ISSN:
1572-9605
Keywords:
Gaplessness
;
magnetic impurities
;
penetration depth
;
Hc2
Source:
Springer Online Journal Archives 1860-2000
Topics:
Electrical Engineering, Measurement and Control Technology
,
Physics
Notes:
Abstract The energy gap structure of the cuprates depends strongly on levels of doping. The stoichiometric compoundYBa 2 Cu 3 O 7 displays a peculiar two-gap structure. Oxygen depletion is accompanied by the transition to the gapless state, and this is manifested in various transport, electromagnetic, etc. properties of the material. The temperature dependence of the penetration depth correlates with oxygen content and is characterized by various power laws in an oxygen depleted sample. In other cuprates, overdoping leads to gaplessness and a peculiar dependence of Hc2.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00722825
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