Unusual Enhancement of Normal and Superconducting State Properties of (100-x)YBa2Cu3O7-δ + xNi (x = 1, 2.5, 5, 7.5, 10, and 15 wt%) Composites with Low Level of Ni Additives
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Superconductivity and Novel Magnetism"
DOI: 10.1007/s10948-019-05245-y
Abstract: Samples of superconducting composite (100-x)YBa2Cu3O7-δ + xNi (x = 1, 2.5, 5, 7.5, 10, and 15 wt%) were synthesized via solid state reaction method. Scanning electron microscope (SEM) images revealed that the grain size of… read more here.
Keywords: state; 100 yba2cu3o7; unusual enhancement; yba2cu3o7 xni ... See more keywords
Higher-Order Topology in the Superconducting State of Nodal-Line Spin-Gapless Semimetals
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DOI: 10.1007/s10948-021-06022-6
Abstract: We study the topological properties of a nodal-line spin gapless semimetal superconductor. In the normal state, the low energy states are completely spin polarized so that the $$p+ip$$ -wave pairing symmetry is considered. In the… read more here.
Keywords: state; line spin; spin gapless; nodal line ... See more keywords
Influence of strong-coupling and retardation effects on superconducting state in YB6 compound
Sign Up to like & getrecommendations! Published in 2018 at "Physica B: Condensed Matter"
DOI: 10.1016/j.physb.2018.07.025
Abstract: Abstract In the framework of strong-coupling formalism, we have calculated the thermodynamic parameters of superconducting state in the YB6 compound. The values of critical temperature (TC) are 9.5 K and 7.9 K for the Coulomb pseudopotential μ⋆ = 0.1… read more here.
Keywords: coupling retardation; state yb6; retardation effects; yb6 compound ... See more keywords
Nematic superconducting state in iron pnictide superconductors
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DOI: 10.1038/s41467-017-02016-y
Abstract: Nematic order often breaks the tetragonal symmetry of iron-based superconductors. It arises from regular structural transition or electronic instability in the normal phase. Here, we report the observation of a nematic superconducting state, by measuring… read more here.
Keywords: state iron; superconducting state; plane; nematic superconducting ... See more keywords
Effect of gap anisotropy on the spin resonance peak in the superconducting state of iron-based materials
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.104510
Abstract: Spin resonance in the superconducting state of Fe-based materials within the multiorbital model with unequal anisotropic gaps on different Fermi surface sheets is studied. On the basis of the model gap function and the one… read more here.
Keywords: gap; resonance; resonance peak; spin resonance ... See more keywords
Thermodynamic Properties of Superconducting State in Intercalated Bilayer Graphene
Sign Up to like & getrecommendations! Published in 2020 at "Acta Physica Polonica A"
DOI: 10.12693/aphyspola.137.776
Abstract: To this day, no evidence of superconducting state in monolayer graphene has been observed. However, the easily manageable two dimensional structure of graphene through almost freely doping allows to change the properties of the structure.… read more here.
Keywords: state; thermodynamic properties; graphene; bilayer ... See more keywords
Reduction of the 17O Knight Shift in the Superconducting State and the Heat-up Effect by NMR Pulses on Sr2RuO4
Sign Up to like & getrecommendations! Published in 2020 at "Journal of the Physical Society of Japan"
DOI: 10.7566/jpsj.89.034712
Abstract: Quite recently, a pronounced drop of $^{17}$O NMR Knight shift in the superconducting (SC) state of an unstrained Sr$_2$RuO$_4$ was reported by Pustogow and Luo ${\it et al.}$ They revealed such behavior from the free-induction… read more here.
Keywords: shift superconducting; superconducting state; heat effect; state ... See more keywords