Superconducting Materials

Krauth, H.; Schlenga, K.; Nardelli, Davide; Pallecchi, I.; Tropeano, M.; Hott, R.; Wolf, Thomas; Putti, M.

doi:10.1002/9783527670635.ch2

Cited by 2 publications

(2 citation statements)

References 387 publications

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“…In systems with vortexdominated dissipation, a maximum of Jc/J0∼0.2-0.25 37 has been achieved, so A~1. For defects of diverse morphology, we obtain an estimate for A empirically using a wealth of…”

Section: Up(thmentioning

confidence: 99%

Universal lower limit on vortex creep in superconductors

et al. 2017

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The search for a universal description of vortex matter -one that is applicable to a range of systems and regimes -is a formidable challenge, complicated by the complexity of the interactions between vortices and the environment. Vortex motion that can be induced by Magnus and Lorentz forces or thermal activation can also be counteracted by pinning forces. Because vortex cores are normal (i.e., superfluidity or superconductivity is destroyed inside them), creating a vortex costs energy, and pinning can occur when it is energetically more favorable for a vortex to appear in one location than in another. In type-II superconductors at high enough magnetic fields, vortices are formed by the penetration of magnetic flux, and material disorder that locally reduces the vortex core energy can produce pinning forces that almost completely preclude vortex motion. This results in nearly zero resistance, as long as the current density (J) does not exceed the critical current density (Jc). The caveat is that, for J

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Section: Up(thmentioning

confidence: 99%

Universal lower limit on vortex creep in superconductors

et al. 2017

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“…Over the last decades strongly correlated transition metal oxides have attracted enormous attention [1][2][3][4][5][6] . In 4d transition metal oxides especially the discovery of the possible occurrence of spin-triplet p-wave superconductivity in ruthenates triggered a lot of research activity 7,8 .…”

Section: Introductionmentioning

confidence: 99%

Single-crystal growth and physical properties of 50% electron-doped rhodate Sr1.5La0.5RhO4

Guo

et al. 2017

Phys. Rev. Materials

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Centimeter-sized single crystals of Sr 1.5 La 0.5 RhO 4 were grown by the floating zone method at oxygen pressures of 20 bar. The quality of our single crystals was confirmed by X-ray Laue, powder and single crystal X-ray diffraction, neutron and X-ray absorbtion spectroscopy measurements. At ∼50% electron doping we observe RhO 3 octahedral rotations of ∼8.2• within the octahedral basal plane which are incompatible with space group I4/mmm. Our single crystal was further characterized by susceptibility, electrical transport and, finally, specific heat measurements showing a temperature dependent Debye temperature.

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Superconducting Materials

Cited by 2 publications

References 387 publications

Universal lower limit on vortex creep in superconductors

Universal lower limit on vortex creep in superconductors

Single-crystal growth and physical properties of 50% electron-doped rhodate Sr1.5La0.5RhO4

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