Controllable proximity effect in superconducting hybrid devices

S.V. Bakurskiy

Research output: ThesisPhD Thesis - Research UT, graduation UT

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This thesis is devoted to the study of controllable proximity effects in superconductors, both in terms of fundamental aspects and applications. As a part of this thesis theoretical description was suggested for a number of structures with superconducting electrodes and multiple interlayers. These structures include new physics related to the proximity effect. In spite of the fact, that the physical foundations of the proximity effect are well known and described in literature, the aim of this work is to find solutions for the problems of the superconducting electronics. All the phenomena considered in Chapters 1-4 are related to the study of proximity effect. In the Chapter 1 the prior consideration was given to proximity between ferromagnetic and normal layers inside weak link. This proximity effect determines the current redistribution between conductance channels across the junction. Chapters 2-3 were devoted to proximity of thin superconductive layer s with F-layer and bulk S-electrodes. The interaction with F-layer suppresses superconductivity in the interlayer while interaction with S-electrodes supports it. Thus a state of middle s-film is crucial for the operation of the whole structure. Finally in Chapter 4 the attention was focused on proximity effect between different lobes of p-wave order parameter connected with each other by rough surface. All the physical systems mentioned above have much similarity in the description. The study of proximity effect in these systems permits to develop more effective and controllable devices for superconductive electronics.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • University of Twente
  • Hilgenkamp, H., Supervisor
  • Golubov, A.A., Advisor
Award date27 Feb 2015
Place of PublicationEnschede
Print ISBNs978-90-365-3844-2
Publication statusPublished - 27 Feb 2015


  • METIS-309470
  • IR-94640


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