High upper critical field (120 T) with small anisotropy of highly hydrogen-substituted SmFeAsO epitaxial film

Abstract

The electronic transport properties of a highly hydrogen-substituted 1111-type SmFeAsO epitaxial film with high critical-temperature (Tc = 45 K) were investigated under high magnetic fields. By using a single-turn magnet generating up to 130 T, we clarified that the upper critical field (μ0Hc2) of SmFeAsO0.65H0.35 is 120 T at the nearly low-temperature limit of 2.2 K for μ0H || ab. The angular dependence of μ0Hc2 revealed that the anisotropic parameter (γ) around Tc is ~2, which is comparable with that of a practical candidate 122-type BaFe2As2 with lower Tc and much smaller than that of F-substituted SmFeAsO. The small γ mainly originates from the high hydrogen incorporation. The extremely high μ0Hc2 and small γ, together with the high Tc and high critical current density, suggest that SmFeAsO1-xHx has high potential for the superconducting electromagnets and cables.

References in corpus (32)

• Superconductivity at 38 K in the iron arsenide (Ba1-xKx)Fe2As2
• Nearly Isotropic superconductivity in (Ba,K)Fe2As2
• Recent advances in iron-based superconductors toward applications
• Small anisotropy, weak thermal fluctuations, and high field superconductivity in Co-doped iron pnictide Ba(Fe1-xCox)2As2
• Carbon substitution in MgB2 single crystals: structural and superconducting properties
• Two-dome structure in electron-doped iron arsenide superconductors
• Anisotropy of the Upper Critical Field and Critical Current in Single Crystal MgB${}_2$
• Limits of the upper critical field in dirty two-gap superconductors
• Critical Fields and Anisotropy of NdO0.82F0.18FeAs Single Crystals
• An Overview of the Basic Physical Properties of MgB${}_2$
• Weak anisotropy of the superconducting upper critical field in Fe1.11Te0.6Se0.4 single crystals
• Comparative High Field Magneto-Transport of Rare Earth Oxypnictides with Maximum Transition Temperatures
• Single crystals of LnFeAsO1-xFx (Ln=La, Pr, Nd, Sm, Gd) and Ba1-xRbxFe2As2: growth, structure and superconducting properties
• Anisotropy of the upper critical field in a Co-doped BaFe2As2 single crystal
• Hydrogen in layered iron arsenide: indirect electron doping to induce superconductivity
• Anisotropic upper critical field and a possible Fulde-Ferrel-Larkin-Ovchinnikov state in a stoichiometric pnictide superconductor LiFeAs
• Evidence for Three-Dimensionality in the Fermi Surface Topology of Layered Electron Doped Ba(Fe1-XCox)2As2 Iron Superconductors
• Evidence for an FFLO state with segmented vortices in the BCS-BEC-crossover superconductor FeSe
• Two-gap and paramagnetic pair-breaking effects on upper critical field of SmFeAsO${}_{0.85}$ and SmFeAsO${}_{0.8}$F${}_{0.2}$ single crystals
• First Homologous Series of Iron Pnictide Oxide Superconductors (Fe2As2)(Can+1(Sc,Ti)nOy) [n = 3,4,5] with Extremely Thick Blocking Layers
• Fe-based superconducting thin films on metallic substrates: growth, characteristics and relevant properties
• The upper critical field and its anisotropy in LiFeAs
• Universal behavior of the upper critical field in iron based superconductors
• Upper critical field and thermally activated flux flow in single crystalline Tl${}_{0.58}$Rb${}_{0.42}$Fe${}_{1.72}$Se${}_2$
• A large moment antiferromagnetic order in overdoped high-Tc superconductor 154SmFeAsO1-xDx
• Superconductivity at 48 K of heavily hydrogen-doped SmFeAsO epitaxial films grown by topotactic chemical reaction using CaH2
• Influence of disorder on Hc2-anisotropy and flux pinning in MgB2
• Enhancing the three-dimensional electronic structure in 1111-type iron arsenide superconductors by H-substitution
• Upper critical magnetic field in Ba_0.68K_0.32Fe_2As_2 and Ba(Fe_0.93Co_0.07)_2As_2
• Heavily Hydride-ion-doped 1111-type Iron-based Superconductors: Synthesis, Physical Properties and Electronic Structure
• High $J_{\mathrm{c}}$ and low anisotropy of hydrogen doped NdFeAsO superconducting thin film
• Inter- to Intra-Layer Resistivity Anisotropy of NdFeAs(O,H) with Various Hydrogen Concentrations

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