| Project/Area Number |
24651170
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| Research Category |
Grant-in-Aid for Challenging Exploratory Research
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| Allocation Type | Single-year Grants |
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| Research Field |
Microdevices/Nanodevices
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| Research Institution | Kyoto University |
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Principal Investigator |
KAKEYA Itsuhiro 京都大学, 工学(系)研究科(研究院), 准教授 (80302389)
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| Co-Investigator(Renkei-kenkyūsha) |
SUZUKI Minoru 京都大学, 工学研究科, 教授 (10314238)
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| Project Period (FY) |
2012-04-01 – 2014-03-31
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2013: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2012: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Keywords | テラヘルツ波 / 時間領域測定 / 超伝導ギャップ / 超伝導薄膜 / 渦糸状態 / 超伝導体薄膜 / テラヘルツ/赤外材料・素子 / ジョセフソン渦糸 / フォトニック結晶 / 超伝導材料・素子 |
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| Research Abstract |
This project devotes for a pioneering work to develop a research field of vortex photonic crystal, in which terahertz (10^12 Hz) electromagnetic wave can be manipulated by vortex lattices in type II superconductors. In order to do that, we grew superconducting thin film and measure terahertz time domain spectroscopy (THz-TDS). THz-TDS results in supercondutors with Tc below 10 K have revealed temperature dependencies of superconducting gap and complex conductivity. Furthermore, we have been successful in growing high-quality single-crystalline thin-films of a superconductor with small quantity of rare-earth elements for the first time. These achievements brought fundamental knowledge on low energy excitation in superconductors and technical background for manipulating terahertz electromagnetic waves
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