科研之友
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摘要
We report electronic Raman scattering measurements on out-of-plane disordered Bi2+xSr2-xCaCu2O8+delta. With increasing out-of-plane disorder, the critical temperature T-c is significantly suppressed, but suppression of the superconducting gap energy is observed only in the nodal region. Our experimental finding advocate the two-gap scenario that the origins of the nodal and the antinodal gap are different.
- 出版日期2012-12
