Coupled Magnetic and Superconducting Transitions in Sr${}_2$VO${}_3$FeAs Under Pressure

Abstract

We report muon spin rotation ($\mu$SR) and magnetization measurements on superconducting Sr${}_2$VO${}_3$FeAs under pressure. At ambient pressure, Sr${}_2$VO${}_3$FeAs undergoes an antiferromagnetic transition of the V moments at $T_N$ and becomes superconducting at $T_c<T_N$. As a function of pressure, $T_N$ initially decreases while $T_c$ increases. Surprisingly, once $T_N\approx T_c$ at 0.6~GPa, $T_N$ reverses its trend and increases together with $T_c$ suggesting that the static V magnetism is a prerequisite for superconductivity. We explain this cooperative coupling by a possible localization of the V 3$d$ states below the magnetic transition which enables the nesting of the Fermi surface necessary for superconductivity.

References in corpus (45)

• High-temperature superconductivity in iron-based materials
• Superconductivity at 36 K in beta-Fe1.01Se with the compression of the interlayer separation under pressure
• Magnetism, superconductivity, and pairing symmetry in Fe-based superconductors
• Coexistence of ferromagnetism and superconductivity in the hybrid ruthenate-cuprate compound RuSr_2GdCu_2O_8 studied by muon spin rotation (μSR) and DC-magnetization
• Effects of Co substitution on thermodynamic and transport properties and anisotropic $H_{c2}$ in Ba(Fe${}_{1-x}$Co${}_x$)${}_2$As${}_2$ single crystals
• musrfit: A free platform-independent framework for muSR data analysis
• Determination of the phase diagram of the electron doped superconductor Ba(Fe${}_{1-x}$Co${}_x$)${}_2$As${}_2$
• The electronic phase diagram of the LaO1-xFxFeAs superconductor
• Recent advances in iron-based superconductors toward applications
• Transition of stoichiometricSr2VO3FeAs to a superconducting state at 37.2 K
• Competition and coexistence of antiferromagnetism and superconductivity in underdoped Ba(Fe0.953Co0.047)2As2
• Antiferromagnetic Order of the Ru and Gd in Superconducting RuSr2GdCu2O8
• Electronic phase separation in the slightly underdoped iron pnictide superconductor Ba(1-x)K(x)Fe(2)As(2)
• Pressure Induced Static Magnetic Order in Superconducting FeSe_1-x
• A neutron scattering study of the interplay between structure and magnetism in Ba(Fe${}_{1-x}$Co${}_x$)${}_2$As${}_2$
• Superconductivity under high pressure in LaFeAsO
• Static and Dynamic Magnetism in Underdoped Superconductor BaFe${}_{1.92}$Co${}_{0.08}$As${}_2$
• Atomic coexistence of superconductivity and incommensurate magnetic order in the Ba(Fe1-xCox)2As2 pnictide
• Coexistence of Superconductivity and Magnetism in FeSe_1-x under Pressure
• Superconductivity coexisting with phase-separated static magnetic order in (Ba,K)Fe${}_2$As${}_2$, (Sr,Na)Fe${}_2$As${}_2$ and CaFe${}_2$As${}_2$
• Nanoscopic coexistence of magnetism and superconductivity in YBa2Cu3O6+x detected by MuSR
• Microscopic co-existence of superconductivity and magnetism in Ba1-xKxFe2As2
• Charge Segregation, Cluster Spin-Glass and Superconductivity in La1.94Sr0.06CuO4
• The new versatile general purpose surface-muon instrument (GPS) based on silicon photomultipliers for $\mu$SR measurements on a continuous-wave beam
• Muon spin relaxation studies of magnetic order and superfluid density in antiferromagnetic NdOFeAs, BaFe2As2 and superconducting (Ba,K)Fe2As2
• High pressure research using muons at the Paul Scherrer Institute
• Pressure induced superconductivity in BaFe2As2 single crystal
• Coexistence of Superconductivity and Ferromagnetism in P-doped EuFe2As2
• Suppression of Magnetic Order by Pressure in BaFe2As2
• Mott-Hubbard transition in V2O3 revisited
• Self doping effect and successive magnetic transitions in superconducting Sr${}_2$VFeAsO${}_3$
• Superconductivity and ferromagnetism in EuFe${}_2$(As${}_{1-x}$P${}_x$)${}_2$
• Sr${}_2$VO${}_3$FeAs as Compared to Other Fe-based Superconductors
• Muon spin rotation study of magnetism and superconductivity in BaFe2-xCoxAs2 and Pr1-xSrxFeAsO
• Contrasting Pressure Effects in Sr2VFeAsO3 and Sr2ScFePO3
• Sr${}_2$VO${}_3$FeAs: A Nanolayered Bimetallic Iron Pnictide Superconductor
• Superconducting and magnetic phase diagram of RbEuFe4As4 and CsEuFe4As4 at high pressure
• Nanoscopic coexistence of magnetic and superconducting states within the FeAs layers of CeFeAsO1-xFx
• Magnetic Ordering in Blocking Layer and Highly Anisotropic Electronic Structure of High-Tc Iron-based Superconductor Sr2VFeAsO3: LDA+U Studies
• Suppression of superconductivity by V-doping and possible magnetic order in Sr2VO3FeAs
• Magnetic Ordering in V-Layers of the Superconducting System of Sr2VFeAsO3
• 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 Sr${}_2$VFeAsO${}_3$ revealed by ${}^{75}$As- and ${}^{51}$V-NMR under elevated pressures
• Weak magnetism and the Mott-state of vanadium in superconducting Sr2VO3FeAs
• Pressure Dependence of Superconducting Transition Temperature on Perovskite-Type Fe-Based Superconductors and NMR Study of Sr2VFeAsO3

Cited by in corpus (3)

• Perspective on the muon-spin rotation/relaxation under hydrostatic pressure
• Crossover of Superconductivity across the antiferromagnetic end point in FeSe${}_{1-\mathrm{x}}$S${}_{\mathrm{x}}$ under pressure
• Role of Vanadium-Oxide Layer in Electronic State of Sr${}_2$VFeAsO${}_{3-\delta }$ with Oxygen Deficiency