Magnetic interaction in hole-doped high- Tc superconductors observed by angle-resolved photoemission spectroscopy

T. Sato, H. Matsui, Kensei Terashima, T. Takahashi, H. Ding, H. B. Yang, S. C. Wang, T. Fujii, T. Watanabe, A. Matsuda, T. Terashima, K. Kadowaki

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We have performed a high-resolution angle-resolved photoemission spectroscopy (ARPES) on high-Tc superconductors (HTSCs) Bi 2Sr2Can-1CunO2n+4 (n=1-3) to study the systematics of the electronic structure and the origin of many-body interactions responsible for superconductivity. We find that a large hole-like Fermi surface and d-wave superconducting gap are generic features of Bi-based HTSCs. For n=2 and 3, a sudden change in the energy dispersion, so-called "kink", becomes pronounced on approaching (π,0) in the superconducting state, while a kink appears only around the nodal direction in the normal state. The kink around (π,0) disappears at Tc. For n=1, the kink shows no significant temperature dependence even across Tc. This could suggest that the coupling of electrons with Q=(π,π) magnetic mode is dominant in the superconducting state for multi-layered cuprates, while the interaction at the normal state and that of single-layered cuprates have a different origin.

Original languageEnglish
Pages (from-to)51-58
Number of pages8
JournalPhysica C: Superconductivity and its Applications
Volume412-414
Issue numberSPEC. ISS.
DOIs
Publication statusPublished - Oct 2004
Externally publishedYes

Fingerprint

Photoelectron spectroscopy
cuprates
Superconducting materials
photoelectric emission
Fermi surface
Superconductivity
spectroscopy
Fermi surfaces
Electronic structure
superconductivity
interactions
electronic structure
temperature dependence
Electrons
high resolution
electrons
Temperature
energy
Direction compound

Keywords

  • ARPES
  • Bi-based cuprates
  • Electronic structure

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Magnetic interaction in hole-doped high- Tc superconductors observed by angle-resolved photoemission spectroscopy. / Sato, T.; Matsui, H.; Terashima, Kensei; Takahashi, T.; Ding, H.; Yang, H. B.; Wang, S. C.; Fujii, T.; Watanabe, T.; Matsuda, A.; Terashima, T.; Kadowaki, K.

In: Physica C: Superconductivity and its Applications, Vol. 412-414, No. SPEC. ISS., 10.2004, p. 51-58.

Research output: Contribution to journalArticle

Sato, T, Matsui, H, Terashima, K, Takahashi, T, Ding, H, Yang, HB, Wang, SC, Fujii, T, Watanabe, T, Matsuda, A, Terashima, T & Kadowaki, K 2004, 'Magnetic interaction in hole-doped high- Tc superconductors observed by angle-resolved photoemission spectroscopy', Physica C: Superconductivity and its Applications, vol. 412-414, no. SPEC. ISS., pp. 51-58. https://doi.org/10.1016/j.physc.2003.11.063
Sato, T. ; Matsui, H. ; Terashima, Kensei ; Takahashi, T. ; Ding, H. ; Yang, H. B. ; Wang, S. C. ; Fujii, T. ; Watanabe, T. ; Matsuda, A. ; Terashima, T. ; Kadowaki, K. / Magnetic interaction in hole-doped high- Tc superconductors observed by angle-resolved photoemission spectroscopy. In: Physica C: Superconductivity and its Applications. 2004 ; Vol. 412-414, No. SPEC. ISS. pp. 51-58.
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