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Varelogiannis G, Perali A, Cappelluti E, Pietronero L. Density-of-states-driven anisotropies induced by momentum decoupling in Bi2Sr2CaCu2O8. PHYSICAL REVIEW. B, CONDENSED MATTER 1996; 54:R6877-R6880. [PMID: 9984403 DOI: 10.1103/physrevb.54.r6877] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Kouznetsov K, Coffey L. Theory of tunneling and photoemission spectroscopy for high-temperature superconductors. PHYSICAL REVIEW. B, CONDENSED MATTER 1996; 54:3617-3621. [PMID: 9986268 DOI: 10.1103/physrevb.54.3617] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Yokoya T, Takahashi T, Mochiku T, Kadowaki K. High-resolution angle-resolved photoemission spectroscopy of the momentum dependence of the superconducting gap in Bi2Sr2CaCu2O8. PHYSICAL REVIEW. B, CONDENSED MATTER 1996; 53:14055-14057. [PMID: 9983197 DOI: 10.1103/physrevb.53.14055] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Rendell JM, Carbotte JP. Effects of gap and band anisotropy on spin susceptibility in the oxide superconductors. PHYSICAL REVIEW. B, CONDENSED MATTER 1996; 53:5889-5900. [PMID: 9984198 DOI: 10.1103/physrevb.53.5889] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Kane J, Ng K. Angular dependence of the in-plane energy gap of Bi2Sr2CaCu2O8 by tunneling spectroscopy. PHYSICAL REVIEW. B, CONDENSED MATTER 1996; 53:2819-2826. [PMID: 9983795 DOI: 10.1103/physrevb.53.2819] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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O'Donovan C, Carbotte JP. s- and d-wave mixing in high-Tc superconductors. PHYSICAL REVIEW. B, CONDENSED MATTER 1995; 52:16208-16212. [PMID: 9981006 DOI: 10.1103/physrevb.52.16208] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Marshall DS, Dessau DS, King DM, Park C, Matsuura AY, Shen Z, Spicer WE, Eckstein JN, Bozovic I. Angle-resolved photoemission spectroscopy study of Bi2Sr2CaCu2O8+ delta thin films. PHYSICAL REVIEW. B, CONDENSED MATTER 1995; 52:12548-12551. [PMID: 9980411 DOI: 10.1103/physrevb.52.12548] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Atkinson WA, Carbotte JP. Critical Josephson current in a model Pb/YBa2Cu3O7- delta junction. PHYSICAL REVIEW. B, CONDENSED MATTER 1995; 52:6894-6902. [PMID: 9981919 DOI: 10.1103/physrevb.52.6894] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Bang Y. Impurity effects on the anisotropic s-wave superconductor of the interlayer pair tunneling mechanism. PHYSICAL REVIEW. B, CONDENSED MATTER 1995; 52:1279-1285. [PMID: 9980707 DOI: 10.1103/physrevb.52.1279] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Renner C, Fischer O. Vacuum tunneling spectroscopy and asymmetric density of states of Bi2Sr2CaCu2O8+ delta. PHYSICAL REVIEW. B, CONDENSED MATTER 1995; 51:9208-9218. [PMID: 9977563 DOI: 10.1103/physrevb.51.9208] [Citation(s) in RCA: 110] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Ma J, Quitmann C, Kelley RJ, Berger H, Margaritondo G, Onellion M. Temperature Dependence of the Superconducting Gap Anisotropy in Bi
2
Sr
2
CaCu
2
O
8+x. Science 1995; 267:862-5. [PMID: 17813915 DOI: 10.1126/science.267.5199.862] [Citation(s) in RCA: 107] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Detailed data on the momentum-resolved temperature dependence of the superconducting gap of Bi(2)Sr(2)CaCu(2)O(8+x) are presented, complemented by similar data on the intensity of the photoemission superconducting condensate spectral area. The gap anisotropy between the Gamma-Mand Gamma-X directions increases markedly with increasing temperature, contrary to what happens for conventional anisotropic-gap superconductors, such as lead. Specifically, the size of the superconducting gap along the Gamma-X direction decreases to values indistinguishable from zero at temperatures for which the gap retains virtually full value along the Gamma-M direction. These data rule out the simplest type of d-wave order parameter.
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Yokoya T, Takahashi T, Mochiku T, Kadowaki K. Anisotropy of the electronic structure and superconducting gap in Bi2Sr2CaCu2O8. PHYSICAL REVIEW. B, CONDENSED MATTER 1995; 51:3945-3948. [PMID: 9979222 DOI: 10.1103/physrevb.51.3945] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Varelogiannis G. Quasiparticle spectrum in the high-Tc superconducting state. PHYSICAL REVIEW. B, CONDENSED MATTER 1995; 51:1381-1384. [PMID: 9978311 DOI: 10.1103/physrevb.51.1381] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Quijada MA, Tanner DB, Kelley RJ, Onellion M. a-b plane anisotropy of single-domain crystals of Bi2Sr2CaCu2O8. ACTA ACUST UNITED AC 1994. [DOI: 10.1007/bf01320677] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Phelps RB, Akavoor P, Kesmodel LL, Barr AL, Markert JT, Ma J, Kelley RJ, Onellion M. Absence of an energy gap in measurements of Cu-O superconductors with high-resolution electron-energy-loss spectroscopy. PHYSICAL REVIEW. B, CONDENSED MATTER 1994; 50:6526-6529. [PMID: 9977047 DOI: 10.1103/physrevb.50.6526] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Kelley RJ, Ma J, Quitmann C, Margaritondo G, Onellion M. Superconducting gap and order parameter in Bi2Sr2CaCu2O8+x. PHYSICAL REVIEW. B, CONDENSED MATTER 1994; 50:590-593. [PMID: 9974586 DOI: 10.1103/physrevb.50.590] [Citation(s) in RCA: 19] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Ding H, Campuzano JC, Gofron K, Gu C, Liu R, Veal BW, Jennings G. Gap anisotropy in Bi2Sr2CaCu2O8+ delta by ultrahigh-resolution angle-resolved photoemission. PHYSICAL REVIEW. B, CONDENSED MATTER 1994; 50:1333-1336. [PMID: 9975817 DOI: 10.1103/physrevb.50.1333] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Xiao M, Li Z. Theory of angle-resolved photoemission from high-Tc cuprate oxides. PHYSICAL REVIEW. B, CONDENSED MATTER 1994; 49:13160-13163. [PMID: 10010232 DOI: 10.1103/physrevb.49.13160] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Wolf EL, Chang A, Rong ZY, Ivanchenko YM, Lu F. Direct STM mapping of the superconducting energy gap in single crystal BI2SR2CACU2O8+x. ACTA ACUST UNITED AC 1994. [DOI: 10.1007/bf00724568] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Liu J, Li Y, Lieber CM. Intrinsic features of Bi2Sr2CaCu2O8+ delta tunneling spectra: Scaling and symmetry of the energy gap. PHYSICAL REVIEW. B, CONDENSED MATTER 1994; 49:6234-6238. [PMID: 10011608 DOI: 10.1103/physrevb.49.6234] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Kane J, Chen Q, Ng K, Tao H. Observation of a-b plane gap anisotropy in Bi2Sr2CaCu2O8 with a low temperature scanning tunneling microscope. PHYSICAL REVIEW LETTERS 1994; 72:128-131. [PMID: 10055583 DOI: 10.1103/physrevlett.72.128] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Kelley RJ, Ma J, Margaritondo G, Onellion M. Symmetry of the superconducting order parameter in Bi2Sr2CaCu2Ox. PHYSICAL REVIEW LETTERS 1993; 71:4051-4054. [PMID: 10055141 DOI: 10.1103/physrevlett.71.4051] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Coffey L, Coffey D. Quasiparticle spectral weight of cuprate oxide superconductors. PHYSICAL REVIEW. B, CONDENSED MATTER 1993; 48:4184-4187. [PMID: 10008881 DOI: 10.1103/physrevb.48.4184] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Kelley RJ, Ma J, Onellion M, Marsi M, Alméras P, Berger H, Margaritondo G. Photoemission response of Bi2Sr2CaCu2Ox: The normal-state anisotropy is intrinsic. PHYSICAL REVIEW. B, CONDENSED MATTER 1993; 48:3534-3535. [PMID: 10008789 DOI: 10.1103/physrevb.48.3534] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Mandrus D, Martin MC, Kendziora C, Koller D, Forro L, Mihaly L. No far-infrared-spectroscopic gap in clean and dirty high-Tc superconductors. PHYSICAL REVIEW LETTERS 1993; 70:2629-2632. [PMID: 10053611 DOI: 10.1103/physrevlett.70.2629] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Nicol EJ, Carbotte JP. Phonon-self-energy effects due to an electronic mechanism in high-Tc superconductors. PHYSICAL REVIEW. B, CONDENSED MATTER 1993; 47:8205-8211. [PMID: 10004833 DOI: 10.1103/physrevb.47.8205] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Coffey D, Coffey L. Quasiparticle decay effects in the superconducting density of states: Evidence for d-wave pairing in the cuprates. PHYSICAL REVIEW LETTERS 1993; 70:1529-1532. [PMID: 10053315 DOI: 10.1103/physrevlett.70.1529] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Schroeder N, Böttner R, Ratz S, Dietz E, Gerhardt U, Wolf T. Angle-resolved photoelectron spectra of YBa2Cu3O7- delta and their line-shape analysis. PHYSICAL REVIEW. B, CONDENSED MATTER 1993; 47:5287-5299. [PMID: 10006695 DOI: 10.1103/physrevb.47.5287] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Zhang Z, Lieber CM. Measurement of the energy gap in oxygen-annealed Bi2Sr2CaCu2O8+ delta high-Tc superconductors by tunneling spectroscopy. PHYSICAL REVIEW. B, CONDENSED MATTER 1993; 47:3423-3426. [PMID: 10006433 DOI: 10.1103/physrevb.47.3423] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Wermbter S, Tewordt L. Photoemission intensity and density of states in the superconducting state of Bi2Sr2CaCu2O8. PHYSICAL REVIEW. B, CONDENSED MATTER 1992; 46:12061-12063. [PMID: 10003114 DOI: 10.1103/physrevb.46.12061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Wells BO, Shen ZX, Dessau DS, Spicer WE, Mitzi DB, Lombardo L, Kapitulnik A, Arko AJ. Evidence for k-dependent, in-plane anisotropy of the superconducting gap in Bi2Sr2CaCu2O8+ delta. PHYSICAL REVIEW. B, CONDENSED MATTER 1992; 46:11830-11834. [PMID: 10003078 DOI: 10.1103/physrevb.46.11830] [Citation(s) in RCA: 52] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Ortega J, García-Vidal FJ, Pérez R, Rincón R, Flores F, Coluzza C, Gozzo F, Margaritondo G, Hwu Y, Lozzi L. Early stages of Schottky-barrier formation for Al deposited on GaAs(110). PHYSICAL REVIEW. B, CONDENSED MATTER 1992; 46:10277-10283. [PMID: 10002872 DOI: 10.1103/physrevb.46.10277] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Swihart JC, Butler WH, Mueller FM, Arnold GB. Boson linewidth in high-temperature superconductors. PHYSICAL REVIEW. B, CONDENSED MATTER 1992; 46:5861-5863. [PMID: 10004400 DOI: 10.1103/physrevb.46.5861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Chang A, Rong ZY, Ivanchenko YM, Lu F, Wolf EL. Observation of large tunneling-conductance variations in direct mapping of the energy gap of single-crystal Bi2Sr2CaCu2O8-x. PHYSICAL REVIEW. B, CONDENSED MATTER 1992; 46:5692-5698. [PMID: 10004356 DOI: 10.1103/physrevb.46.5692] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Littlewood PB, Varma CM. Phenomenology of the superconductive state of a marginal Fermi liquid. PHYSICAL REVIEW. B, CONDENSED MATTER 1992; 46:405-420. [PMID: 10002225 DOI: 10.1103/physrevb.46.405] [Citation(s) in RCA: 58] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Li Y, Huang JL, Lieber CM. Temperaure dependence of the energy gap in Bi2Sr2CaCu2O8 superconductors by high-resolution electron-energy-loss spectroscopy. PHYSICAL REVIEW LETTERS 1992; 68:3240-3243. [PMID: 10045649 DOI: 10.1103/physrevlett.68.3240] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Tjeng LH, Chen CT, Cheong SW. Comparative soft-x-ray resonant-photoemission study on Bi2Sr2CaCu2O8, CuO, and Cu2O. PHYSICAL REVIEW. B, CONDENSED MATTER 1992; 45:8205-8208. [PMID: 10000650 DOI: 10.1103/physrevb.45.8205] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Romero DB, Porter CD, Tanner DB, Forro L, Mandrus D, Mihaly L, Carr GL, Williams GP. Quasiparticle damping in Bi2Sr2CaCu2O8 and Bi2Sr2CuO6. PHYSICAL REVIEW LETTERS 1992; 68:1590-1593. [PMID: 10045170 DOI: 10.1103/physrevlett.68.1590] [Citation(s) in RCA: 36] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Dessau DS, Shen Z, Wells BO, King DM, Spicer WE, Arko AJ, Lombardo LW, Mitzi DB, Kapitulnik A. Nature of the high-binding-energy dip in the low-temperature photoemission spectra of Bi2Sr2CaCu2O8+ delta. PHYSICAL REVIEW. B, CONDENSED MATTER 1992; 45:5095-5098. [PMID: 10002168 DOI: 10.1103/physrevb.45.5095] [Citation(s) in RCA: 23] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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