Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4525
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dc.contributor.authorÖzyüzer, Lütfi-
dc.contributor.authorZasadzinski, John F.-
dc.contributor.authorMiyakawa, Nobuaki-
dc.contributor.authorKendziora, Christopher A.-
dc.contributor.authorSha, J.-
dc.contributor.authorHinks, David G.-
dc.contributor.authorGray, Kenneth E.-
dc.date.accessioned2016-04-20T11:24:28Z
dc.date.available2016-04-20T11:24:28Z
dc.date.issued2000-11
dc.identifier.citationÖzyüzer, L., Zasadzinski, J. F., Miyakawa, N., Kendziora, C. A., Sha, J., Hinks, D. G., and Gray, K. E. (2000). Tunneling spectroscopy of heavily underdoped crystals of Bi2Sr2CaCu2O8-δ. Physica C: Superconductivity and its Applications, 341-348(PART 3), 927-928. doi:10.1016/S0921-4534(00)00739-5en_US
dc.identifier.issn0921-4534
dc.identifier.issn0921-4534-
dc.identifier.urihttp://doi.org/10.1016/S0921-4534(00)00739-5
dc.identifier.urihttp://hdl.handle.net/11147/4525
dc.description.abstractCrystals of Bi2Sr2CaCu2O8+δ with optimal Tc=95 K have been underdoped using two different methods and the superconducting gaps have been obtained by tunneling. In some cases, three different tunneling geometries have been utilized: point contact, STM and break junctions. The first doping method involves control of the oxygen content by annealing in various partial pressures of oxygen. These crystals exhibit a narrow spread of gap values over a wide doping range from overdoped (Tc=56 K) to underdoped with Tc=70 K. However, for underdoped crystals with Tc midpoints in the range 25 K - 63 K, there is a dramatic increase in the spread of gap values which may signal the development of static phase separation of either chemical or electronic origin. To avoid possible chemical phase separation, we have explored another doping procedure which incorporates Dy substitution on the Ca site. These crystals exhibit a relatively narrow superconducting transition width and some preliminary tunneling spectra will be presented.en_US
dc.language.isoenen_US
dc.publisherElsevier Ltd.en_US
dc.relation.ispartofPhysica C: Superconductivity and its Applicationsen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectOxide superconductorsen_US
dc.subjectAnnealingen_US
dc.subjectDoping (additives)en_US
dc.subjectEnergy gapen_US
dc.subjectSuperconducting gapen_US
dc.subjectTunneling spectroscopyen_US
dc.titleTunneling spectroscopy of heavily underdoped crystals of Bi2Sr2CaCu2O8-?en_US
dc.typeArticleen_US
dc.authoridTR5135en_US
dc.contributor.departmentIzmir Institute of Technology. Physicsen_US
dc.identifier.volume341-348en_US
dc.identifier.issuePART 3en_US
dc.identifier.startpage927en_US
dc.identifier.endpage928en_US
dc.identifier.wosWOS:000165855700086
dc.identifier.scopusSCOPUS:2-s2.0-0342527167
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.1016/S0921-4534(00)00739-5-
dc.relation.doi10.1016/S0921-4534(00)00739-5en_US
dc.coverage.doi10.1016/S0921-4534(00)00739-5en_US
item.languageiso639-1en-
item.fulltextWith Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.cerifentitytypePublications-
item.grantfulltextopen-
item.openairetypeArticle-
crisitem.author.deptDepartment of Pyhsics-
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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