Evidence for superconductivity in the Bi-O layers and not in the cuprate planes of Bi2Sr2CaCu2O8

Superlattices and Microstructures

Volumn 19, Issue 4, 1996, Pages 301-303

  Blackstead, Howard A ^a   Dow, John D ^b  

^a UNIVERSITY OF NOTRE DAME   (United States)

^b ARIZONA STATE UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BISMUTH COMPOUNDS; COPPER OXIDES; CRITICAL CURRENT DENSITY (SUPERCONDUCTIVITY); INSULATING MATERIALS; JOSEPHSON JUNCTION DEVICES; SUPERCONDUCTIVITY;

OXYGEN STOICHIOMETRY; PROXIMITY EFFECT;

OXIDE SUPERCONDUCTORS;

EID: 0029703855     PISSN: 07496036     EISSN: None     Source Type: Journal    
DOI: 10.1006/spmi.1996.0033     Document Type: Article

References (15)

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2. E. L. Wolf, A. Chang, Z. Y. Rong, Yu. M. Ivanchenko and F. Lu, J. Superconduct. 7, 355 (1994); A. Chang, Z. Y. Rong, Yu. M. Ivanchenko, F. Lu and E. L. Wolf, Phys. Rev. B 46, 5692 (1992). Dessau et al. independently determined that the Bi-O layers supreconduct, based on photoemission from BSCCO with Au overlayers: D. S. Dessau, B. O. Wells, Z.-X. Shen, W. E. Spicer, A. J. Arko, R. S. List, D. B. Mitzi and A. Kapitulnik, Phys. Rev. Lett. 66, 2160 (1991); D. S. Dessau, Z.-X. Shen, B. O. Wells, W. E. Spicer, R. S. List, A. K. Arko, R. J. Bartlett, Z. Fisk, S.-W. Cheong, D. B. Mitzi, A. Kapitulnik and J. E. Schirber, Appl. Phys. Lett. 57, 307 (1990).
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4. E. L. Wolf, A. Chang, Z. Y. Rong, Yu. M. Ivanchenko and F. Lu, J. Superconduct. 7, 355 (1994); A. Chang, Z. Y. Rong, Yu. M. Ivanchenko, F. Lu and E. L. Wolf, Phys. Rev. B 46, 5692 (1992). Dessau et al. independently determined that the Bi-O layers supreconduct, based on photoemission from BSCCO with Au overlayers: D. S. Dessau, B. O. Wells, Z.-X. Shen, W. E. Spicer, A. J. Arko, R. S. List, D. B. Mitzi and A. Kapitulnik, Phys. Rev. Lett. 66, 2160 (1991); D. S. Dessau, Z.-X. Shen, B. O. Wells, W. E. Spicer, R. S. List, A. K. Arko, R. J. Bartlett, Z. Fisk, S.-W. Cheong, D. B. Mitzi, A. Kapitulnik and J. E. Schirber, Appl. Phys. Lett. 57, 307 (1990).
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7. H. A. Blackstead and J. D. Dow, Pis'ma Zh. Eksperim. Teor. Fiz. 59, 262 (1994) [Engl. transl.: JETP Lett. 59, 283 (1994)]; in Proceedings of the Second International Symposium on Quantum Confinement Physics and Applications, edited by M. Cahay, S. Bandyopadhyay, J. P. Leburton, A. W. Kleinsasser and M. A. Osman, Proceedings Volume 94-17, (The Electrochemical Society, Pennington, NJ, 1994), p. 408 et seq., and p. 419 et seq.; and Philos. Mag. 73, 223 (1996).
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10. The only other way to partially escape this dilemma (that we can see) is to propose that the BSCCO samples studied by the two sets of authors are fundamentally different in some way, such as oxygen composition. This, however, would still leave the Zn and Ni doping studies unexplained.
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12. In a model with spin-fluctuation pairing, magnetic Ni might be a weaker scatterer than non-magnetic Zn, but the otherwise-similar magnetic and non-magnetic impurities on the same sites would still scatter differently.
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15. c to zero.