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Title: Effective medium approximation and the complex optical properties of the inhomogeneous superconductor K 0.8 Fe 2 - y Se 2

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Center for Emergent Superconductivity (CES)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
DOE Contract Number:
AC02-98CH10886
OSTI ID:
1385485
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Vol. 86, Issue 14; Related Information: CES partners with Brookhaven National Laboratory (BNL); Argonne National Laboratory; University of Illinois, Urbana-Champaign; Los Alamos National Laboratory; ISSN 1098-0121
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English

References (47)

A universal scaling relation in high-temperature superconductors journal July 2004
Scaling of the superfluid density in high-temperature superconductors journal October 2005
Anisotropic quasiparticle lifetimes in Fe-based superconductors journal May 2011
Pairing Mechanism in Fe-Based Superconductors journal March 2012
Optical Spectroscopy of Superconducting Ba 0.55 K 0.45 Fe 2 As 2 : Evidence for Strong Coupling to Low-Energy Bosons journal May 2009
Intrinsic percolative superconductivity in K x Fe 2−y Se 2 single crystals journal October 2011
Generalized effective-medium approach to the conductivity of an inhomogeneous material journal October 1975
Optical properties of the iron-chalcogenide superconductor FeTe0.55Se0.45 journal May 2011
Optical conductivity of superconducting K 0.8 Fe 2 y Se 2 single crystals: Evidence for a Josephson-coupled phase journal May 2012
Nanoscale phase separation of antiferromagnetic order and superconductivity in K0.75Fe1.75Se2 journal January 2012
Superfluid density of Ba ( Fe 1 - x M x ) 2 As 2 from optical experiments journal December 2010
Structure of vacancy-ordered single-crystalline superconducting potassium iron selenide journal April 2011
Superconductivity in the iron selenide K x Fe 2 Se 2 ( 0 x 1.0 ) journal November 2010
Intrinsic phase separation in superconducting K 0.8 Fe 1.6 Se 2 ( T c = 31.8 K) single crystals 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 journal May 2011
Electronic correlations and unusual superconducting response in the optical properties of the iron chalcogenide FeTe 0.55 Se 0.45 journal May 2010
NMR Study in the Iron-Selenide Rb 0.74 Fe 1.6 Se 2 : Determination of the Superconducting Phase as Iron Vacancy-Free Rb 0.3 Fe 2 Se 2 journal June 2012
Effects of magnetic ordering on dynamical conductivity: Optical investigations of EuFe 2 As 2 single crystals journal April 2009
Nanoscale phase separation in the iron chalcogenide superconductor K 0 . 8 Fe 1 . 6 Se 2 as seen via scanning nanofocused x-ray diffraction journal August 2011
Nanoscale Layering of Antiferromagnetic and Superconducting Phases in Rb 2 Fe 4 Se 5 Single Crystals journal July 2012
Coexistence of the spin-density wave and superconductivity in Ba 1−x K x Fe 2 As 2 journal January 2009
Electrodynamics of electron-doped iron pnictide superconductors: Normal-state properties journal August 2010
Coherence, incoherence, and scaling along the c axis of Y Ba 2 Cu 3 O 6 + x journal May 2005
Nodeless superconducting gap in AxFe2Se2 (A=K,Cs) revealed by angle-resolved photoemission spectroscopy journal February 2011
Se 77 NMR investigation of the K x Fe 2 y Se 2 high- T c superconductor ( T c = 33 K) journal March 2011
Microstructural analysis of phase separation in iron chalcogenide superconductors journal July 2012
Optical conductivity of superconducting Rb 2 Fe 4 Se 5 single crystals journal March 2012
Coexistence of Magnetism and Superconductivity in the Iron-Based Compound Cs 0.8 ( FeSe 0.98 ) 2 journal March 2011
Coexistence of superconductivity and antiferromagnetism in single crystals A 0.8 Fe 2−y Se 2 (A=K, Rb, Cs, Tl/K and Tl/Rb): Evidence from magnetization and resistivity journal April 2011
Superconductivity at 32 K and anisotropy in Tl 0.58 Rb 0.42 Fe 1.72 Se 2 crystals journal February 2011
Band Structure and Fermi Surface of an Extremely Overdoped Iron-Based Superconductor KFe 2 As 2 journal July 2009
Coexistence of different electronic phases in the K 0.8 Fe 1.6 Se 2 superconductor: A bulk-sensitive hard x-ray spectroscopy study journal June 2012
A Novel Large Moment Antiferromagnetic Order in K 0.8 Fe 1.6 Se 2 Superconductor journal August 2011
KFe 2 Se 2 is the Parent Compound of K-Doped Iron Selenide Superconductors journal July 2012
Isotropic superconducting gaps with enhanced pairing on electron Fermi surfaces in FeTe 0.55 Se 0.45 journal March 2012
Strong nodeless pairing on separate electron Fermi surface sheets in (Tl, K)Fe 1.78 Se 2 probed by ARPES 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 journal April 2011
The electron pairing of K x Fe 2− y Se 2 journal February 2011
Phase separation in superconducting and antiferromagnetic Rb 0.8 Fe 1.6 Se 2 probed by Mössbauer spectroscopy journal November 2011
Cation vacancy order in the K0.8+xFe1.6−ySe2 system: Five-fold cell expansion accommodates 20% tetrahedral vacancies journal January 2011
Optical and Raman spectroscopy studies on Fe-based superconductors journal May 2009
Phase separation and magnetic order in K-doped iron selenide superconductor journal November 2011
n s T c Correlations in Granular Superconductors journal August 2012
The puzzle of high temperature superconductivity in layered iron pnictides and chalcogenides journal October 2010
Minimal two-band model of the superconducting iron oxypnictides journal June 2008
Optical properties of the iron arsenic superconductor BaFe 1.85 Co 0.15 As 2 journal November 2010
An inhomogeneous Josephson phase in thin-film and high-Tc superconductors journal February 2008

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