European roadmap on superconductive electronics – status and perspectives

Anders, S.; Blamire, M. G.; Buchholz, F.-I.; Crété, Denis; Cristiano, R.; Febvre, Pascal; Fritzsch, L.; Herr, Anna; Il’ichev, É. A.; Kohlmann, J.; Kunert, J.; Meyer, H.‐G.; Niemeyer, J.; Ortlepp, T.; Rogalla, Horst; Schurig, T.; Siegel, M.; Stolz, R.; Tarte, E.J.; Brake, H.J.M. ter; Toepfer, Hannes; Villégier, Jean-Claude; Zagoskin, A. M.; Zorin, A. B.

doi:10.1016/j.physc.2010.07.005

Cited by 140 publications

(88 citation statements)

References 185 publications

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“…A RF power of 6.4 W/in. 2 was used in order to obtain a low deposition rate and improve the control and quality of the insulating barrier. The chamber pressure before deposition was a)…”

mentioning

confidence: 99%

Structural and transport characterization of ultra thin Ba0.05Sr0.95TiO3 layers grown over Nb electrodes for the development of Josephson junctions

Sirena

Avilés-Félix

Vera

et al. 2012

Applied Physics Letters

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A phenomenological approach was used to obtain critical information about the structure and electrical properties of ultra thin Ba0.05Sr0.95TiO3 (BSTO) layers over Nb electrodes. The method allows, in a simple way, to study and to optimize the growth of the barrier in order to improve the performance and application of Josephson junctions. A very good control of the layer thickness with a low roughness was achieved during the deposition process. The BSTO layers present an energy barrier of 0.6 eV and an attenuation length of 0.4 nm, indicating its good insulating properties for the development of Josephson junctions with improved performance.

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“…A RF power of 6.4 W/in. 2 was used in order to obtain a low deposition rate and improve the control and quality of the insulating barrier. The chamber pressure before deposition was a)…”

mentioning

confidence: 99%

Structural and transport characterization of ultra thin Ba0.05Sr0.95TiO3 layers grown over Nb electrodes for the development of Josephson junctions

Sirena

Avilés-Félix

Vera

et al. 2012

Applied Physics Letters

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“…The 1/R dependence of F mv will be modified if we account for the Meissner currents induced in the SC thin film by the stray fields, H s . Within the London approximation, the analytical formula for the force on the vortex in the gap region is [9]: (2) where dq , λ eff =λ 2 /d and dt , and dt are cosine and sine integrals.…”

Section: A Transverse Polarization Of Py Stripesmentioning

confidence: 99%

“…Development of new low power micro-circuitry is a crucial requirement for future digital information technologies [1][2][3][4][5][6]. Superconducting materials capable of transferring electric signals without dissipation provide a potential solution towards this goal.…”

Section: Introductionmentioning

confidence: 99%

Manipulating Abrikosov vortices with soft magnetic stripes

Vlasko-Vlasov

Colauto

Buzdin³

et al. 2017

Phys. Rev. B

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Tuning the polarization of a periodic array of magnetic stripes on top of a superconducting film allows control of Abrikosov vortex motion. Using direct magneto-optical imaging of the vortex patterns, we demonstrate that the proximity of the magnetic stripe ends to the edges of the superconducting film can strongly alter the vortex dynamics. We observe qualitatively different vortex behavior when the stripes overlap with the film edges. From the resulting unique magnetic flux patterns, we calculate the magnetic pinning strength of our stripe array and study effects of the modified edge barrier on vortex guidance and gating that result from different polarizations of the stripes .

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“…The second is aimed for the application of single flux quantum (SFQ) circuits -digital superconducting electronics [4]. The SFQ technology is provided in frame of the IPHT-based FLUXONICS Foundry [5] -a strategic development based on the European roadmap of superconductive electronics [6]. Parameters of these processes are presented in Table 1.…”

Section: Low-t C Junctionsmentioning

confidence: 99%

Examples of superconducting technology application: Sensing and interfacing

Kunert

IJsselsteijn

Il’ichev

et al. 2017

Low Temperature Physics

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Technological processes for the fabrication of low-and high-T c Josephson junctions, aimed for certain applications, are described. On the one hand, the integration of low-T c superconductor digital electronics with superconducting sensor arrays enables input signal processing with quantum limited resolution at millikelvin temperatures. We describe this mixed signal superconductor technology for analogue sensor readout and signal multiplexing for operating temperatures down to 300 mK. On the other hand, by making use of modern high-T c Josephson junction technology, sensitive magnetometers, which require a modest cooling power, can be developed. Examples of the application of the mentioned processes are shown.

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European roadmap on superconductive electronics – status and perspectives

Cited by 140 publications

References 185 publications

Structural and transport characterization of ultra thin Ba0.05Sr0.95TiO3 layers grown over Nb electrodes for the development of Josephson junctions

Structural and transport characterization of ultra thin Ba0.05Sr0.95TiO3 layers grown over Nb electrodes for the development of Josephson junctions

Manipulating Abrikosov vortices with soft magnetic stripes

Examples of superconducting technology application: Sensing and interfacing

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