Scanning tunneling microscopy study on novel charge order of Bi-based high-T_c superconductor
Project/Area Number |
18340095
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Research Category |
Grant-in-Aid for Scientific Research (B)
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Allocation Type | Single-year Grants |
Section | 一般 |
Research Field |
Condensed matter physics II
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Research Institution | Hokkaido University |
Principal Investigator |
IDO Masayuki Hokkaido University, 大学院・理学研究院, 教授 (90111145)
|
Co-Investigator(Kenkyū-buntansha) |
MOMONO Naoki 室蘭工業大学, 大学院・工学研究科, 准教授 (00261280)
|
Project Period (FY) |
2006 – 2008
|
Project Status |
Completed (Fiscal Year 2008)
|
Budget Amount *help |
¥16,430,000 (Direct Cost: ¥15,200,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2008: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2007: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2006: ¥11,100,000 (Direct Cost: ¥11,100,000)
|
Keywords | 高温超伝導 / ビスマス系銅酸化物 / 走査トンネル顕微鏡 / 走査トンネル分光 / 超伝導ギャップ / 擬ギャップ / Bi2212 / 電荷秩序 / 高温超電導 / トンネル分光 |
Research Abstract |
本研究では、低バイアスSTMとSTS実験から、Bi系高温超伝導体における非分散性の2次元電荷秩序の性質と擬ギャップ及び超伝導ギャップとの関連性を詳細に調べた。その結果、アンタイノード領域の電子が関与する2次元電荷秩序が空間的に不均一な擬ギャップの起源であること、また、擬ギャップ領域にある試料では、ノード付近の電子(ホール)対ギャップが超伝導のエネルギースケールを決めていることを見出した。
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Report
(4 results)
Research Products
(56 results)
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[Journal Article] Anisotropic quasiparticle scattering rates in slightly underdoped to optimally dopedhigh-temperature La_<2-x>Sr_xCuO_4 superconductors2008
Author(s)
J. Chang, M. Shi, S. Pailhes, M. Mansson, T. Claesson, O. Tjernberg, A. Bendounan, Y. Sassa, L. Patthey, N. Momono, M. Oda, M. Ido, S. Guerrero, C. Mudry, and J.Mesot
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Journal Title
Phys. Rev. B 78
Pages: 205103-205107
Related Report
Peer Reviewed
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[Journal Article] Tuning competing orders in La_<2-x>Sr_xCuO_4 cuprate superconductors by the application of an external magnetic field2008
Author(s)
J. Chang, Ch. Niedermayer, R. Gilardi, N.B. Christensen, H.M. Ronnow, D.F.McMorrow, M. Ay, J. Stahn, O. Sobolev, A. Hiess, S. Pailhes, C. Baines, N.Momono, M. Oda, M. Ido, J. Mesot
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Journal Title
Phys. Rev.B 78
Pages: 104525-104529
Related Report
Peer Reviewed
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[Journal Article] Coherent d-wave superconducting gap in underdoped La_<2-x>Sr_xCuO_4 by angle-resolved photoemission spectroscopy2008
Author(s)
M. Shi, J. Chang, S. Pailhes, M. R.Norman, J. C. Campuzano, M. Mansson, T.Claesson, O. Tjernberg, A. Bendounan, L. Patthey, N. Momono, M. Oda, M. Ido,C.Mudry, J. Mesot
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Journal Title
Phys.Rev.Lett. 101
Pages: 47002-47005
Related Report
Peer Reviewed
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[Journal Article] Electronic structure near the1/8-anomaly in La-based cuprates2008
Author(s)
J. Chang, Y. Sassa, S. Suerrero, M.Mansson, M. Shi, S. Pailhes, A.Bendounan, R. Mottl, T. Claesson, O.Tjernberg, L. Patthey, M, Ido, M. Oda, N. Momono, C. Mudry, J. Mesot
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Journal Title
New Journal of Physics 10
Pages: 103016-103016
Related Report
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[Journal Article] On-board sample cleaver2007
Author(s)
M. Mansson, T. Claesson, U. O. Karlsson, O. Tjernberg, S. Pailhes, J. Chang, J.Mesot, M. Shi, L. Patthey, N. Momono, M. Oda, M. Ido
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Journal Title
Review of Scientific Instruments 78
Pages: 76103-76103
Related Report
Peer Reviewed
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[Journal Article] A. Schnyder, C. Mudry, J. Mesot,When low-and high-energy electronic responses meet in cuprate superconductors2007
Author(s)
J. Chang, S. Pailhes, M. Shi, M. Mansson, T. Claesson, O. Tjernberg, J. Voigt, V.Perez, L. Patthey, N. Momono, M. Oda, M. Ido
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Journal Title
Phys. Rev. B 75
Pages: 224508-224513
Related Report
Peer Reviewed
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[Journal Article] Magnetic-field-induced spin excitations and renormalized spin gapof the underdoped La_<1.895>Sr_<0.105>CuO_4 superconductor2007
Author(s)
J. Chang, A. P. Schnyder, R. Gilardi, H.M. Ronnow, S. Pailhes, N. B. Christensen, Ch. Niedermayer, D. McMorrow, A. Hiess, A. Stunault, M.Enderle, B. Lake, O. Sobolev, N. Momono,M. Oda, M. Ido, C. Mudry, J. Mesot
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Journal Title
Phys. Rev. Lett. 98
Pages: 77004-77007
Related Report
Peer Reviewed
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[Journal Article] Muons as local probes of three body correlations in the mixed state of type-II superconductors2006
Author(s)
G. I. Menon, A. J. Drew, U. K. Divarkar, S. L. Lee, R. Giladi, J. Mesot, F. Y.Ogrin, D. Charakambous, E. M. Forgan, N. Momono, M. Oda, C. Dewhurst and C.Baines
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Journal Title
Phys. Rev. Lett. 97
Pages: 177004-177007
Related Report
Peer Reviewed
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[Journal Article]
Author(s)
A. J. Drew, D. O. G. Heron, U. K., Divarkar, S. L. Lee, R. Giladi, J. Mesot, F. Y. Ogrin, D. Charakambous, N. Momono and M. Oda
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Journal Title
Physica B 374
Pages: 203-206
Related Report
Peer Reviewed
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