Penetration depth measurements of pressure induced superconductors

2012 Fiscal Year Final Research Report

• Project/Area Number: 23654118
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Condensed matter physics II
• Research Institution: Kyoto University
• Principal Investigator: MATSUDA Yuji 京都大学, 大学院・理学研究科, 教授 (50199816)
• Project Period (FY): 2011 – 2012
• Keywords: 強相関系

Research Abstract

We have measured the penetration depth of iron pnictides high temperature superconductors by using tunnel diode oscillator and microwave surface impedance apparatus. We studied how the superconducting gap evolves with iron substitution and pressure in iron based superconductors.

Research Products

• [Journal Article] A sharp peak of the zero-temperature penetration depth at optimal composition in the iron-based superconductor BaFe2(As1-xPx)2 (2012)
  • Author(s): K. Hashimoto, K. Cho, T. Shibauchi, S. Kasahara, Y. Mizukami, R. Katsumata, Y. Tsuruhara, T. Terashima, H. Ikeda, M. A. Tanatar, H. Kitano, N. Salovich, R. W. Giannetta, P. Walmsley, A. Carrington, R. Prozorov, and Y. Matsuda
  • Journal Title: Science Volume: 336 Pages: 1554-1557
  • DOI: DOI:10.1126/science.1219821
  • Peer Reviewed
• [Journal Article] Electronic nematicity above the structural and superconducting transition in BaFe2(As1-xPx)2 (2012)
  • Author(s): S. Kasahara, H. J. Shi, K. Hashimoto, S. Tonegawa, Y. Mizukami, T. Shibauchi, K. Sugimoto, T. Fukuda, T. Terashima, A. H. Nevidomskyy, and Y. Matsuda
  • Journal Title: Nature Volume: 486 Pages: 382-385
  • DOI: DOI:10.1038/nature11178
  • Peer Reviewed
• [Journal Article] Emergent Rank-5 `Nematic' Order in URu2Si2 (2012)
  • Author(s): H. Ikeda, M.-T. Suzuki, R. Arita, T. Takimoto, T. Shibauchi, and Y. Matsuda
  • Journal Title: Nature Physics Volume: 8 Pages: 528-533
  • DOI: doi:10.1038/nphys2330
  • Peer Reviewed
• [Journal Article] Extremely strong-coupling superconductivity in artificial two-dimensional Kondo lattices (2011)
  • Author(s): Y. Mizukami, H. Shishido, T. Shibauchi, M. Shimozawa, S. Yasumoto, D. Watanabe, M. Yamashita, H. Ikeda, T. Terashima, H. Kontani, and Y. Matsuda
  • Journal Title: Nature Physics Volume: 7 Pages: 849-853
  • DOI: doi:10.1038/nphys2112
  • Peer Reviewed
• [Journal Article] Rotational Symmetry Breaking in the Hidden-Order Phase of URu2Si2 (2011)
  • Author(s): R. Okazaki, T. Shibauchi, H. J. Shi, Y. Haga, T. D. Matsuda, E. Yamamoto, Y. Onuki, H. Ikeda, and Y. Matsuda
  • Journal Title: Science Volume: 331 Pages: 439-442
  • DOI: DOI:10.1126/science.1197358
  • Peer Reviewed
• [Journal Article] Highly Mobile Gapless Excitations in a Two-Dimensional Candidate Quantum Spin Liquid (2010)
  • Author(s): M. Yamashita, N. Nakata, Y. Senshu, M. Nagata, H. M. Yamamoto, R. Kato, T. Shibauchi, and Y. Matsuda
  • Journal Title: Science Volume: 328 Pages: 1246-1248
  • DOI: DOI:10.1126/science.1188200
  • Peer Reviewed
• [Journal Article] Tuning the Dimensionality of the Heavy Fermion Compound CeIn3 (2010)
  • Author(s): H. Shishido, T. Shibauchi, K. Yasu, T. Kato, H. Kontani, T. Terashima, and Y. Matsuda
  • Journal Title: Science Volume: 327 Pages: 980-983
  • DOI: DOI:10.1126/science.1183376
  • Peer Reviewed
• [Journal Article] Thermal-transport measurements in a quantum spin-liquid state of the frustrated triangular magnet k-(BEDT-TTF)2Cu2(CN)3 (2009)
  • Author(s): M. Yamashita, N. Nakata, Y. Kasahara, T. Sasaki, N. Yoneyama, N. Kobayashi, S. Fujimoto, T. Shibauchi, and Y. Matsuda
  • Journal Title: Nature Physics Volume: 5 Pages: 44-47
  • DOI: doi:10.1038/nphys1134
  • Peer Reviewed
• [Presentation] Quantum spin liquid (2013)
  • Author(s): Yuji Matsuda
  • Organizer: 3rd Japan-Israel Binational Workshop on Quantum Phenomena
  • Place of Presentation: 沖縄
  • Year and Date: 20130311-13
• [Presentation] Two dimensional confinement of heavy fermion in artificial superlattices (2013)
  • Author(s): Yuji Matsuda
  • Organizer: REIMEI-Workshop: Heavy Fermion Superconductivity explored by anisotropic magnetic fluctuations in actinide compounds
  • Place of Presentation: 東京
  • Year and Date: 20130218-19
• [Presentation] Superconducting gap structure (2013)
  • Author(s): Yuji Matsuda
  • Organizer: hidden quantum criticality and nematic transition in BaFe2(As1-xPx)2,Bristol-Kyoto Symposium
  • Place of Presentation: ブリストル(イギリス)
  • Year and Date: 20130109-13
• [Presentation] Novel Pauli paramagneticquantum phase in a Mott insulator (2012)
  • Author(s): Yuji Matsuda
  • Organizer: Exotic Phases of Frustrated Magnets Conference
  • Place of Presentation: サンタバーバラ(アメリカ)
  • Year and Date: 20121008-12
• [Presentation] Two dimensional confinement of heavy fermion in artificial superlattices (2012)
  • Author(s): Yuji Matsuda
  • Organizer: Materials and Mechanism of Superconductivity
  • Place of Presentation: ワシントンンDC(アメリカ)
  • Year and Date: 20120729-0803
• [Presentation] Nematic transition and quantum critical point in iron-pnictide superconductors (2012)
  • Author(s): Yuji Matsuda
  • Organizer: Japanese-German Symposium
  • Place of Presentation: 伊豆
  • Year and Date: 20120714-17
• [Presentation] Quantum criticality and electronic nematic phase in iron-pnictides (2012)
  • Author(s): Yuji Matsuda
  • Organizer: 19th International Conference on Magnetism with Strongly Correlated Electron Systems
  • Place of Presentation: プサン(韓国)
  • Year and Date: 20120708-13
• [Presentation] Novel Pauli-paramagnetic quantum phase in a Mott insulator (2012)
  • Author(s): Yuji Matsuda
  • Organizer: International Workshop Itinerant Spin-orbital Systems: from MagneticFrustration to Novel Superconductivity
  • Place of Presentation: ドレスデン(ドイツ)
  • Year and Date: 20120520-25
• [Presentation] Superconducting gap structure of iron-pnictide superconductors (2012)
  • Author(s): Yuji Matsuda
  • Organizer: International Conference on Superconductivity and Magnetism
  • Place of Presentation: イスタンブール(トルコ)
  • Year and Date: 20120429-0504
• [Book] 超伝導現象と高温超伝導 (2013)
  • Author(s): 松田祐司
  • Total Pages: 490-501
  • Publisher: NTS出版