Controlling the proximity effect in a Co/Nb multilayer: the properties of electronic transport

Sergey Bakurskiy,
Mikhail Kupriyanov,
Nikolay V. Klenov,
Igor Soloviev,
Andrey Schegolev,
Roman Morari,
Yury Khaydukov and
Anatoli S. Sidorenko

Full Research Paper
Published 07 Sep 2020

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1. Figure 1: (a) Sketch of the investigated multilayer Co(1.5 nm)/Nb(6 nm)/Co(2.5 nm)/Nb(6 nm) structure. (b) Th...
  
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2. Figure 2: (a) Pair amplitude, Δ, in a S(F1sF2s)_x3F1 structure in different superconducting layers as a functi...
  
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3. Figure 3: (a) Pair amplitude, Δ, in a S(F1sF2s)_x3F1 structure in different superconducting layers as a functi...
  
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4. Figure 4: A micrograph (a) and a principal scheme (b) of the structure used for the critical temperature meas...
  
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5. Figure 5: Resistance as a function of the temperature (a) without an initial magnetization of the sample, at ...
  
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6. Figure 6: (a) The output current, i_out, of the inductive synapse versus the geometric inductance, l_p, and the...
  
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Beilstein J. Nanotechnol. 2020, 11, 1336–1345, doi:10.3762/bjnano.11.118

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Beyond Moore’s technologies: operation principles of a superconductor alternative

Igor I. Soloviev,
Nikolay V. Klenov,
Sergey V. Bakurskiy,
Mikhail Yu. Kupriyanov,
Alexander L. Gudkov and
Anatoli S. Sidorenko

Review
Published 14 Dec 2017

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1. Figure 1: Voltage pulse on a Josephson junction corresponding to a SFQ transition and its mechanical analogy ...
  
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2. Figure 2: Josephson transmission line. Josephson junctions are shown by crosses. I_b is the applied bias curre...
  
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3. Figure 3: An RSFQ logic cell coupled to a clocking JTL. I_b is the applied bias current. Blue arrows present c...
  
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4. Figure 4: RSFQ power supply scheme.
  
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5. Figure 5: ERSFQ power supply scheme. L_b is the inductance limiting the bias current variation.
  
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6. Figure 6: eSFQ power supply scheme. The dotted rectangle marks the decision-making pair.
  
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7. Figure 7: Realization of a dc bias voltage source in RSFQ circuitry.
  
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8. Figure 8: RQL ac power supply scheme. The blue arrow shows the SFQ current, violet arrows present magnetic co...
  
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9. Figure 9: RQL transmission line with four-phase bias. I_b1,b2 are ac bias currents providing the power supply ...
  
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10. Figure 10: Notional (left) and practical (right) schematic of a parametric quantron. The cell state is conditi...
  
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11. Figure 11: Potential energy of a parametric quantron U_PQ (Equation 2) (solid lines) and its terms: magnetic energy U_M (d...
  
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12. Figure 12: Logical state transfer in an array of magnetically coupled parametric quantrons under a driving cur...
  
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13. Figure 13: nSQUID-based adiabatic data bus and RSFQ data bus. Blue arrows show circulating currents, orange ar...
  
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14. Figure 14: Principal scheme of implementation of write and read operations in a circuit based on MJJ valve.
  
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15. Figure 15: Cross section of an SF-NFS MJJ with CPRs of its parts shifted in phase by π. Arrows show F-layer ma...
  
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16. Figure 16: Sketch of an orthogonal spin transfer (OST) device. Arrows show magnetization directions in the dev...
  
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