Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4629
Title: Aspects of the tunneling dip feature in Bi2Sr2CaCu2O8+? and its relation to the resonance spin excitation
Authors: Zasadzinski, John F.
Özyüzer, Lütfi
Miyakawa, Nobuaki
Gray, Kenneth E.
Hinks, David G.
Kendziora, Christopher A.
Özyüzer, Lütfi
Izmir Institute of Technology. Physics
Keywords: Superconductors
Superconducting materials
Resonance spin excitation
Bismuth compounds
Electric conductance
Electron tunneling
Issue Date: Dec-2002
Publisher: Elsevier Ltd.
Source: Zasadzinski, J. F., Özyüzer, L., Miyakawa, N., Gray, K. E., Hinks, D. G., and Kendziora, C. A. (2002). Aspects of the tunneling dip feature in Bi2Sr2CaCu2O8+δ and its relation to the resonance spin excitation. Journal of Physics and Chemistry of Solids, 63(12), 2247-2251. doi:10.1016/S0022-3697(02)00246-9
Abstract: Break-junction tunneling data are reported in Bi2Sr2CaCu2O8+δ over a wide range of hole concentration from underdoped to overdoped. The strong conductance peaks in the superconducting state reveal a single gap consistent with d-wave symmetry. In addition, sharp dips are observed at a voltage, Ω/□, measured with respect to the gap edge. These features are shown to be reproduced in other junction types from the literature including atomically resolved STM and □-axis mesas, establishing their intrinsic character. Trends are observed with doping and temperature which link the dip to the resonance spin excitation and indicate that the quasiparticles are strongly coupled to this mode.
Description: Proceedings of the Conference on Spectroscopies in Novel Superconductors
URI: http://doi.org/10.1016/S0022-3697(02)00246-9
http://hdl.handle.net/11147/4629
ISSN: 0022-3697
0022-3697
Appears in Collections:Physics / Fizik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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