First-principles calculation of the superconducting transition temperature: Developing the method for electronic properties towards the exchange effects
Project/Area Number |
15K20940
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Research Category |
Grant-in-Aid for Young Scientists (B)
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Allocation Type | Multi-year Fund |
Research Field |
Condensed matter physics II
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Research Institution | The University of Tokyo |
Principal Investigator |
AKASHI Ryosuke 東京大学, 大学院理学系研究科(理学部), 助教 (40734356)
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Project Period (FY) |
2015-04-01 – 2018-03-31
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Project Status |
Completed (Fiscal Year 2017)
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Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2015: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
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Keywords | 計算物理学 / 高温超伝導 |
Outline of Final Research Achievements |
The resistivity of metals drops to zero when cooled down to extremely low temperature. A simulation method for the possible temperature where this superconducting phenomenon occurs (Tc) using only the crystal structure of the material will enable us efficient exploration of high-temperature superconductors. In this project, we have developed such method to calculate Tc from the first-principles. The major results are as follows: 1) Extension of the method to include the effect of ferromagnetic fluctuation on Tc 2) Elucidation of the origin of the recently discovered high-Tc superconductivity in compressed hydrogen sulfide. These results yielded a) international projects using the developed method and b) a general theory to control a specific electronic property. These outcomes are utilizable for future exploration of the superconducting materials and study on possible mechanisms for high Tc.
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Report
(4 results)
Research Products
(44 results)
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[Journal Article] Aromatic hydrocarbon macrocycles for highly efficient organic light-emitting devices with single-layer architectures2016
Author(s)
J. Y. Xue, T. Izumi, A. Yoshii, K. Ikemoto, T. Koretsune, R. Akashi, R. Arita, H. Taka, H. Kita, S. Sato, H. Isobe
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Journal Title
Chemical Science
Volume: 7
Issue: 2
Pages: 896-896
DOI
Related Report
Peer Reviewed / Open Access / Int'l Joint Research
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