Checkerboard charge order and pseudogap inhigh-Tc cuprate superconductors investigated by STM/STS

2008 Fiscal Year Final Research Report

• Project/Area Number: 18540332
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Condensed matter physics II
• Research Institution: Muroran Institute of Technology (2007-2008); Hokkaido University (2006)
• Principal Investigator: MOMONO Naoki Muroran Institute of Technology, 工学部, 准教授 (00261280)
• Project Period (FY): 2006 – 2008
• Keywords: 銅酸化物高温超伝導 / 擬ギャップ / 電荷秩序 / 走査トンネル顕微鏡 / 走査トンネル分光

Research Abstract

銅酸化物高温超伝導体の超伝導発現機構を明らかにする上で、擬ギャップとチェッカーボード型電荷秩序の関連性を明らかにすることは大変重要である。本研究では, 走査トンネル顕微鏡・分光(STM/STS)を主に用いて、両者の関係および性質について詳しく調べた。その結果、(1)擬ギャップ状態でのチェッカーボード型電荷秩序は超伝導状態での電荷秩序と同様な性質を持つこと、(2)(電荷秩序の形成や擬ギャップに関係する)アンチノード付近のエネルギーギャップが少量の不純物の添加により大きく抑制されることが明らかとなった。

Research Products

• [Journal Article] Electronic Raman Scattering in Zn-doped Bi2Sr2CaCu2O8+δ (2009)
  • Author(s): N. Momono, T. Kurosawa, M. Naito, M. Oda, M. Ido, Y. Aamakai, H. Takano, S. Murayama and A. Sakai
  • Journal Title: Journal of Physics : Conference Series 150 Pages: 052167-052170
  • Peer Reviewed
• [Journal Article] Fermi-arc superconductivity pseudogap and charge order in Bi_2Sr_2CaCu_2O_8 (2009)
  • Author(s): T. Kurosawa, M. Oda, Y. H. Liu, K. Takeyama, N. Momono and M. Ido
  • Journal Title: J. Phys. & Chem. Of Solids 69 Pages: 2265-2267
  • Peer Reviewed
• [Journal Article] STM/STS study in the stripe-ordered state of La_<2-x-y>Nd_ySr_xCuO_4(x=1/8, y~0.4) (2008)
  • Author(s): N. Momono, T. Kurosawa, T. Endo, K. Kurusu, K. Takeyama, M. Oda and M. Ido
  • Journal Title: J. Phys. & Chem. Of Solids 69 Pages: 3031-3033
  • Peer Reviewed
• [Journal Article] STM/STS study on nondispersive checkerboard superstructure in superconducting Bi2212 and La-Bi2201 (2008)
  • Author(s): M. Ido, T. Yoneyama, Y.H. Liu, Y. Takano, N. Momono and M. Oda
  • Journal Title: J. Phys. & Chem. of Solids 69 Pages: 3006-3010
  • Peer Reviewed
• [Journal Article] On the electronic inhomogeneity of underdoped Bi_2Sr_2CaCu_2O_8 (2008)
  • Author(s): Y. H. Liu, K. Takeyama, T. Kurosawa, N. Momono, M. Oda and M. Ido
  • Journal Title: J. Phys. & Chem. of Solids 69 Pages: 3039-3041
  • Peer Reviewed
• [Journal Article] Anisotropic quasiparticle scattering rates in slightly underdoped to optimally doped high-temperature La_<2-x>Sr_xCuO_4 superconductors (2008)
  • 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
  • Journal Title: Phys. Rev. B 78 Pages: 205103-205107
  • Peer Reviewed
• [Journal Article] Direct observation of the coexistence of the pseudogap and superconducting quasiparticles in Bi_2Sr_2CaCu_2O_<8+y> by time-resolved optical spectroscopy (2008)
  • Author(s): Y. H. Liu, Y. Toda, K. Shimatake,N. Momono, M. Oda and M. Ido
  • Journal Title: Phys. Rev. Lett. 1001 Pages: 137003-137006
  • Peer Reviewed
• [Journal Article] Tuning competing orders in La_<2-x>Sr_xCuO_4 cuprate superconductors by the application of an external magnetic field (2008)
  • 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
  • Journal Title: Phys. Rev. B 78 Pages: 104525-104529
  • Peer Reviewed
• [Journal Article] Coherent d-wave superconducting gap in underdoped La_<2-x>Sr_xCuO_4 by angle-resolved photoemission spectroscopy (2008)
  • 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
  • Journal Title: Phys. Rev. Lett. 101 Pages: 047002-047005
  • Peer Reviewed
• [Journal Article] Electronic structure near the 1/8-anomaly in La-based cuprates (2008)
  • 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
  • Journal Title: New Journal of Physics 10 Pages: 103016
  • Peer Reviewed
• [Journal Article] STM study on the period of charge order in the PG state of Bi2212 (2007)
  • Author(s): K. Takeyama, Y. H. Liu, T. Kurosawa,N. Momono, M. Oda and M. Ido
  • Journal Title: International Journal of Modern Physics B 21 Pages: 3220-3223
  • Peer Reviewed
• [Journal Article] STM studies on electronic charge order in the PG state of Bi2212 (2007)
  • Author(s): Y. H. Liu, K. Takeyama, M. Ishikura,N. Momono, M. Oda and M. Ido
  • Journal Title: Physica C 406 Pages: 961-962
  • Peer Reviewed
• [Journal Article] STM/STS study on underdoped La_<2-x>Sr_xCuO_4 (2007)
  • Author(s): N. Momono, T. Goto, K. Takeyama, M. Oda and M. Ido
  • Journal Title: Physica C 460 Pages: 965-966
  • Peer Reviewed
• [Journal Article] On-board sample cleaver (2007)
  • 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
  • Journal Title: Review of Scientific Instruments 78 Pages: 076103
  • Peer Reviewed
• [Journal Article] 4ax4a electronic charge order enhanced in the inhomogeneous pseudogap state of Bi_2Sr_2CaCu_2O_8 (2007)
  • Author(s): Y. H. Liu, K. Takeyama,T. Kurosawa, N. Momono, M. Oda and M. Ido
  • Journal Title: Phys. Rev. B 75 Pages: 212507-212510
  • Peer Reviewed
• [Journal Article] When low- and high-energy electronic responses meet in cuprate superconductors (2007)
  • 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, A. Schnyder, C. Mudry, J. Mesot
  • Journal Title: Phys. Rev. B 75 Pages: 224508-224513
  • Peer Reviewed
• [Journal Article] Nature of the magnetic order in the charge-ordered cuprate La_<1.48>Nd_<0.4>Sr_<0.12>CuO_4 (2007)
  • Author(s): N. B. Christensen, H. M. Ronnow, J. Mesot, R. A. Ewings, N. Momono, M. Oda, M. Ido, M. Enderle, D. F. McMorrow, A. T. Boothroyd
  • Journal Title: Phys. Rev. Lett. 98 Pages: 197003-197006
  • Peer Reviewed
• [Journal Article] Magnetic-field-induced spin excitations and renormalized spin gap of the underdoped La_<1.895>Sr_<0.105>CuO_4 superconductor (2007)
  • 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
  • Journal Title: Phys. Rev. Lett. 98 Pages: 077004-077007
  • Peer Reviewed
• [Journal Article] Scanning tunneling microscopy and spectroscopy study of 4ax4a electronic charge order and the inhomogeneous pairing gap in superconducting Bi_2Sr_2CaCu_2O_8 (2006)
  • Author(s): A. Hashimoto, N. Momono, M. Oda, M. Ido
  • Journal Title: Phys. Rev. B 74 Pages: 064508-064518
  • Peer Reviewed
• [Journal Article] Muons as local probes of three body correlations in the mixed state of type-II superconductors (2006)
  • 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, C. Baines
  • Journal Title: Phys. Rev. Lett. 97 Pages: 177004-177007
  • Peer Reviewed
• [Presentation] STM/STS Study on Spatially Non-Uniform Pseudogap Structure of High Tc cuprates (2008)
  • Author(s): N. Momono
  • Organizer: International Workshop on Inelastic Neutron and X-Ray Scattering in Strongly Correlated Electron Systems(ICC-IMR Workshop)
  • Place of Presentation: 東北大学, 仙台, Japan
  • Year and Date: 2008-10-02
• [Presentation] 電子ラマン散乱から見たBi2212における不純物効果 (2008)
  • Author(s): 内藤将士(桃野直樹)
  • Organizer: 日本物理学会
  • Place of Presentation: 岩手大学
  • Year and Date: 2008-09-20
• [Presentation] Electronic Raman Scattering in Zn-doped Bi2Sr2CaCu2O8+δ (2008)
  • Author(s): N. Momono
  • Organizer: 25th International conference on Low Temperature Physics
  • Place of Presentation: Amsterdam, Netherlands
  • Year and Date: 2008-08-10
• [Presentation] 電子ラマン散乱から見たBi2212における超伝導ギャップと擬ギャップ (2008)
  • Author(s): 桃野直樹
  • Organizer: 日本物理学会
  • Place of Presentation: 近畿大学
  • Year and Date: 2008-03-26
• [Presentation] STM/STSから見たLa_<2-x>Sr_xCuO_4およびLa_<2-x-y>Nd_ySr_xCuO_4の電子構造 (2007)
  • Author(s): 桃野直樹
  • Organizer: 日本物理学会
  • Place of Presentation: 札幌
  • Year and Date: 2007-09-24
• [Presentation] STM/STS study of stripe-ordered state of La_<2-x-y>Nd_ySr_xCuO_4(x=1/8, y=0.4) (2007)
  • Author(s): N. Momono
  • Organizer: Yamada Conference LXI : Spectroscopies in Novel Superconductors
  • Place of Presentation: Sendai
  • Year and Date: 2007-08-23
• [Presentation] IMPURITY EFFECTS ON ENERGY GAP IN Bi2Sr2CaCu2O8+y INVESTIGATED BY ELECTRONIC RAMAN SCATTERING (2007)
  • Author(s): N. Momono
  • Organizer: 7th International Conference on New Theories, Discoveries and Applications of Superconductors and Related Materials
  • Place of Presentation: Beijing, China
  • Year and Date: 2007-05-15
• [Presentation] STM/STSから見たLa_<2-x>Sr_xCuO_4の超伝導ギャップとフェルミアーク (2007)
  • Author(s): 来栖潔(桃野直樹)
  • Organizer: 日本物理学会
  • Place of Presentation: 鹿児島大学
  • Year and Date: 2007-03-18
• [Presentation] Checkerboard-like charge order and inhomogeneous Energy gap in superconducting Bi_2Sr_2CaCu_2O_8 (2006)
  • Author(s): N. Momono
  • Organizer: 5^<th> International Conference "Stripes06"
  • Place of Presentation: Rome, Italy
  • Year and Date: 20061000
• [Presentation] 電子比熱から見たLa_<2-x>Sr_xCu_<1-y>Ni_yO_4におけるノーダル超伝導 (2006)
  • Author(s): 黒澤徹(桃野直樹)
  • Organizer: 日本物理学会
  • Place of Presentation: 千葉大学
  • Year and Date: 2006-09-23
• [Presentation] STM/STS study on superconducting La_<2-x>Sr_xCuO_4 (2006)
  • Author(s): N. Momono
  • Organizer: 8^<th> International Conference on Materials and Mechanisms of Superconductivity
  • Place of Presentation: Dresden, Germany
  • Year and Date: 2006-07-14