| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Outline of Final Research Achievements |
In this study, we investigated characteristics of the superconducting phase shift elements with arbitrary values based on magnetic Josephson pi-junctions to develop superconducting phase shift technologies which are useful for superconducting digital circuits. Furthermore, we studied the effects of an introduction of the elements on the operation and performance of the circuits, and found that control of the polarity of the phase shift of them is crucial. We also developed a novel Josephson tunnel junction with a superconducting NbTiN material which has a long magnetic penetration depth effective in miniaturization of the elements.
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