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https://hdl.handle.net/11147/7137
Title: | Correlation of Tunneling Spectra in Bi2sr2cacu2o8+? With the Resonance Spin Excitation | Authors: | Zasadzinski, John F. Özyüzer, Lütfi Miyakawa, Nobuaki Gray, Kenneth E. Hinks, David G. Kendziora, Christopher A. |
Keywords: | Scanning tunneling spectroscopy Resonance spin excitation Phonon mechanism |
Publisher: | American Physical Society | Source: | Zasadzinski, J. F., Özyüzer, L., Miyakawa, N., Gray, K. E., Hinks, D. G., and Kendziora, C. A. (2001). Correlation of tunneling spectra in Bi2Sr2CaCu2O8+δ with the resonance spin excitation. Physical Review Letters, 87(6), 67005-1-670054. doi:10.1103/PhysRevLett.87.067005 | Abstract: | New break-junction tunneling data are reported in Bi2Sr2CaCu2O8+δ over a wide range of hole concentration from underdoped (Tc=74k) to optimal doped (Tc=95k) to overdoped (Tc=48k). The conductances exhibit sharp dips at a voltage, Ω/e, measured with respect to the superconducting gap. Clear trends are found such that the dip strength is maximum at optimal doping and that Ω scales as 4.9kTc over the entire doping range. These features link the dip to the resonance spin excitation and suggest quasiparticle interactions with this mode are important for superconductivity. | URI: | https://doi.org/10.1103/PhysRevLett.87.067005 http://hdl.handle.net/11147/7137 |
ISSN: | 0031-9007 1079-7114 |
Appears in Collections: | Physics / Fizik PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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