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Low-Frequency Imaginary Impedance at the Superconducting Transition of 2H-NbSe2

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Low-Frequency Imaginary Impedance at the Superconducting Transition of 2H-NbSe2

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dc.contributor.author	Perconte, D.
dc.contributor.author	Mañas Valero, Samuel
dc.contributor.author	Coronado Miralles, Eugenio
dc.contributor.author	Guillamón, Isabel
dc.contributor.author	Suderow, Hermann
dc.date.accessioned	2021-05-26T14:43:14Z
dc.date.available	2021-05-26T14:43:14Z
dc.date.issued	2020
dc.identifier.citation	Perconte, D. Mañas Valero, Samuel Coronado Miralles, Eugenio Guillamón, Isabel Suderow, Hermann 2020 Low-Frequency Imaginary Impedance at the Superconducting Transition of 2H-NbSe2 Physical Review Applied 13 5 054040-1 054040-9
dc.identifier.uri	https://hdl.handle.net/10550/79457
dc.description.abstract	The superconducting transition leads to a sharp resistance drop in a temperature interval that can be a small fraction of the critical temperature Tc. A superconductor exactly at Tc is thus very sensitive to all kinds of thermal perturbation, including the heat dissipated by the measurement current. We show that the interaction between electrical and thermal currents leads to a sizable imaginary impedance at frequencies of the order of tens of hertz at the resistive transition of single crystals of the layered material 2H-NbSe2.We explain the result using models developed for transition-edge sensors. By measuring under magnetic fields and at high currents, we find that the imaginary impedance is strongly influenced by the heat associated with vortex motion and out-of-equilibrium quasiparticles.
dc.language.iso	eng
dc.relation.ispartof	Physical Review Applied, 2020, vol. 13, num. 5, p. 054040-1-054040-9
dc.subject	Superconductivitat
dc.subject	Física
dc.title	Low-Frequency Imaginary Impedance at the Superconducting Transition of 2H-NbSe2
dc.type	journal article	es_ES
dc.date.updated	2021-05-26T14:43:14Z
dc.identifier.doi	10.1103/PhysRevApplied.13.054040
dc.identifier.idgrec	139096
dc.rights.accessRights	open access	es_ES