume 80, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.80.024516
Keywords
bismuth compounds; calcium compounds; doping profiles; high-temperature superconductors; magnetic susceptibility; penetration depth (superconductivity); strontium compounds; superconducting energy gap; yttrium compounds
Funding
- EPSRC (U.K.)
- Royal Society, EURYI [MEXT-CT-2006-039047]
- Development and Promotion of Science and Technology Talents
- Engineering and Physical Sciences Research Council [EP/C511778/1] Funding Source: researchfish
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We report measurements of ac susceptibility and hence the in-plane London penetration depth on the same samples of Bi2.15Sr1.85CaCu2O8+delta and Bi2.1Sr1.9Ca0.85Y0.15Cu2O8+delta for many values of the hole concentration (p). These support the scenario in which the pseudogap weakens the superconducting response only for p less than or similar to 0.19.
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