Multigap Superconductivity in Doped p-Type Cupratesстатья
Информация о цитировании статьи получена из
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Дата последнего поиска статьи во внешних источниках: 19 декабря 2014 г.
Аннотация:Andreev and tunneling spectroscopy studies of Bi2Sr2Can – 1CunO2n + 4 + δ, HgBa2Can – 1CunO2n + 2 + δ and
Tl2Ba2Can – 1Cu2n + 4 + δ have shown that superconductivity in singlelayer (n = 1) and twolayer (n = 2)
phases has a single-gap character. Qualitatively different results were obtained for three-layer phases. In
doped p-type Hg-1223, Bi-2223, and Tl-2223 samples two (or three) superconducting gaps were observed.
The existence of multigap superconductivity in superconducting cuprates with n ≥ 3 is explained by a difference in doping levels of outer (OP) and internal (IP) CuO2 planes.