Superconductivity up to 29 K in SrFe2As2 and BaFe2As2 at high pressures

Abstract

We report the discovery of superconductivity at high pressure in SrFe2As2 and BaFe2As2. The superconducting transition temperatures are up to 27 K in SrFe2As2 and 29 K in BaFe2As2, making these the highest pressure-induced superconducting materials discovered thus far.

arXiv commentAccepted in Journal of Physics: Condensed Matter

References in corpus (9)

• Superconductivity at 38 K in the iron arsenide (Ba1-xKx)Fe2As2
• Pressure induced superconductivity in CaFe${}_2$As${}_2$
• Anisotropic thermodynamic and transport properties of single crystalline (Ba${}_{1-x}$K${}_x$)Fe${}_2$As${}_2$ (x = 0 and 0.45)
• Lattice and magnetic instabilities in CaFe2As2: A single crystal neutron diffraction study
• Magnetic and structural transitions in layered FeAs systems: AFe2As2 versus RFeAsO compounds
• Spin and Lattice Structure of Single Crystal SrFe2As2
• Structural transition and anisotropic properties of single crystalline SrFe2As2
• Pressure-induced superconductivity in single crystal CaFe2As2
• Quantum oscillations in the parent magnetic phase of an iron arsenide high temperature superconductor

Cited by in corpus (232)

• The Puzzle of High Temperature Superconductivity in Layered Iron Pnictides and Chalcogenides
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• Determination of the phase diagram of the electron doped superconductor Ba(Fe${}_{1-x}$Co${}_x$)${}_2$As${}_2$
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• Transition of stoichiometricSr2VO3FeAs to a superconducting state at 37.2 K
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• The Unprecedented Giant Coupling of Fe-spin State and the As-As Hybridization in Iron-Pnictide
• Superconductivity induced by phosphorus doping and its coexistence with ferromagnetism in EuFe${}_2$(As${}_{0.7}$P${}_{0.3}$)${}_2$
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• High - Temperature Superconductivity in Iron Based Layered Compounds
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• Role of multiband effects and electron-hole asymmetry in the superconductivity and normal state properties of Ba(Fe${}_{1-x}$Co${}_x$)${}_2$As${}_2$
• Spectroscopic scanning tunneling microscopy insights into Fe-based superconductors
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• Complete pressure dependent phase diagrams for SrFe2As2 and BaFe2As2
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• The Absence of Superconductivity in Single Phase CaFe2As2 under Hydrostatic Pressure
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• Nature of the Magnetic Order in BaMn2As2
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• AFe2As2 (A = Ca, Sr, Ba, Eu) and SrFe_(2-x)TM_(x)As2 (TM = Mn, Co, Ni): crystal structure, charge doping, magnetism and superconductivity
• The Synthesis and Characterization of LiFeAs and NaFeAs
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• Electronic Structure of Fe-Based Superconductors
• The Unusual Superconducting State at 49 K in Electron-Doped CaFe2As2 at Ambient
• Single crystals of LnFeAsO1-xFx (Ln=La, Pr, Nd, Sm, Gd) and Ba1-xRbxFe2As2: growth, structure and superconducting properties
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• Superconductivity in LaFeAs${}_{1-x}$P${}_x$O: effect of chemical pressures and bond covalency
• High Pressure Studies on Fe-Pnictide Superconductors
• Resistivity Anisotropy of $AE$Fe${}_2$As${}_2$ ($AE$ =Ca, Sr, Ba): direct versus Montgomery technique measurements
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• Superconducting and Normal State Properties of APd2As2 (A = Ca, Sr, Ba) Single Crystals
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• Electronic correlations and unusual superconducting response in the optical properties of the iron-chalcogenide FeTe0.55Se0.45
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• Phase diagram of iron-arsenide superconductors Ca(Fe1-xCox)2As2 (0 <= x <= 0.2)
• Heat capacity study of BaFe${}_2$As${}_2$: effects of annealing
• Superconductivity at 23 K and Low Anisotropy in Rb-Substituted BaFe_2As_2 Single Crystals
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• Physical Properties of Metallic Antiferromagnetic CaCo{1.86}As2 Single Crystals
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• Thermodynamic phase diagram and phase competition in BaFe2(As1-xPx)2 studied by thermal expansion
• Gap structure in the electron-doped Iron-Arsenide Superconductor Ba(Fe0.92Co0.08)2As2: low-temperature specific heat study
• Electronic structure of Ba(Fe,Ru)2As2 and Sr(Fe,Ir)2As2 alloys
• Pressure-induced magnetic transition and volume collapse in FeAs superconductors: An orbital-selective Mott scenario
• Detailed magnetic and structural analysis mapping a robust magnetic C4 dome in Sr1-xNaxFe2As2
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• Effect of doping and pressure on magnetism and lattice structure of Fe-based superconductors
• Superconductivity without Fe or Ni in the phosphides BaIr2P2 and BaRh2P2
• Proximity of LaOFeAs to a magnetic instability
• Interplay between superconductivity and magnetism in K-doped EuFe2As2
• Sudden reversal in the pressure dependence of Tc in the iron-based superconductor CsFe2As2: A possible link between inelastic scattering and pairing symmetry
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• The Electronic Phase Diagram of the Iron-based High Tc Superconductor Ba(Fe(1-x)Co(x))2As2 Under Hydrostatic Pressure (0 < x <0.099)
• Pressure and chemical substitution effects in the local atomic structure of BaFe2As2
• Resistivity and Hall effect of LiFeAs: Evidence for electron-electron scattering
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• Phase diagram of superconductivity and antiferromagnetism in single crystals of Sr(Fe1-xCox)2As2 and Sr1-yEuy(Fe0.88Co0.12)2As2
• The suppression of magnetism and the development of superconductivity within the collapsed tetragonal phase of Ca0.67Sr0.33Fe2As2 at high pressure
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• Incommensurate antiferromagnetic fluctuations in single-crystalline LiFeAs studied by inelastic neutron scattering
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• Pressure-induced unconventional superconductivity near a quantum critical point in CaFe2As2
• Formation of Collapsed Tetragonal Phase in EuCo2As2 under High Pressure
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• Evidence for Defect-induced Superconductivity up to 49 K in (Ca1-xRx)Fe2As2
• The coexistence of charge density wave and superconductivity in Pt-based layered superconductors : SrPt${}_2$As${}_2$ and LaPt${}_2$Si${}_2$
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• First-principles investigation of effect of pressure on BaFe${}_2$As${}_2$
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• Disorder effects in pnictides : a tunneling spectroscopy study
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• Ab-initio perspective on structural and electronic properties of iron-based superconductors
• Superconductivity in PbO-type Fe chalcogenides
• Static magnetic order of Sr${}_4$A${}_2$O${}_6$Fe${}_2$As${}_2$ (A = Sc and V) revealed by local probes
• Magnetism and superconductivity in the layered hexagonal transition metal pnictides
• A new quasi-one-dimensional superconductor parent compound NaMn${}_6$Bi${}_5$ with lower antiferromagnetic transition temperatures
• Pressure dependence of phonon modes across the tetragonal to collapsed tetragonal phase transition in CaFe2As2
• Possible unconventional superconductivity in substituted BaFe${}_2$As${}_2$ revealed by magnetic pair-breaking studies
• Collapsed Tetragonal Phase Transition in LaRu${}_2$P${}_2$
• Emergent electronic structure of CaFe2As2
• Determination of the Nature of the Tetragonal to Orthorhombic Phase Transition in SrFe_2As_2 by Measurement of the Local Order Parameter
• Pressure-temperature phase diagrams of CaK(Fe${}_{1-x}$Ni${}_x$)${}_4$As${}_4$ superconductors
• Separation of antiferromagnetism and high-temperature superconductivity in Ca${}_{1-x}$La${}_x$Fe${}_2$As${}_2$ under pressure
• Why is the superconducting Tc so high in rare-earth-doped CaFe2As2?
• Observation of Two Collapsed Phases in CaRbFe4As4
• Anisotropic thermal expansion of AEFe2As2 (AE = Ba, Sr, Ca) single crystals
• Iron-based superconductors: tales from the nuclei
• First-principles study of superconducting Rare-earth doped CaFe2As2
• Realization of continuously electron doping in bulk iron selenides and identification of a new superconducting zone
• Restoration of tetragonal $C_4$ symmetry coexistent with filamentary superconductivity in the pressure induced intermediate phase in the iron-based superconductor Ba${}_{1-x}$K${}_x$Fe${}_2$As${}_2$
• Magnetism and superconductivity in Sr${}_2$VFeAsO${}_3$ revealed by ${}^{75}$As- and ${}^{51}$V-NMR under elevated pressures
• Observation of a Phase Transition at 55 K in Single-Crystal CaCu1.7As2
• Large negative magnetoresistance in BaMn${}_2$Bi${}_2$ antiferromagnet
• Superconductivity tuned by the iron vacancy order in K${}_{\mathbf{x}}$Fe${}_{2-\mathbf{y}}$Se${}_2$
• Weak magnetism and the Mott-state of vanadium in superconducting Sr2VO3FeAs
• NMR study of electronic correlations in Mn-doped Ba(Fe1-xCox)2As2 and BaFe(As1-xPx)2
• Optical properties of the iron-chalcogenide superconductor FeTe0.55Se0.45
• Simultaneous measurement of pressure evolution of crystal structure and superconductivity in FeSe0.92 using designer diamonds
• Effect of the isoelectronic substitution of Sb for As on the magnetic and structural properties of LaFe(As1-xSbx)O
• Pressure-induced superconductivity in EuFe2As2 without a quantum critical point: magnetotransport and upper critical field measurements under high pressure
• The interplay between magnetism, structure, and strong electron-phonon coupling in binary FeAs under pressure
• Phase diagram as a function of doping level and pressure in Eu${}_{1-x}$La${}_x$Fe${}_2$As${}_2$ system
• Pressure dependence of the low- temperature crystal structure and phase transition behaviour of CaFeAsF and SrFeAsF: A synchrotron x-ray diffraction study
• Critical properties of superconducting Ba1-xKxFe2As2
• Structural and Physical Properties of CaFe4As3 Single Crystals
• Lifshitz Transitions in 122-Pnictides Under Pressure
• High-Pressure Electrical Resistivity Measurements of EuFe2As2 Single Crystals
• Magnetisation distribution in the tetragonal phase of BaFe2As2
• Electrodynamics of BaFe2As2 from infrared measurements under pressure
• Hydrostatic pressure effects on the static magnetism in Eu(Fe${}_{0.925}$Co${}_{0.075}$)${}_2$As${}_2$
• Optical and photoemission investigation of structural and magnetic transitions in the iron-based superconductor Sr${}_{0.67}$Na${}_{0.33}$Fe${}_2$As${}_2$
• Uniform chemical pressure effect in solid solutions Ba(1-x)Sr(x)Fe2As2 and Sr(1-x)Ca(x)Fe2As2
• Superconductivity in LaPd2Bi2 with CaBe2Ge2-type structure
• Effects of Pressure on the Electronic and Structural Properties of LaOFeAs
• Finite temperature and pressure molecular dynamics for BaFe2As2
• Temperature-composition Phase Diagrams for Ba1-xSrxFe2As2 and Ba0.5Sr0.5(Fe1-yCoy)2As2
• Upper critical field of the 122-type iron pnictide superconductors
• The interplay of electron doping and chemical pressure in Ba(Fe(1-y)Coy)2(As(1-x)Px)2
• Role of electron-electron interactions in the charge dynamics of rare-earth-doped CaFe2As2
• Role of Fermi surface for the pressure-tuned nematic transition in the BaFe${}_2$As${}_2$ family
• Signatures of pressure induced superconductivity in insulating Bi2212
• Ferromagnetism and the formation of interlayer As2-dimers in Ca(Fe1-xNix)2As2
• Structure-Property Relationship in Layered BaMn2Sb2 and Ba2Mn3Sb2O2
• Universal relationship between low-energy antiferromagnetic fluctuations and superconductivity in BaFe${}_2$(As${}_{1-x}$P${}_x$)${}_2$
• Optical Study of BaFe${}_2$As${}_2$ under pressure: Coexistence of spin-density-wave gap and superconductivity
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• Novel polymorphic phase of BaCu2As2: impact of flux for new phase formation in crystal growth
• Absence of magnetism in the superconductor Ba2Ti2Fe2As4O: Insights from inelastic neutron scattering measurements and ab initio calculations of phonon spectra
• Pressure-Induced Antiferromagnetic Bulk Superconductor EuFe${}_2$As${}_2$
• Superconductivity by transition metal doping in Ca${}_{10}$(Fe${}_{1-x}$M${}_x$As)${}_{10}$(Pt${}_3$As${}_8$) (M = Co, Ni, Cu)
• Anomalous He-Gas High-Pressure Studies on Superconducting LaO1-xFxFeAs
• Miscibility gap and possible intrinsic Griffiths phase in Sr(Fe1-xMnx)2As2 crystals grown by transitional metal arsenide flux
• First-principles study on the electron-phonon coupling and magnetoresistance of LaBi under pressure
• Pressure suppression of spin-density-wave gap in the optical conductivity of SrFe2As2
• High-Pressure Evolution of the Specific Heat of a Strongly Underdoped Ba(Fe0.963Co0.037)As2 Iron-Based Superconductor
• Pressure tuned superconductivity and normal state behavior in Ba(Fe${}_{0.943}$Co${}_{0.057}$)${}_2$As${}_2$ near the antiferromagnetic boundary
• Suppression of the magnetic order in CeFeAsO: non-equivalence of hydrostatic and chemical pressure
• Pressure-driven phase transitions in correlated systems
• Calorimetric study of the superconducting and normal state properties of Ca(Fe1-xCox)2As2
• Entanglement Perturbation Theory for Antiferromagnetic Heisenberg Spin Chains
• Ultrafast Relaxation Dynamics of Spin-Density Wave Order in BaFe${}_2$As${}_2$ under High Pressures
• Low-energy, planar magnetic defects in BaFe2As2: nanotwins, twins, antiphase and domain boundaries
• 75As NMR probe of antiferromagnetic fluctuations in Ba(Fe1-xRux)2As2
• Superconducting critical temperature and dimensionality tuning of RbV${}_3$Sb${}_5$ via biaxial strain
• Phase diagram of the isovalent phosphorous-substituted 122-type iron pnictides
• Point-contact Andreev reflection spectroscopy of layered superconductors with device-integrated diamond anvil cells
• Hydrostatic pressure study of the structural phase transitions and superconductivity in single crystals of (Ba1-xKx)Fe2As2 (x = 0 and 0.45) and CaFe2As2
• Decoupling of itinerant and localized $d$-orbital electrons in the compound Sc${}_{0.5}$Zr${}_{0.5}$Co