Optical conductivity of superconducting K 0.8 Fe 2 − y Se 2 single crystals: Evidence for a Josephson-coupled phase

Homes, C. C.; Xu, Z. J.; Wen, J. S.; Gu, G. D.

doi:10.1103/PhysRevB.85.180510

Title: Optical conductivity of superconducting K $_{0.8}$ Fe $_{2 - y}$ Se $_{2}$ single crystals: Evidence for a Josephson-coupled phase

Journal Article · Fri May 25 00:00:00 EDT 2012 · Physical Review B

DOI:https://doi.org/10.1103/PhysRevB.85.180510· OSTI ID:1104133

Homes, C. C.; Xu, Z. J.; Wen, J. S.; Gu, G. D.

View Accepted Manuscript (Publisher)

Cite

Export

Save

Sponsoring Organization:: USDOE

OSTI ID:: 1104133

Journal Information:: Physical Review B, Journal Name: Physical Review B Vol. 85 Journal Issue: 18; ISSN 1098-0121

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

Citation Metrics:

Cited by: 21 works

Citation information provided by
Web of Science

References (35)

A universal scaling relation in high-temperature superconductors Homes, C. C.; Dordevic, S. V.; Strongin, M. Nature, Vol. 430, Issue 6999 https://doi.org/10.1038/nature02673	journal	July 2004
The pseudogap state in high- superconductors: an infrared study Puchkov, A. V.; Basov, D. N.; Timusk, T. Journal of Physics: Condensed Matter, Vol. 8, Issue 48 https://doi.org/10.1088/0953-8984/8/48/023	journal	November 1996
Nodeless superconducting gap in AxFe2Se2 (A=K,Cs) revealed by angle-resolved photoemission spectroscopy Zhang, Y.; Yang, L. X.; Xu, M. Nature Materials, Vol. 10, Issue 4 https://doi.org/10.1038/nmat2981	journal	February 2011
${}^{77}{Se}$ NMR investigation of the $K_{x}$ Fe $_{2 - y}$ Se $_{2}$ high- $T_{c}$ superconductor ( $T_{c} = 33$ K) Torchetti, D. A.; Fu, M.; Christensen, D. C. Physical Review B, Vol. 83, Issue 10 https://doi.org/10.1103/PhysRevB.83.104508	journal	March 2011
Pairing Mechanism in Fe-Based Superconductors Chubukov, Andrey Annual Review of Condensed Matter Physics, Vol. 3, Issue 1 https://doi.org/10.1146/annurev-conmatphys-020911-125055	journal	March 2012
Optical conductivity of superconducting ${Rb}_{2} {Fe}_{4} {Se}_{5}$ single crystals Charnukha, A.; Deisenhofer, J.; Pröpper, D. Physical Review B, Vol. 85, Issue 10 https://doi.org/10.1103/PhysRevB.85.100504	journal	March 2012
Coexistence of Magnetism and Superconductivity in the Iron-Based Compound ${Cs}_{0.8} ({FeSe}_{0.98})_{2}$ Shermadini, Z.; Krzton-Maziopa, A.; Bendele, M. Physical Review Letters, Vol. 106, Issue 11 https://doi.org/10.1103/PhysRevLett.106.117602	journal	March 2011
Optical properties of CrSb, MnSb, NiSb, and NiAs Allen, J. W.; Mikkelsen, J. C. Physical Review B, Vol. 15, Issue 6 https://doi.org/10.1103/PhysRevB.15.2952	journal	March 1977
Imaginary part of the infrared conductivity of a $d_{x^{2} - y^{2}}$ superconductor Jiang, C.; Schachinger, E.; Carbotte, J. P. Physical Review B, Vol. 54, Issue 2 https://doi.org/10.1103/PhysRevB.54.1264	journal	July 1996
Nanoscale phase separation of antiferromagnetic order and superconductivity in K0.75Fe1.75Se2 Yuan, R. H.; Dong, T.; Song, Y. J. Scientific Reports, Vol. 2, Issue 1 https://doi.org/10.1038/srep00221	journal	January 2012
Superconductivity at 32 K and anisotropy in Tl _0.58 Rb _0.42 Fe _1.72 Se ₂ crystals Wang, Hang-Dong; Dong, Chi-Heng; Li, Zu-Juan EPL (Europhysics Letters), Vol. 93, Issue 4 https://doi.org/10.1209/0295-5075/93/47004	journal	February 2011
Iron-Based Layered Superconductor La[O _1- _x F _x ]FeAs ( x = 0.05−0.12) with T _c = 26 K Kamihara, Yoichi; Watanabe, Takumi; Hirano, Masahiro Journal of the American Chemical Society, Vol. 130, Issue 11 https://doi.org/10.1021/ja800073m	journal	March 2008
Band Structure and Fermi Surface of an Extremely Overdoped Iron-Based Superconductor ${KFe}_{2} {As}_{2}$ Sato, T.; Nakayama, K.; Sekiba, Y. Physical Review Letters, Vol. 103, Issue 4 https://doi.org/10.1103/PhysRevLett.103.047002	journal	July 2009
A Novel Large Moment Antiferromagnetic Order in K _0.8 Fe _1.6 Se ₂ Superconductor Bao, Wei; Huang, Qing-Zhen; Chen, Gen-Fu Chinese Physics Letters, Vol. 28, Issue 8 https://doi.org/10.1088/0256-307X/28/8/086104	journal	August 2011
Technique for measuring the reflectance of irregular, submillimeter-sized samples Homes, Christopher C.; Reedyk, M.; Cradles, D. A. Applied Optics, Vol. 32, Issue 16 https://doi.org/10.1364/AO.32.002976	journal	January 1993
Destruction of Superconductivity in Disordered Near-Monolayer Films Strongin, Myron; Thompson, R. S.; Kammerer, O. F. Physical Review B, Vol. 1, Issue 3 https://doi.org/10.1103/PhysRevB.1.1078	journal	February 1970
Superconductivity at 38 K in the Iron Arsenide $({Ba}_{1 - x} K_{x}) {Fe}_{2} {As}_{2}$ Rotter, Marianne; Tegel, Marcus; Johrendt, Dirk Physical Review Letters, Vol. 101, Issue 10 https://doi.org/10.1103/PhysRevLett.101.107006	journal	September 2008
Structure of vacancy-ordered single-crystalline superconducting potassium iron selenide Zavalij, P.; Bao, Wei; Wang, X. F. Physical Review B, Vol. 83, Issue 13 https://doi.org/10.1103/PhysRevB.83.132509	journal	April 2011
Infrared spectrum and its implications for the electronic structure of the semiconducting iron selenide $K_{0.83}$ Fe $_{1.53}$ Se $_{2}$ Chen, Z. G.; Yuan, R. H.; Dong, T. Physical Review B, Vol. 83, Issue 22 https://doi.org/10.1103/PhysRevB.83.220507	journal	June 2011
Superconductivity in the iron selenide $K_{x} {Fe}_{2} {Se}_{2}$ $(0 \leq x \leq 1.0)$ Guo, Jiangang; Jin, Shifeng; Wang, Gang Physical Review B, Vol. 82, Issue 18 https://doi.org/10.1103/PhysRevB.82.180520	journal	November 2010
Infrared phonon anomaly in ${BaFe}_{2} {As}_{2}$ Akrap, A.; Tu, J. J.; Li, L. J. Physical Review B, Vol. 80, Issue 18 https://doi.org/10.1103/PhysRevB.80.180502	journal	November 2009
Intrinsic phase separation in superconducting K _0.8 Fe _1.6 Se ₂ ( T _c = 31.8 K) single crystals Ricci, Alessandro; Poccia, Nicola; Joseph, Boby Superconductor Science and Technology, Vol. 24, Issue 8 https://doi.org/10.1088/0953-2048/24/8/082002	journal	July 2011
Absence of a Holelike Fermi Surface for the Iron-Based $K_{0.8} {Fe}_{1.7} {Se}_{2}$ Superconductor Revealed by Angle-Resolved Photoemission Spectroscopy Qian, T.; Wang, X. -P.; Jin, W. -C. Physical Review Letters, Vol. 106, Issue 18 https://doi.org/10.1103/PhysRevLett.106.187001	journal	May 2011
Strong nodeless pairing on separate electron Fermi surface sheets in (Tl, K)Fe _1.78 Se ₂ probed by ARPES Wang, X. -P.; Qian, T.; Richard, P. EPL (Europhysics Letters), Vol. 93, Issue 5 https://doi.org/10.1209/0295-5075/93/57001	journal	February 2011
Microstructure and ordering of iron vacancies in the superconductor system $K_{y}$ Fe $_{x}$ Se $_{2}$ as seen via transmission electron microscopy Wang, Z.; Song, Y. J.; Shi, H. L. Physical Review B, Vol. 83, Issue 14 https://doi.org/10.1103/PhysRevB.83.140505	journal	April 2011
The electron pairing of K _x Fe _{2− y} Se ₂ Wang, Fa; Yang, Fan; Gao, Miao EPL (Europhysics Letters), Vol. 93, Issue 5 https://doi.org/10.1209/0295-5075/93/57003	journal	February 2011
Cation vacancy order in the K0.8+xFe1.6−ySe2 system: Five-fold cell expansion accommodates 20% tetrahedral vacancies Bacsa, J.; Ganin, A. Y.; Takabayashi, Y. Chemical Science, Vol. 2, Issue 6 https://doi.org/10.1039/c1sc00070e	journal	January 2011
Electronic correlations and unusual superconducting response in the optical properties of the iron chalcogenide ${FeTe}_{0.55} {Se}_{0.45}$ Homes, C. C.; Akrap, A.; Wen, J. S. Physical Review B, Vol. 81, Issue 18 https://doi.org/10.1103/PhysRevB.81.180508	journal	May 2010
Nanoscale phase separation in the iron chalcogenide superconductor K $_{0.8}$ Fe $_{1.6}$ Se $_{2}$ as seen via scanning nanofocused x-ray diffraction Ricci, A.; Poccia, N.; Campi, G. Physical Review B, Vol. 84, Issue 6 https://doi.org/10.1103/PhysRevB.84.060511	journal	August 2011
Superconductivity in the iron-based F-doped layered quaternary compound Nd[O _{1 − x} F _x ]FeAs Ren, Zhi-An; Yang, Jie; Lu, Wei EPL (Europhysics Letters), Vol. 82, Issue 5 https://doi.org/10.1209/0295-5075/82/57002	journal	May 2008
Coexistence of the spin-density wave and superconductivity in Ba _1−x K _x Fe ₂ As ₂ Chen, H.; Ren, Y.; Qiu, Y. EPL (Europhysics Letters), Vol. 85, Issue 1 https://doi.org/10.1209/0295-5075/85/17006	journal	January 2009
Electrodynamics of Solids Dressel, Martin; Grüner, George Cambridge University Press https://doi.org/10.1017/CBO9780511606168	book	January 2010
Superconductivity close to magnetic instability in $Fe {({Se}_{1 - x} {Te}_{x})}_{0.82}$ Fang, M. H.; Pham, H. M.; Qian, B. Physical Review B, Vol. 78, Issue 22 https://doi.org/10.1103/PhysRevB.78.224503	journal	December 2008
An inhomogeneous Josephson phase in thin-film and high-Tc superconductors Imry, Y.; Strongin, M.; Homes, C. C. Physica C: Superconductivity, Vol. 468, Issue 4 https://doi.org/10.1016/j.physc.2007.08.021	journal	February 2008
Optical properties of the iron arsenic superconductor ${BaFe}_{1.85} {Co}_{0.15} {As}_{2}$ Tu, J. J.; Li, J.; Liu, W. Physical Review B, Vol. 82, Issue 17 https://doi.org/10.1103/PhysRevB.82.174509	journal	November 2010