Tc与YBa2Cu3O7-x中CuO2双层间距的直接关联
超导电性
2009-11-07 v1
摘要
我们报告了在高品质[YBa2Cu3O7-x (YBCO)_N / PrBa2Cu3O7 (PBCO)_5]（厚度为1000 Å）超晶格中，施加等应变和脱氧对其影响。高空间分辨率电子能量损失光谱（EELS）显示，受应变且完全氧化的YBCO层处于欠掺杂状态。无论是通过应变还是脱氧诱导欠掺杂，X射线衍射分析均表明Tc与CuO2双层间距之间存在直接关联。
引用
@article{arxiv.cond-mat/0208584,
title = {Direct Correlation between Tc and CuO2 Bilayer Spacing in YBa2Cu3O7-x},
author = {M. Varela and D Arias and Z. Sefrioui and C. Leon and C. Ballesteros and S. J. Pennycook and J. Santamaria},
journal= {arXiv preprint arXiv:cond-mat/0208584},
year = {2009}
}
备注
13 pages + 4 figures accepted in Phys. Rev. B, scheduled 1 Oct 2002