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Large energy gaps in Ca C6 from tunneling spectroscopy: Possible evidence of strong-coupling superconductivity 

Kurter, Cihan; Özyüzer, Lütfi; Mazur, Daniel; Zasadzinski, John F.; Rosenmann, Daniel; Claus, Helmut; Hinks, David G.; Gray, Kenneth E. (American Physical Society, 2007-12)
Tunneling in Ca C6 crystals reproducibly reveals superconducting gaps Δ of 2.3±0.2 meV that are ∼40% larger than reported earlier. In an isotropic s -wave scenario, that puts Ca C6 into the class of very strongly coupled ...
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Absence of pseudogap in heavily overdoped Bi2Sr2CaCu2O8+δ from tunneling spectroscopy of break junctions 

Özyüzer, Lütfi; Zasadzinski, John F.; Gray, Kenneth E.; Kendziora, Christopher A.; Miyakawa, Nobuaki (Institute of Physics Publishing, 2002-05)
We report tunneling spectroscopy of superconductor-insulator-superconductor break junctions on heavily overdoped Bi2Sr2CaCu2O8+δ with Tc = 56 K. At T ≪ Tc, the junction conductances display well-defined quasiparticle peaks ...
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Tunneling spectroscopy of Tl2Ba2CuO6 

Özyüzer, Lütfi; Yusof, Zikri; Zasadzinski, John F.; Li, Ting-Wei; Hinks, David G.; Gray, Kenneth E. (Elsevier, 1999-07)
New results from tunneling spectroscopies on near optimally doped single crystals of Tl2Ba2CuO6 (Tl-2201) junctions are presented. The superconductor-insulator-normal metal (SIN) tunnel junctions are obtained using the ...
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Superconducting gap and pseudogap from tunneling conductance on Bi2Sr2CaCu2Og+δ with various oxygen concentration 

Miyakawa, Nobuaki; Zasadzinski, John F.; Özyüzer, Lütfi; Guptasarma, Prasenjit; Kendziora, Christopher A.; Hinks, David G.; Kaneko, Tsutomu; Gray, Kenneth E. (Elsevier, 2000-11)
The evolution of tunneling spectra on Bi2Sr2CaCu2Og+δ measured by SIN point contacts, SIS break junctions and STM/STS has been studied as a function of doping and temperature. The detailed examinations of the spectra show ...
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High energy secondary peak structure in tunneling spectra (hump) as possible magnetic pseudogap 

Zasadzinski, John F.; Özyüzer, Lütfi; Miyakawa, Nobuaki; Hinks, David G.; Gray, Kenneth E. (Elsevier, 2000-11)
It is demonstrated that tunneling spectra in various high Tc cuprates display generic features. The principal conductance peaks in superconductor-insulator-normal metal (SIN) junctions indicate the superconducting gap in ...
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Tunneling spectroscopy of heavily underdoped crystals of Bi2Sr2CaCu2O8-δ 

Özyüzer, Lütfi; Zasadzinski, John F.; Miyakawa, Nobuaki; Kendziora, Christopher A.; Sha, J.; Hinks, David G.; Gray, Kenneth E. (Elsevier, 2000-11)
Crystals 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 ...
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Improvement of optical and electrical properties of ITO thin films by electro-annealing 

Köseoğlu, Hasan; Türkoğlu, Fulya; Kurt, Metin; Yaman, Mutlu Devran; Akça, Fatime Gülşah; Aygün, Gülnur; Özyüzer, Lütfi (Elsevier, 2015-10)
The effect of electro-annealing in vacuum and air on the optical and electrical properties of ITO thin films grown by large area DC magnetron sputtering was investigated. Moreover, the performances of the electro-annealed ...
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Growth of Cu2ZnSnS4 absorber layer on flexible metallic substrates for thin film solar cell applications 

Yazıcı, Şebnem; Olgar, Mehmet Ali; Akça, Fatime Gülşah; Cantaş, Ayten; Kurt, Metin; Aygün, Gülnur; Tarhan, Enver; Yanmaz, Ekrem; Özyüzer, Lütfi (Elsevier, 2015-08)
In this work, Cu2ZnSnS4 (CZTS) absorber layers were fabricated using a two-stage process. Sequentially deposited Cu-Zn-Sn thin film layers on metallic foils were annealed in an Ar + S2(g) atmosphere. We aimed to investigate ...





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Özyüzer, Lütfi (8)
Gray, Kenneth E. (6)Zasadzinski, John F. (6)Hinks, David G. (5)Miyakawa, Nobuaki (4)Kendziora, Christopher A. (3)Akça, Fatime Gülşah (2)Aygün, Gülnur (2)Kurt, Metin (2)Cantaş, Ayten (1)... View MoreSubject
Energy gap (8)
Superconducting gap (4)Tunneling spectroscopy (4)Annealing (2)Oxide superconductors (2)Thin films (2)Tunneling (Physics) (2)Angle integrated photoemission (1)CZTS (1)Doping (additives) (1)... View MoreDate Issued2010 - 2015 (2)2000 - 2009 (5)1999 - 1999 (1)





DSpace@IZTECH is member of:

IZTECH Library, Gülbahçe Kampüsü - 35430 - Urla, İzmir / TURKEY
If you find any errors in content, please contact openaccess@iyte.edu.tr or library@iyte.edu.tr.

Creative Commons Lisansı
DSpace@IZTECH by IYTE Institutional repository is licensed under a Creative Commons Attribution-Gayriticari-NoDerivs 3.0 Unported License.


DSpace software copyright © 2002-2015  DuraSpace
Contact Us | Send Feedback
Theme by 
@mire NV