Oxygen isotope effect in optimally doped Bi2Sr2CaCu2O8+δ studied by low-energy ARPES

被引：0

作者：

Iwasawa, H. ^{[1
]}

Douglas, J. F. ^{[2
]}

Sato, K. ^{[3
]}

Masui, T. ^{[4
]}

Yoshida, Y. ^{[3
]}

Sun, Z. ^{[2
]}

Eisaki, H. ^{[3
]}

Bando, H. ^{[3
]}

Ino, A. ^{[5
]}

Arita, M. ^{[1
]}

Shimada, K. ^{[1
]}

Namatame, H. ^{[1
]}

Taniguchi, M. ^{[1
,5
]}

Tajima, S. ^{[4
]}

Uchida, S. ^{[6
]}

Saitoh, T. ^{[7
]}

Dessau, D. S. ^{[2
]}

Aiura, Y. ^{[3
]}

机构：

[1] Hiroshima Univ, Hiroshima Synchrotron Radiat Ctr, Hiroshima 7390046, Japan

[2] Univ Colorado, Dept Phys, Boulder, CO 80309 USA

[3] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan

[4] Osaka Univ, Dept Phys, Osaka 5600043, Japan

[5] Hiroshima Univ, Grad Sch Sci, Hiroshima 7398526, Japan

[6] Univ Tokyo, Dept Phys, Bunkyo Ku, Tokyo 1138656, Japan

[7] Tokyo Univ Sci, Dept Appl Phys, Shinjuku Ku, Tokyo 1628601, Japan

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2010年 / 470卷

关键词：

Electronic structure; ARPES; Oxygen isotope effect; HIGH-TEMPERATURE SUPERCONDUCTORS; CUPRATE SUPERCONDUCTORS; MODE;

D O I：

10.1016/j.physc.2009.11.001

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Using angle-resolved photoemission spectroscopy (ARPES) with low-energy tunable photons, we studied the oxygen isotope effect in optimally doped Bi2Sr2CaCu2O8+delta (Bi2212). We found the oxygen isotope shift in the real part of the electron self-energies [Re Sigma(omega)s] along the nodal direction derived not only from the momentum distribution curves (MDCs) but also from the energy distribution curves (EDCs). Present results indicate straightforwardly the coupling between the nodal electrons and the phonons. (C) 2009 Published by Elsevier B.V.

引用

页码：S134 / S136

页数：3

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