2012 Fiscal Year Final Research Report
Study on the newly discovered 80 K-class superconductivity in high-temperature cuprate superconductors
| Project/Area Number |
22540362
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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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 | University of Tsukuba |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
KADOWAKI Kazuo 筑波大学, 数理物質系, 教授 (00272170)
IKEDA Hiroshi 筑波大学, 数理物質系, 准教授 (50272167)
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| Project Period (FY) |
2010 – 2012
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| Keywords | 高温超伝導 |
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| Research Abstract |
We succeeded in the present project that the transition temperature (T_c) of the hole-doped cuprate superconductors in Bi-2201 phase was raised up to 86.5 K by partial substitution of Ca for Sr in zero-resistance temperature. The origin of the higher T_c is clarified due to the elongation of the Cu-apical oxygen distance (d_A) for the Ca-doped compounds. The correlation between T_c and d_A was found for whole hole-doped cuprate superconductors.
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Research Products
(9 results)
