Angle-resolved photoemission study of untwinned PrBa2Cu3O7: Undoped CuO2 plane and doped CuO3 chain

T. Mizokawa; C. Kim; Z. X. Shen; A. Ino; A. Fujimori; M. Goto; H. Eisaki; S. Uchida; M. Tagami; K. Yoshida; A. I. Rykov; Y. Siohara; K. Tomimoto; S. Tajima

Angle-resolved photoemission study of untwinned PrBa₂Cu₃O₇: Undoped CuO₂ plane and doped CuO₃ chain

T. Mizokawa, C. Kim, Z. X. Shen, A. Ino, A. Fujimori, M. Goto, H. Eisaki, S. Uchida, M. Tagami, K. Yoshida, A. I. Rykov, Y. Siohara, K. Tomimoto, S. Tajima

Research output: Contribution to journal › Article › peer-review

35 Citations (Scopus)

Abstract

We have performed an angle-resolved photoemission study on untwinned PrBa₂Cu₃O₇, which has low resistivity but does not show superconductivity. We have observed a dispersive feature with a band maximum around (π/2,π/2), indicating that this band is derived from the undoped CuO₂ plane. We have observed another dispersive band exhibiting one-dimensional character, which we attribute to signals from the doped CuO₃ chain. The overall band dispersion of the one-dimensional band agrees with the prediction of the t-J model calculation with parameters relevant to cuprates except that the intensity near the Fermi level is considerably suppressed in the experiment.

Original language	English
Pages (from-to)	12335-12341
Number of pages	7
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	60
Issue number	17
Publication status	Published - 1999
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Angle-resolved photoemission study of untwinned PrBa₂Cu₃O₇ : Undoped CuO₂ plane and doped CuO₃ chain. / Mizokawa, T.; Kim, C.; Shen, Z. X.; Ino, A.; Fujimori, A.; Goto, M.; Eisaki, H.; Uchida, S.; Tagami, M.; Yoshida, K.; Rykov, A. I.; Siohara, Y.; Tomimoto, K.; Tajima, S.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 60, No. 17, 1999, p. 12335-12341.

Research output: Contribution to journal › Article › peer-review

Mizokawa, T. ; Kim, C. ; Shen, Z. X. ; Ino, A. ; Fujimori, A. ; Goto, M. ; Eisaki, H. ; Uchida, S. ; Tagami, M. ; Yoshida, K. ; Rykov, A. I. ; Siohara, Y. ; Tomimoto, K. ; Tajima, S. / Angle-resolved photoemission study of untwinned PrBa₂Cu₃O₇ : Undoped CuO₂ plane and doped CuO₃ chain. In: Physical Review B - Condensed Matter and Materials Physics. 1999 ; Vol. 60, No. 17. pp. 12335-12341.

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abstract = "We have performed an angle-resolved photoemission study on untwinned PrBa2Cu3O7, which has low resistivity but does not show superconductivity. We have observed a dispersive feature with a band maximum around (π/2,π/2), indicating that this band is derived from the undoped CuO2 plane. We have observed another dispersive band exhibiting one-dimensional character, which we attribute to signals from the doped CuO3 chain. The overall band dispersion of the one-dimensional band agrees with the prediction of the t-J model calculation with parameters relevant to cuprates except that the intensity near the Fermi level is considerably suppressed in the experiment.",

author = "T. Mizokawa and C. Kim and Shen, {Z. X.} and A. Ino and A. Fujimori and M. Goto and H. Eisaki and S. Uchida and M. Tagami and K. Yoshida and Rykov, {A. I.} and Y. Siohara and K. Tomimoto and S. Tajima",

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AU - Mizokawa, T.

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AU - Shen, Z. X.

AU - Ino, A.

AU - Fujimori, A.

AU - Goto, M.

AU - Eisaki, H.

AU - Uchida, S.

AU - Tagami, M.

AU - Yoshida, K.

AU - Rykov, A. I.

AU - Siohara, Y.

AU - Tomimoto, K.

AU - Tajima, S.

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AB - We have performed an angle-resolved photoemission study on untwinned PrBa2Cu3O7, which has low resistivity but does not show superconductivity. We have observed a dispersive feature with a band maximum around (π/2,π/2), indicating that this band is derived from the undoped CuO2 plane. We have observed another dispersive band exhibiting one-dimensional character, which we attribute to signals from the doped CuO3 chain. The overall band dispersion of the one-dimensional band agrees with the prediction of the t-J model calculation with parameters relevant to cuprates except that the intensity near the Fermi level is considerably suppressed in the experiment.

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