摘要
The anion doping effect on the superconducting transition temperature (Tc) of HgBa2CuO4+δ has been determined with a wide Tc variation. We found a parabolic variation of Tc with δ over the entire range of superconductivity. Remarkably, the dependence of Tc on p (the number of holes per CuO2) has richer features: for δ≤0.28, Tc is parabolic in p, but with an unusual prefactor and p=0.72δ, giving significantly less than two holes per oxygen; and for δ>0.28, a drastic departure from the parabolic Tc(p) occurs. Implications for the occurrence of superconductivity in this material are discussed.
原文 | English |
---|---|
頁(從 - 到) | 10346-10349 |
頁數 | 4 |
期刊 | Physical Review B |
卷 | 50 |
發行號 | 14 |
DOIs | |
出版狀態 | Published - 1994 |
All Science Journal Classification (ASJC) codes
- 凝聚態物理學