Phase diagram of the isovalent phosphorous-substituted 122-type iron pnictides

Abstract

Recent experiments demonstrated that isovalent doping system gives the similar phase diagram as the heterovalent doped cases. For example, with the phosphorous (P)-doping, the magnetic order in BaFe${}_2$(As${}_{1-x}$P${}_x$)${}_2$ compound is first suppressed, then the superconductivity dome emerges to an extended doping region but eventually it disappears at large $x$. With the help of a minimal two-orbital model for both BaFe${}_2$As${}_2$ and BaFe${}_2$P${}_2$, together with the self-consistent lattice Bogoliubov-de Gennes (BdG) equation, we calculate the phase diagram against the P content $x$ in which the doped isovalent P-atoms are treated as impurities. We show that our numerical results can qualitatively compare with the experimental measurements.

arXiv commentAccepted for publication in Phys. Rev. B

References in corpus (43)

• Superconductivity at 38 K in the iron arsenide (Ba1-xKx)Fe2As2
• Superconductivity at 22 K in Co-doped BaFe2As2 Crystals
• Spin density wave anomaly at 140 K in the ternary iron arsenide BaFe2As2
• Magnetic order in BaFe2As2, the parent compound of the FeAs based superconductors in a new structural family
• Near-degeneracy of several pairing channels in multiorbital models for the Fe-pnictides
• Pnictogen height as a possible switch between high-T_c nodeless and low-T_c nodal pairings in the iron based superconductors
• Effect of Structural Parameters on Superconductivity in Fluorine-Free LnFeAsO1-y (Ln=La,Nd)
• Superconductivity up to 29 K in SrFe2As2 and BaFe2As2 at high pressures
• A minimal two-band model for the superconducting Fe-pnictides
• Anion height dependence of Tc for the Fe-based superconductor
• Superconductivity up to 30 K in the vicinity of quantum critical point in BaFe${}_2$(As${}_{1-x}$P${}_x$)${}_2$
• Spin fluctuations and superconductivity in a 3D tight-binding model for BaFe2As2
• Nematic spin fluid in the tetragonal phase of BaFe2As2
• Unconventional superconductivity and antiferromagnetic quantum critical behavior in the isovalent-doped BaFe2(As1-xPx)2
• Evolution of the Fermi surface of BaFe_2(As_{1-x}P_x)_2 on entering the superconducting dome
• Spin dynamics and an orbital-antiphase pairing symmetry in iron-based superconductors
• Anisotropic itinerant magnetism and spin fluctuations in BaFe2As2: A neutron scattering study
• Superconductivity in Ru substituted BaFe2-xRuxAs2
• Neutron Scattering Resonance and the Fe-pnictide Superconducting Gap
• Neutron diffraction on antiferromagnetic ordering in single-crystal BaFe2As2
• Possible three dimensional nodes in the $s\pm$ superconducting gap of BaFe${}_2$(As${}_{1-x}$P${}_x$)${}_2$
• Nonmagnetic Impurity Resonances as a Signature of Sign-Reversal Pairing in the FeAs-based Superconductors
• Nodes in the Gap Function of LaFePO, the Gap Function of the Fe(Se,Te) Systems, and the STM Signature of the s${}_{\pm }$ Pairing
• Different response of the crystal structure to isoelectronic doping in BaFe2[As(1-x)P(x)]2 and [Ba(1-x)Sr(x)]Fe2As2
• $S_4$ Symmetric Microscopic Model for Iron-Based Superconductors
• Chemical Pressure and Physical Pressure in BaFe_2(As_{1-x}P_{x})_2
• Enhanced Fermi surface nesting in superconducting BaFe${}_2$(As${}_{1-x}$P${}_x$)${}_2$ revealed by de Haas-van Alphen effect
• Two- and Three-Dimensional Fermi Surfaces and their Nesting Properties in Superconducting BaFe2(As1-xPx)2
• Thermal expansion and Grüneisen parameters of Ba(Fe1-xCox)2As2 - a thermodynamic quest for quantum criticality
• Pressure versus concentration tuning of the superconductivity in Ba(Fe(1-x)Cox)2As2
• Phosphor induced significant hole-doping in ferropnictide superconductor BaFe2(As(1-x)Px)2
• Thermodynamic phase diagram and phase competition in BaFe2(As1-xPx)2 studied by thermal expansion
• Neutron scattering investigation of the magnetic order in single crystalline BaFe2As2
• Theory of Multiband Superconductivity in Iron Pnictides
• Local modulations of the spin-fluctuation mediated pairing interaction by impurities in d-wave superconductors
• Disorder effects in multiorbital $s_{\pm }$-wave superconductors: Implications for Zn-doped BaFe${}_2$As${}_2$ compounds
• Inter-layer Superconducting Pairing Induced c-axis Nodal Lines in Iron-based Superconductors
• Phase diagram of doped BaFe${}_2$As${}_2$ superconductor under broken $C_4$ symmetry
• Interorbital pair scattering in clean and impure superconductors
• Evolution of the Fermi surface topology in doped 122 iron pnictides
• The interplay of electron doping and chemical pressure in Ba(Fe(1-y)Coy)2(As(1-x)Px)2
• Evolution of quasiparticle states with and without a Zn-impurity in doped 122 iron pnictides
• A unified description of superconducting pairing symmetry in electron-doped Fe-based-122 compounds

Cited by in corpus (1)

• Effects of single- and multi-substituted Zn ions in doped-122 type iron-based superconductors