Doping Induced Gap Anisotropy in Iron-Based Superconductors: a Point-Contact Andreev Reflection Study of BaFe 2 −x Ni x As 2 Single Crystals
暂无分享,去创建一个
Huiqian Luo | H. Wen | L. Shan | C. Ren | Jun-Si Zhu | Xingye Lu | Zhao-sheng Wang | Zhenyu Wang | Chunhong Li | Xing-yuan Hou
[1] T. Qian,et al. Possible nodal superconducting gap emerging at the Lifshitz transition in heavily hole-doped Ba0.1K0.9Fe2As2 , 2013, 1308.3888.
[2] L. Taillefer,et al. Sudden reversal in the pressure dependence of Tc in the iron-based superconductor KFe2As2 , 2013, Nature Physics.
[3] Huiqian Luo,et al. Specific heat of optimally doped Ba(Fe 1 − x TM x ) 2 As 2 ( TM = Co and Ni) single crystals at low temperatures: A multiband fitting , 2012 .
[4] K. Tanigaki,et al. Evidence for line nodes in the energy gap of the overdoped Ba(Fe1−xCox)2As2from low-temperature specific heat measurements , 2011, 1103.1300.
[5] Yan Huang,et al. Evidence of multiple nodeless energy gaps in superconducting Ba0.6K0.4Fe2As2 single crystals from scanning tunneling spectroscopy , 2011 .
[6] E. Bauer,et al. Effect of annealing on the specific heat of Ba(Fe1-xCox)2As2 , 2010, 1009.1091.
[7] I. Vekhter,et al. Nodes versus minima in the energy gap of iron pnictide superconductors from field-induced anisotropy. , 2010, Physical review letters.
[8] V. A. Stepanov,et al. Multigap superconductivity and strong electron-boson coupling in Fe-based superconductors: a point-contact Andreev-reflection study of Ba(Fe(1-x)Co(x))2As2 single crystals. , 2010, Physical review letters.
[9] T. Devereaux,et al. Pinpointing gap minima inBa(Fe0.94Co0.06)2As2via band-structure calculations and electronic Raman scattering , 2010, 1008.0032.
[10] A. Chubukov,et al. Angle-resolved specific heat in iron-based superconductors: The case for a nodeless extended s-wave gap , 2010, 1006.3091.
[11] K. Hashimoto,et al. Line nodes in the energy gap of superconducting BaFe2(As1-xPx)2 single crystals as seen via penetration depth and thermal conductivity , 2010 .
[12] L. Taillefer,et al. Nodes in the gap structure of the iron arsenide superconductor Ba ( Fe 1 − x Co x ) 2 As 2 from c -axis heat transport measurements , 2010, 1004.3804.
[13] R. Greene,et al. Evidence of a universal and isotropic 2 Δ / k B T C ratio in 122-type iron pnictide superconductors over a wide doping range , 2010, 1004.1445.
[14] Ching Hua Lee,et al. Evidence for superconducting gap nodes in the zone-centered hole bands of KFe2As2 from magnetic penetration-depth measurements , 2010, 1003.6022.
[15] H.-P. Cheng,et al. Spin fluctuations and superconductivity in a 3D tight-binding model for BaFe2As2 , 2010, 1003.0133.
[16] R. Prozorov,et al. Evidence from anisotropic penetration depth for a three-dimensional nodal superconducting gap in single-crystalline Ba ( Fe 1 − x Ni x ) 2 As 2 , 2010 .
[17] R. Gonnelli,et al. Probing multiband superconductivity by point-contact spectroscopy , 2009, 0912.4858.
[18] S. Y. Li,et al. Quantum criticality and nodal superconductivity in the FeAs-based superconductor KFe2As2. , 2009, Physical review letters.
[19] L. Taillefer,et al. Doping dependence of heat transport in the iron-arsenide superconductor Ba(Fe(1-x)Co(x))2As2: from isotropic to a strongly k-dependent gap structure. , 2009, Physical review letters.
[20] J. Linder,et al. Quantum transport in ballistic s(+/-)-wave superconductors with interband coupling : Conductance spectra, crossed Andreev reflection, and Josephson current , 2009 .
[21] M. Huber,et al. Evidence for a nodal energy gap in the iron-pnictide superconductor LaFePO from penetration depth measurements by scanning SQUID susceptometry. , 2009, Physical review letters.
[22] R. Prozorov,et al. Intrinsic pinning on structural domains in underdoped single crystals of Ba(Fe[subscript 1−x]Co[subscript x])[subscript 2]As[subscript 2] , 2009, 0909.0923.
[23] Y. Wan,et al. Model for determining the pairing symmetry and relative sign of the energy gap of iron-arsenide superconductors using tunneling spectroscopy. , 2009, Physical review letters.
[24] R. Arita,et al. Pnictogen height as a possible switch between high- T c nodeless and low- T c nodal pairings in the iron-based superconductors , 2009, 0904.2612.
[25] S. Graser,et al. Origin of gap anisotropy in spin fluctuation models of the iron pnictides , 2009, 0903.5216.
[26] R. Arita,et al. Erratum: Unconventional pairing originating from the disconnected fermi surfaces of superconducting LaFeAsO1-xFx (Physical Review Letters (2008) 101 (087004)) , 2009 .
[27] P. Sacramento,et al. Quantum waveguide theory of Andreev spectroscopy in multiband superconductors: The case of iron pnictides , 2009, 0901.0398.
[28] I. Mazin,et al. Andreev spectra and subgap bound states in multiband superconductors. , 2008, Physical review letters.
[29] Thomas Wolf,et al. Large anisotropic uniaxial pressure dependencies of Tc in single crystalline Ba(Fe0.92Co0.08)2As2. , 2008, Physical review letters.
[30] J. Chu,et al. Evidence for a nodal-line superconducting state in LaFePO. , 2008, Physical review letters.
[31] Y. Liu,et al. Observation of the Josephson effect in Pb/Ba1-xKxFe2As2 single crystal junctions. , 2008, Physical review letters.
[32] A. Vishwanath,et al. Andreev bound States as a phase-sensitive probe of the pairing symmetry of the iron pnictide superconductors. , 2008, Physical review letters.
[33] Dung-Hai Lee,et al. Functional renormalization-group study of the pairing symmetry and pairing mechanism of the FeAs-based high-temperature superconductor. , 2008, Physical review letters.
[34] Dung-Hai Lee,et al. Nodal Spin Density Wave and band topology of the FeAs based materials , 2008, 0805.3535.
[35] Huiqian Luo,et al. Evidence for two energy gaps in superconducting Ba0.6K0.4Fe2As2 single crystals and the breakdown of the Uemura plot. , 2008, Physical review letters.
[36] M. Johannes,et al. Unconventional superconductivity with a sign reversal in the order parameter of LaFeAsO1-xFx. , 2008, Physical review letters.
[37] X. Dai,et al. Observation of Fermi-surface–dependent nodeless superconducting gaps in Ba0.6K0.4Fe2As2 , 2008, 0807.0419.
[38] R. Arita,et al. Unconventional pairing originating from the disconnected Fermi surfaces of superconducting LaFeAsO1-xFx. , 2008, Physical review letters.
[39] G. Deutscher. Andreev–Saint-James reflections: A probe of cuprate superconductors , 2004, cond-mat/0409225.
[40] Tanaka,et al. Theory for tunneling spectroscopy of anisotropic superconductors. , 1996, Physical review. B, Condensed matter.
[41] Tanaka,et al. Theory of Tunneling Spectroscopy of d-Wave Superconductors. , 1995, Physical review letters.
[42] T. M. Klapwijk,et al. Transition from metallic to tunneling regimes in superconducting microconstrictions: Excess current, charge imbalance, and supercurrent conversion , 1982 .
[43] Venkatesh Narayanamurti,et al. Direct measurement of quasiparticle-lifetime broadening in a strong-coupled superconductor , 1978 .