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Evidence for two-gap superconductivity in Ba0.55K0.45Fe2As2 from directional point-contact Andreev-reflection spectroscopy
Title Evidence for two-gap superconductivity in Ba0.55K0.45Fe2As2 from directional point-contact Andreev-reflection spectroscopy Author Szabó Pavol 1968- SAVEXFYZ - Ústav experimentálnej fyziky SAV ORCID Co-authors Vargaeštoková Zuzana 1978- SAVEXFYZ - Ústav experimentálnej fyziky SAV RID ORCID Pristáš Gabriel 1981- SAVEXFYZ - Ústav experimentálnej fyziky SAV SCOPUS ORCID Buďko S.L. Canfield P.C. Samuely Peter 1956- SAVEXFYZ - Ústav experimentálnej fyziky SAV SCOPUS RID ORCID Source document Physical Review B. Vol. 79, no. 1 (2009), art. no. 012503 Language eng - English Note Virtual Journal of Applications of Superconductivity, vol. 16, no. 3 (2009) Document kind rozpis článkov z periodík (rbx) Citations BHOI, D. - CHANDRA, L.S.S. - CHOUDHURY, P. - GANESAN, V. - MANDAL, P. The magnetoresistance of a PrFeAsO1-xFy superconductor. In SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2009, vol. 22, art. no. 095015. DAGHERO, D. - TORTELLO, M. - GONNELLI, R.S. - STEPANOV, V.A. - ZHIGADLO, N.D. - KARPINSKI, J. Evidence for two-gap nodeless superconductivity in SmFeAsO1-xFx from point-contact Andreev-reflection spectroscopy. In PHYSICAL REVIEW B, 2009, vol. 80, art. no. 060502. GOLUBOV, A.A. - BRINKMAN, A. - TANAKA, Y. - MAZIN, I.I. - DOLGOV, O.V. Andreev Spectra and Subgap Bound States in Multiband Superconductors. In PHYSICAL REVIEW LETTERS, 2009, vol. 103, art. no. 077003. MATHIEU, J.L. - LATTURNER, S.E. Zintl phase as dopant source in the flux synthesis of Ba1-xKxFe2As2 type superconductors. In CHEMICAL COMMUNICATIONS, 2009, no. 33, p. 4965-4967. LINDER, J. - SPERSTAD, I.B. - SUDBO, A. 0-pi phase shifts in Josephson junctions as a signature for the s(+/-)-wave pairing state. In PHYSICAL REVIEW B, 2009, vol. 80, art. no. 020503. PONOMAREV, Y.G. - KUZMICHEV, S.A. - MIKHEEV, M.G. - SUDAKOVA, M.V. - TCHESNOKOV, S.N. - VOLKOVA, O.S. - VASILIEV, A.N. - HANKE, T. - HESS, C. - BEHR, G. - KLINGELER, R. - BUCHNER, B. Andreev spectroscopy of LaFeAsO0.9F0.1. In PHYSICAL REVIEW B, 2009, vol. 79, art. no. 224517. GONNELLI, R.S. - DAGHERO, D. - TORTELLO, M. - UMMARINO, G.A. - STEPANOV, V.A. - KREMER, R.K. - KIM, J.S. - ZHIGADLO, N.D. - KARPINSKI, J. Point-contact Andreev-reflection spectroscopy in ReFeAsO1-xFx (Re = La, Sm): Possible evidence for two nodeless gaps. In PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2009, vol. 469, no. 9-12, p. 512-520. SHIBAUCHI, T. - HASHIMOTO, K. - OKAZAKI, R. - MATSUDA, Y. Penetration depth, lower critical fields, and quasiparticle conductivity in Fe-arsenide superconductors. In PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2009, vol. 469, no. 9-12, p. 590-598. DAGHERO, D. - TORTELLO, M. - GONNELLI, R.S. - STEPANOV, V.A. - ZHIGADLO, N.D. - KARPINSKI, J. Possible Multigap Superconductivity in SmFeAsO0.8F0.2: A Point-contact Andreev-reflection Spectroscopy Study. In JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 2009, vol. 22, no. 6, p. 543-547. TORTELLO, M. - DAGHERO, D. - UMMARINO, G.A. - GONNELLI, R.S. - STEPANOV, V.A. - KIM, J.S. Point-Contact Andreev-Reflection Spectroscopy in the Fe-based Superconductor LaFeAsO1-x F (x). In JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 2009, vol. 22, no. 6, p. 553-557. WANG, D. - WAN, Y. - WANG, Q.H. Model for Determining the Pairing Symmetry and Relative Sign of the Energy Gap of Iron-Arsenide Superconductors using Tunneling Spectroscopy. In PHYSICAL REVIEW LETTERS, 2009, vol. 102, art. no. 197004. GONNELLI, R.S. - DAGHERO, D. - TORTELLO, M. - UMMARINO, G.A. - STEPANOV, V.A. - KIM, J.S. - KREMER, R.K. Coexistence of two order parameters and a pseudogaplike feature in the iron-based superconductor LaFeAsO1-xFx. In PHYSICAL REVIEW B, 2009, vol. 79, art. no. 184526. EVTUSHINSKY, D.V. - INOSOV, D.S. - ZABOLOTNYY, V.B. - VIAZOVSKA, M.S. - KHASANOV, R. - AMATO, A. - KLAUSS, H.H. - LUETKENS, H. - NIEDERMAYER, C. - SUN, G.L. - HINKOV, V. - LIN, C.T. - VARYKHALOV, A. - KOITZSCH, A. - KNUPFER, M. - BUCHNER, B. - KORDYUK, A.A. - BORISENKO, S.V. Momentum-resolved superconducting gap in the bulk of Ba1-xKxFe2As2 from combined ARPES and mu SR measurements. In NEW JOURNAL OF PHYSICS, 2009, vol. 11, art. no. 0550069. KHASANOV, R. - EVTUSHINSKY, D.V. - AMATO, A. - KLAUSS, H.H. - LUETKENS, H. - NIEDERMAYER, C. - BUCHNER, B. - SUN, G.L. - LIN, C.T. - PARK, J.T. - INOSOV, D.S. - HINKOV, V. Two-Gap Superconductivity in Ba1-xKxFe2As2: A Complementary Study of the Magnetic Penetration Depth by Muon-Spin Rotation and Angle-Resolved Photoemission. In PHYSICAL REVIEW LETTERS, 2009, vol. 102, art. no. 187005. OKAZAKI, R. - KONCZYKOWSKI, M. - VAN DER BEEK, C.J. - KATO, T. - HASHIMOTO, K. - SHIMOZAWA, M. - SHISHIDO, H. - YAMASHITA, M. - ISHIKADO, M. - KITO, H. - IYO, A. - EISAKI, H. - SHAMOTO, S. - SHIBAUCHI, T. - MATSUDA, Y. Lower critical fields of superconducting PrFeAsO1-y single crystals. In PHYSICAL REVIEW B, 2009, vol. 79, art. no. 064520. YATES, K.A. - MORRISON, K. - RODGERS, J.A. - PENNY, G.B.S. - BOS, J.W.G. - ATTFIELD, J.P. - COHEN, L.F. Investigation of superconducting gap structure in TbFeAsO0.9F0.1 using point contact Andreev reflection. In NEW JOURNAL OF PHYSICS, 2009, vol. 11, art. no. 025015. WU, D. - BARISIC, N. - DRESSEL, M. - CAO, G.H. - XU, Z.A. - CARBOTTE, J.P. - SCHACHINGER, E. Nodes in the order parameter of superconducting iron pnictides investigated by infrared spectroscopy. In PHYSICAL REVIEW B, 2010, vol. 82, no. 18, art. no. 184527. BOBOWSKI, J.S. - BAGLO, J.C. - DAY, J. - DOSANJH, P. - OFER, R. - RAMSHAW, B.J. - LIANG, R.X. - BONN, D.A. - HARDY, W.N. - LUO, H.Q. - WANG, Z.S. - FANG, L. - WEN, H.H. Precision microwave electrodynamic measurements of K- and Co-doped BaFe(2)As(2). In PHYSICAL REVIEW B, 2010, vol. 82, no. 9, art. no. 094520. MOON, E.G. - SACHDEV, S. Quantum critical point shifts under superconductivity: Pnictides and cuprates. In PHYSICAL REVIEW B, 2010, vol. 82, no. 10, art. no. 104516. KORTYKA, A. - PUZNIAK, R. - WISNIEWSKI, A. - ZEHETMAYER, M. - WEBER, H.W. - TANG, C.Y. - YAO, X. - CONDER, K. Evidence for a temperature dependent anisotropy of the superconducting state parameters in underdoped SmBa(2)Cu(3)O(x). In PHYSICAL REVIEW B, 2010, vol. 82, no. 5, art. no. 054510. ZHANG, X.H. - OH, Y.S. - LIU, Y. - YAN, L.Q. - SAHA, S.R. - BUTCH, N.P. - KIRSHENBAUM, K. - KIM, K.H. - PAGLIONE, J. - GREENE, R.L. - TAKEUCHI, I. Evidence of a universal and isotropic 2 Delta/k(B)T(C) ratio in 122-type iron pnictide superconductors over a wide doping range. In PHYSICAL REVIEW B, 2010, vol. 82, no. 2, art. no. 020515. BENDELE, M. - WEYENETH, S. - PUZNIAK, R. - MAISURADZE, A. - POMJAKUSHINA, E. - CONDER, K. - POMJAKUSHIN, V. - LUETKENS, H. - KATRYCH, S. - WISNIEWSKI, A. - KHASANOV, R. - KELLER, H. Anisotropic superconducting properties of single-crystalline FeSe(0.5)Te(0.5). In PHYSICAL REVIEW B, 2010, vol. 81, no. 22, art. no. 224520. KIM, K.W. - ROSSLE, M. - DUBROKA, A. - MALIK, V.K. - WOLF, T. - BERNHARD, C. Evidence for multiple superconducting gaps in optimally doped BaFe(1.87)Co(0.13)As(2) from infrared spectroscopy. In PHYSICAL REVIEW B, 2010, vol. 81, no. 21, art. no. 214508. CUDAZZO, P. - PROFETA, G. - SANNA, A. - FLORIS, A. - CONTINENZA, A. - MASSIDDA, S. - GROSS, E.K.U. Electron-phonon interaction and superconductivity in metallic molecular hydrogen. II. Superconductivity under pressure. In PHYSICAL REVIEW B, 2010, vol. 81, no. 13, art. no. 134506. WANG, X.Y. - DAGHOFER, M. - NICHOLSON, A. - MOREO, A. - GUIDRY, M. - DAGOTTO, E. Constraints imposed by symmetry on pairing operators for the iron pnictides. In PHYSICAL REVIEW B, 2010, vol. 81, no. 14, art. no. 144509. BUSSMANN-HOLDER, A. - SIMON, A. - KELLER, H. - BISHOP, A.R. Superconductivity in Fe and As Based Compounds: A Bridge Between MgB(2) and Cuprates. In JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 2010, vol. 23, no. 3, p. 365-369. DAGHERO, D. - GONNELLI, R.S. Probing multiband superconductivity by point-contact spectroscopy. In SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2010, vol. 23, no. 4, art. no. 043001. KHASANOV, R. - BENDELE, M. - AMATO, A. - CONDER, K. - KELLER, H. - KLAUSS, H.H. - LUETKENS, H. - POMJAKUSHINA, E. Evolution of Two-Gap Behavior of the Superconductor FeSe(1-x). In PHYSICAL REVIEW LETTERS, 2010, vol. 104, no. 8, art. no. 087004. YATES, K.A. - USMAN, I.T.M. - MORRISON, K. - MOORE, J.D. - GILBERTSON, A.M. - CAPLIN, A.D. - COHEN, L.F. - OGINO, H. - SHIMOYAMA, J. Evidence for nodal superconductivity in Sr(2)ScFePO(3). In SUPERCONDUCTOR SCIENCE & TECHNOLOGY, 2010, vol. 23, no. 2, art. no. 022001. BHARATHI, A. - SHARMA, S. - PAULRAJ, S. - SATYA, A.T. - HARIHARAN, Y. - SUNDAR, C.S. Critical properties of superconducting Ba(1-x)K(x)Fe(2)As(2). In PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2010, vol. 470, no. 1, p. 8-11. TORTELLO, M. - DAGHERO, D. - UMMARINO, G.A. - STEPANOV, V.A. - JIANG, J. - WEISS, J.D. - HELLSTROM, E.E. - GONNELLI, R.S. Multigap Superconductivity and Strong Electron-Boson Coupling in Fe-Based Superconductors: A Point-Contact Andreev-Reflection Study of Ba(Fe1-xCox)(2)As-2 Single Crystals. In PHYSICAL REVIEW LETTERS. DEC 2 2010, vol. 105, no. 23. Art. no. 237002. UMMARINO, G.A. - DAGHERO, D. - TORTELLO, M. - GONNELLI, R.S. Predictions of Multiband s +/- Strong-Coupling Eliashberg Theory Compared to Experimental Data in Iron Pnictides. In JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM. JAN 2011, vol. 24, no. 1-2, p. 247-253. BUSSMANN-HOLDER, A. - SIMON, A. - KELLER, H. - BISHOP, A.R. Identifying the Pairing Mechanism in Fe-As Based Superconductors: Gaps and Isotope Effects. In JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM. JAN 2011, vol. 24, no. 1-2, p. 1099-1103. EVTUSHINSKY, D.V. - KORDYUK, A.A. - ZABOLOTNYY, V.B. - INOSOV, D.S. - KIM, T.K. - BUCHNER, B. - LUO, H.Q. - WANG, Z.S. - WEN, H.H. - SUN, G.L. - LIN, C.T. - BORISENKO, S.V. Propeller-Like Low Temperature Fermi Surface of Ba1-xKxFe2As2 from Magnetotransport and Photoemission Measurements. In JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN. FEB 2011, vol. 80, no. 2. Art. no. 023710. PARK, J. - KHIM, S. - JEON, G.S. - KIM, J.S. - KIM, K.H. - CHAR, K. Observation of two-gap superconductivity in SrFe1.85Co0.15As2 single crystals by scanning tunneling microscopy and spectroscopy. In NEW JOURNAL OF PHYSICS. MAR 2 2011, vol. 13. Art. no. 033005. SEIDEL, P. Josephson effects in iron based superconductors. In SUPERCONDUCTOR SCIENCE & TECHNOLOGY. APR 2011, vol. 24, no. 4. Art. no. 043001. DMITRIEV, V.M. - KHLYBOV, E.P. - KONDRASHOV, D.S. - TEREKHOV, A.V. - RYBALTCHENKO, L.F. - KHRISTENKO, E.V. - ISHCHENKO, L.A. - KOSTYLEVA, I.E. - ZALESKI, A.J. Andreev reflection spectroscopy of the new Fe-based superconductor EuAsFeO0.85F0.15: Evidence of strong anisotropy in the order parameter. In LOW TEMPERATURE PHYSICS. APR 2011, vol. 37, no. 4, p. 280-286. INOSOV, D.S. - PARK, J.T. - CHARNUKHA, A. - LI, Y. - BORIS, A.V. - KEIMER, B. - HINKOV, V. Crossover from weak to strong pairing in unconventional superconductors. In PHYSICAL REVIEW B. JUN 29 2011, vol. 83, no. 21. Art. no. 214520. LIU, Z.H. - RICHARD, P. - NAKAYAMA, K. - CHEN, G.F. - DONG, S. - HE, J.B. - WANG, D.M. - XIA, T.L. - UMEZAWA, K. - KAWAHARA, T. - SOUMA, S. - SATO, T. - TAKAHASHI, T. - QIAN, T. - HUANG, Y.B. - XU, N. - SHI, Y.B. - DING, H. - WANG, S.C. Unconventional superconducting gap in NaFe0.95Co0.05As observed by angle-resolved photoemission spectroscopy. In PHYSICAL REVIEW B. AUG 23 2011, vol. 84, no. 6. Art. no. 064519. KHIM, S. - LEE, B. - KIM, J.W. - CHOI, E.S. - STEWART, G.R. - KIM, K.H. Pauli-limiting effects in the upper critical fields of a clean LiFeAs single crystal. In PHYSICAL REVIEW B. SEP 6 2011, vol. 84, no. 10. 104502. ZHIGADLO, N.D. - KATRYCH, S. - BENDELE, M. - MOLL, P.J.W. - TORTELLO, M. - WEYENETH, S. - POMJAKUSHIN, V.Y. - KANTER, J. - PUZNIAK, R. - BUKOWSKI, Z. - KELLER, H. - GONNELLI, R.S. - KHASANOV, R. - KARPINSKI, J. - BATLOGG, B. Interplay of composition, structure, magnetism, and superconductivity in SmFeAs1-xPxO1-y. In PHYSICAL REVIEW B. OCT 19 2011, vol. 84, no. 13. Art. no. 134526. DAGHERO, D. - TORTELLO, M. - UMMARINO, G.A. - GONNELLI, R.S. Directional point-contact Andreev-reflection spectroscopy of Fe-based superconductors: Fermi surface topology, gap symmetry, and electron-boson interaction. In REPORTS ON PROGRESS IN PHYSICS. DEC 2011, vol. 74, no. 12. Art. no. 124509. STEWART, G.R. Superconductivity in iron compounds. In REVIEWS OF MODERN PHYSICS. DEC 13 2011, vol. 83, no. 4, p. 1589-1652. Dmitriev, V.M., Khlybov, E.P., Kondrashov, D.S., Terekhov, A.V., Rybaltchenko, L.F., Khristenko, E.V., Ishchenko, L.A., Kostyleva, IE, Zaleski, A.J. Andreev reflection spectroscopy of the new Fe-based superconductor EuAsFeO 0.85F 0.15: Evidence for the strong order parameter anisotropy 2011 Fizika Nizkikh Temperatur (Kharkov) 37 (4) , pp. 360-368 DOERING, S. - SCHMIDT, S. - SCHMIDL, F. - TYMPEL, V. - HAINDL, S. - KURTH, F. - IIDA, K. - MOENCH, I. - HOLZAPFEL, B. - SEIDEL, P. Planar hybrid superconductor-normal metal-superconductor thin film junctions based on BaFe1.8Co0.2As2. In PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS. ISSN 0921-4534, 2012, vol. 478, no., p. 15-18. 
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rok CC IF IF Q (best) JCR Av Jour IF Perc SJR SJR Q (best) CiteScore A rok vydania rok metriky IF IF Q (best) SJR SJR Q (best) 2009 2008 3.322 Q1 2.923 Q1
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