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Mizokawa T, Kim C, Shen ZX, et al. Angle-resolved photoemission study of insulating and metallic Cu-O chains in PrBa2Cu3O7 and PrBa2Cu4O8. Phys Rev Lett. 2000;85(22):4779-82doi: 10.1103/PhysRevLett.85.4779.
Mizokawa, T., Kim, C., Shen, Z. X., Ino, A., Yoshida, T., Fujimori, A., Goto, M., Eisaki, H., Uchida, S., Tagami, M., Yoshida, K., Rykov, A. I., Siohara, Y., Tomimoto, K., Tajima, S., Yamada, Y., Horii, S., Yamada, N., Yamada, Y., & Hirabayashi, I. (2000). Angle-resolved photoemission study of insulating and metallic Cu-O chains in PrBa2Cu3O7 and PrBa2Cu4O8. Physical review letters, 85(22), 4779-82. https://doi.org/10.1103/PhysRevLett.85.4779
Mizokawa, et al. "Angle-resolved photoemission study of insulating and metallic Cu-O chains in PrBa2Cu3O7 and PrBa2Cu4O8." Physical review letters vol. 85,22 (2000): 4779-82. doi: https://doi.org/10.1103/PhysRevLett.85.4779
Mizokawa T, Kim C, Shen ZX, Ino A, Yoshida T, Fujimori A, Goto M, Eisaki H, Uchida S, Tagami M, Yoshida K, Rykov AI, Siohara Y, Tomimoto K, Tajima S, Yamada Y, Horii S, Yamada N, Yamada Y, Hirabayashi I. Angle-resolved photoemission study of insulating and metallic Cu-O chains in PrBa2Cu3O7 and PrBa2Cu4O8. Phys Rev Lett. 2000 Nov 27;85(22):4779-82. doi: 10.1103/PhysRevLett.85.4779. PMID: 11082650.
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Phys Rev Lett. 2000 Nov 27;85(22):4779-82. doi: 10.1103/PhysRevLett.85.4779.

Angle-resolved photoemission study of insulating and metallic Cu-O chains in PrBa2Cu3O7 and PrBa2Cu4O8.

Physical review letters

Mizokawa, Kim, Shen, Ino, Yoshida, Fujimori, Goto, Eisaki, Uchida, Tagami, Yoshida, Rykov, Siohara, Tomimoto, Tajima, Yamada, Horii, Yamada, Yamada, Hirabayashi

Affiliations

  1. Department of Complexity Science and Engineering, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan and Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan.

PMID: 11082650 DOI: 10.1103/PhysRevLett.85.4779

Abstract

We compare the angle-resolved photoemission spectra of the hole-doped Cu-O chains in PrBa2Cu3O7 (Pr123) and in PrBa2Cu4O8 (Pr124). While, in Pr123, a dispersive feature from the chain takes a band maximum at k(b) (momentum along the chain) approximately pi/4 and loses its spectral weight around the Fermi level, it reaches the Fermi level at k(b) approximately pi/4 in Pr124. Although the chains in Pr123 and Pr124 are approximately 1/4 filled, they show contrasting behaviors: While the chains in Pr123 have an instability to charge ordering, those in Pr124 avoid it and show an interesting spectral feature of a metallic coupled-chain system.

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