Angle-resolved photoemission study of PrBa2Cu3O7 and PrBa2Cu4O8

被引：0

作者：

Mizokawa, T ^{[1
]}

Kim, C ^{[1
]}

Shen, ZX ^{[1
]}

Ino, A ^{[1
]}

Yoshida, T ^{[1
]}

Fujimori, A ^{[1
]}

Goto, M ^{[1
]}

Eisaki, H ^{[1
]}

Uchida, S ^{[1
]}

Tagami, M ^{[1
]}

Yoshida, K ^{[1
]}

Rykov, AI ^{[1
]}

Siohara, Y ^{[1
]}

Tomimoto, K ^{[1
]}

Tajima, S ^{[1
]}

Yamada, Y ^{[1
]}

Horii, S ^{[1
]}

Yamada, N ^{[1
]}

Yamada, Y ^{[1
]}

Hirabayashi, I ^{[1
]}

机构：

[1] Univ Tokyo, Dept Complex Sci & Engn, Tokyo 1130033, Japan

来源：

ADVANCES IN SUPERCONDUCTIVITY XII | 2000年

关键词：

ARPES; Cu-O chain; spin-charge separation; charge ordering;

D O I：

暂无

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have performed an angle-resolved photoemission study on PrBa2Cu3O7 (Pr123) and PrBa2Cu4O8 (Pr124) which have hole-doped Cu-O chains. Dispersive features with one-dimensional (1D) character are observed in Pr123 and Pr124 and are attributed to signals from the hole-doped Cu-O chains which are approximately 1/4-filled. While, in Pr123, the 1D feature loses its spectral weight near the Fermi level (E-F), it crosses E-F in Pr124. These results suggest that, while the hole-doped Cu-O single chains in Pr123 have instability to charge ordering, the hole-doped Cu-O double chains in Pr124 can get rid of it.

引用

页码：173 / 175

页数：3

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