---
_id: '4200'
abstract:
- lang: eng
text: "We studied the Fulde-Ferrell-Larkin-Ovchinnikov-type state established due
to the proximity effect in superconducting\r\nNb/Cu_41Ni_59 bilayers. Using a
special wedge-type deposition technique, series of 20–35\r\nsamples could be fabricated
by magnetron sputtering during one run. The layer thickness of only a few\r\nnanometers,
the composition of the alloy, and the quality of interfaces were controlled by
Rutherford backscattering\r\nspectrometry, high-resolution transmission electron
microscopy, and Auger spectroscopy. The magnetic\r\nproperties of the ferromagnetic
alloy layer were characterized with superconducting quantum interference\r\ndevice
magnetometry. These studies yield precise information about the thickness and
demonstrate the homogeneity\r\nof the alloy composition and magnetic properties
along the sample series. The dependencies of the\r\ncritical temperature on the
Nb and Cu41Ni59 layer thickness, T_c(d_S) and T_c(d_F), were investigated for
constant\r\nthickness d_F of the magnetic alloy layer and d_S of the superconducting
layer, respectively. All types of\r\nnonmonotonic behaviors of T_c versus d_F
predicted by the theory could be realized experimentally, from\r\nreentrant superconducting
behavior with a broad extinction region to a slight suppression of superconductivity\r\nwith
a shallow minimum. Even a double extinction of superconductivity was observed,
giving evidence for the\r\nmultiple reentrant behavior predicted by theory. All
critical temperature curves were fitted with suitable sets of\r\nparameters. Then,
T_c(d_F) diagrams of a hypothetical ferromagnet/superconductor/ferromagnet spin-switch
core\r\nstructure were calculated using these parameters. Finally, superconducting
spin-switch fabrication issues are\r\ndiscussed in detail in view of the achieved
results."
article_number: '054517'
article_type: original
author:
- first_name: V. I.
full_name: Zdravkov, V. I.
last_name: Zdravkov
- first_name: J.
full_name: Kehrle, J.
last_name: Kehrle
- first_name: G.
full_name: Obermeier, G.
last_name: Obermeier
- first_name: S.
full_name: Gsell, S.
last_name: Gsell
- first_name: M.
full_name: Schreck, M.
last_name: Schreck
- first_name: C.
full_name: Müller, C.
last_name: Müller
- first_name: H.-A.
full_name: Krug von Nidda, H.-A.
last_name: Krug von Nidda
- first_name: Jörg
full_name: Lindner, Jörg
id: '20797'
last_name: Lindner
- first_name: J.
full_name: Moosburger-Will, J.
last_name: Moosburger-Will
- first_name: E.
full_name: Nold, E.
last_name: Nold
- first_name: R.
full_name: Morari, R.
last_name: Morari
- first_name: V. V.
full_name: Ryazanov, V. V.
last_name: Ryazanov
- first_name: A. S.
full_name: Sidorenko, A. S.
last_name: Sidorenko
- first_name: S.
full_name: Horn, S.
last_name: Horn
- first_name: R.
full_name: Tidecks, R.
last_name: Tidecks
- first_name: L. R.
full_name: Tagirov, L. R.
last_name: Tagirov
citation:
ama: Zdravkov VI, Kehrle J, Obermeier G, et al. Reentrant superconductivity in superconductor/ferromagnetic-alloy
bilayers. Physical Review B. 2010;82(5). doi:10.1103/physrevb.82.054517
apa: Zdravkov, V. I., Kehrle, J., Obermeier, G., Gsell, S., Schreck, M., Müller,
C., … Tagirov, L. R. (2010). Reentrant superconductivity in superconductor/ferromagnetic-alloy
bilayers. Physical Review B, 82(5). https://doi.org/10.1103/physrevb.82.054517
bibtex: '@article{Zdravkov_Kehrle_Obermeier_Gsell_Schreck_Müller_Krug von Nidda_Lindner_Moosburger-Will_Nold_et
al._2010, title={Reentrant superconductivity in superconductor/ferromagnetic-alloy
bilayers}, volume={82}, DOI={10.1103/physrevb.82.054517},
number={5054517}, journal={Physical Review B}, publisher={American Physical Society
(APS)}, author={Zdravkov, V. I. and Kehrle, J. and Obermeier, G. and Gsell, S.
and Schreck, M. and Müller, C. and Krug von Nidda, H.-A. and Lindner, Jörg and
Moosburger-Will, J. and Nold, E. and et al.}, year={2010} }'
chicago: Zdravkov, V. I., J. Kehrle, G. Obermeier, S. Gsell, M. Schreck, C. Müller,
H.-A. Krug von Nidda, et al. “Reentrant Superconductivity in Superconductor/Ferromagnetic-Alloy
Bilayers.” Physical Review B 82, no. 5 (2010). https://doi.org/10.1103/physrevb.82.054517.
ieee: V. I. Zdravkov et al., “Reentrant superconductivity in superconductor/ferromagnetic-alloy
bilayers,” Physical Review B, vol. 82, no. 5, 2010.
mla: Zdravkov, V. I., et al. “Reentrant Superconductivity in Superconductor/Ferromagnetic-Alloy
Bilayers.” Physical Review B, vol. 82, no. 5, 054517, American Physical
Society (APS), 2010, doi:10.1103/physrevb.82.054517.
short: V.I. Zdravkov, J. Kehrle, G. Obermeier, S. Gsell, M. Schreck, C. Müller,
H.-A. Krug von Nidda, J. Lindner, J. Moosburger-Will, E. Nold, R. Morari, V.V.
Ryazanov, A.S. Sidorenko, S. Horn, R. Tidecks, L.R. Tagirov, Physical Review B
82 (2010).
date_created: 2018-08-28T12:22:11Z
date_updated: 2022-01-06T07:00:34Z
ddc:
- '530'
department:
- _id: '15'
doi: 10.1103/physrevb.82.054517
extern: '1'
file:
- access_level: closed
content_type: application/pdf
creator: hclaudia
date_created: 2018-08-28T12:23:29Z
date_updated: 2018-08-28T12:23:29Z
file_id: '4201'
file_name: Reentrant superconductivity in superconductor-ferromagnetic-alloy bilayers.pdf
file_size: 723266
relation: main_file
success: 1
file_date_updated: 2018-08-28T12:23:29Z
has_accepted_license: '1'
intvolume: ' 82'
issue: '5'
language:
- iso: eng
publication: Physical Review B
publication_identifier:
issn:
- 1098-0121
- 1550-235X
publication_status: published
publisher: American Physical Society (APS)
status: public
title: Reentrant superconductivity in superconductor/ferromagnetic-alloy bilayers
type: journal_article
user_id: '55706'
volume: 82
year: '2010'
...