| Project/Area Number |
23340110
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Condensed matter physics II
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| Research Institution | National Institute of Advanced Industrial Science and Technology |
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Principal Investigator |
TAKESHITA Nao 独立行政法人産業技術総合研究所, 電子光技術研究部門, 主任研究員 (60292760)
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| Co-Investigator(Kenkyū-buntansha) |
YAMAMOTO Ayako 独立行政法人理化学研究所, 創発物性科学研究センター, 上級研究員 (50398898)
ISHIKADO Motoyuki 一般財団法人総合科学研究機構, 総合科学研究センター(総合科学研究室)および東海事業センター, 技師 (90513127)
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| Co-Investigator(Renkei-kenkyūsha) |
IYO Akira 独立行政法人産業技術総合研究所, 電子光技術研究部門, 上級主任研究員 (50356523)
EISAKI Hiroshi 独立行政法人産業技術総合研究所, 電子光技術研究部門, 超伝導エレクトロニクスグループ長 (20242018)
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Project Status |
Completed (Fiscal Year 2013)
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| Budget Amount *help |
¥15,210,000 (Direct Cost: ¥11,700,000、Indirect Cost: ¥3,510,000)
Fiscal Year 2013: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2012: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Fiscal Year 2011: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
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| Keywords | 高温超伝導 / 異方的圧力 / 圧力 / 多層系銅酸化物高温超伝導体 / 超伝導 / 高圧力 / キュービックアンビル型高圧装置 / 銅酸化物高温超伝導体 / 鉄砒素系高温超伝導体 |
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| Research Abstract |
We have developed an experimental technique which enable us to generate "homogeneous uniaxial high pressre" by using cubic anvil type high pressure apparatus. We have succeeded in generating 'effective' uniaxial high pressure by contriving the shape of specimen, which is set in the sample space in cubic anvils. We have confirmed uniaxiality by observing pressure induced superconductivity in BaFe2As2. Because of difficulties in synthesis for single crystals of mercury based high-Tc cuprate, we can not perform same uniaxial pressure study in cuprates. However, we observed superconductivity in Hg-1223 polycrystal at isotropical high presssure as a comparison experiment for uniaxial high pressure measument, then we succeeded in observation for the highest bulk superconducting transition temperature with zero resistivity ever reported(Tc=153K at P=15GPa).
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