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23 papers · 1 filter
Vortex Pinning in Niobium covered by a thin polycrystalline Gold
Wenbin Li, Ivan Villani, Ylea Vlamidis +11
Owing to its superconducting properties, Niobium (Nb) is an excellent candidate material for superconducting electronics and applications in quantum technology. Here we perform sca…
Destroying superconductivity in thin films with an electric field
Andrea Amoretti, Daniel K. Brattan, Nicodemo Magnoli +3
In this paper we use a Ginzburg-Landau approach to show that a suitably strong electric field can drive a phase transition from a superconductor to a normal metal. The transition i…
Absence of nematic instability in LiFeAs
Michael Wissmann, Federico Caglieris, Xiaochen Hong +5
The relationship between unconventional superconductivity, antiferromagnetism and nematic order in iron-based superconductors (FeSCs) is still highly debated. In many FeSCs superco…
Sauter-Schwinger effect in a Bardeen-Cooper-Schrieffer superconductor
Paolo Solinas, Andrea Amoretti, Francesco Giazotto
From the sixties a deep and surprising connection has followed the development of superconductivity and quantum field theory. The Anderson-Higgs mechanism and the similarities betw…
Influence of substrate type on transport properties of superconducting FeSe0.5Te0.5 thin films
Feifei Yuan, Kazumasa Iida, Marco Langer +8
FeSe0.5Te0.5 thin films were grown by pulsed laser deposition on CaF2, LaAlO3 and MgO substrates and structurally and electro-magnetically characterized in order to study the influ…
Slow magnetic fluctuations and superconductivity in fluorine-doped NdFeAsO
G. Lamura, T. Shiroka, P. Bonfà +7
Among the widely studied superconducting iron-pnictide compounds belonging to the Ln1111 family (with Ln a lanthanide), a systematic investigation of the crossover region between t…