Nature Physics, volume 6, issue 8, pages 593-597
Implementation of superconductor/ferromagnet/ superconductor π-shifters in superconducting digital and quantum circuits
A K Feofanov
1
,
V.A. Oboznov
2
,
V V Bolginov
2
,
J Lisenfeld
1
,
S Poletto
1
,
V. V. Ryazanov
2
,
A. N. Rossolenko
2
,
M Khabipov
3
,
D Balashov
3
,
A B Zorin
3
,
P.N. Dmitriev
4
,
V P Koshelets
4
,
A. V. Ustinov
1
Publication type: Journal Article
Publication date: 2010-06-20
Journal:
Nature Physics
scimago Q1
SJR: 8.228
CiteScore: 30.4
Impact factor: 17.6
ISSN: 17452473, 17452481
General Physics and Astronomy
Abstract
Interrupting a superconducting loop with a thin ferromagnetic film creates a so-called π-Josephson junction that shifts the phase of a current flowing in the loop by 180°. A demonstration of the use of π-junctions in a variety of device structures suggests they could enable the development of a new class of superconducting logic circuits.
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