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Scanning tunneling microscopy and spectroscopy study of 4ax4a electronic charge order and the inhomogeneous pairing gap in superconducting Bi2Sr2CaCu2O8+δ
| Title: | Scanning tunneling microscopy and spectroscopy study of 4ax4a electronic charge order and the inhomogeneous pairing gap in superconducting Bi2Sr2CaCu2O8+δ |
| Authors: | Hashimoto, A. Browse this author | | Momono, N. Browse this author | | Oda, M. Browse this author | | Ido, M. Browse this author →KAKEN DB |
| Issue Date: | May-2006 |
| Publisher: | American Physical Society |
| Journal Title: | Physical Review B |
| Volume: | 74 |
| Start Page: | 064508 |
| Publisher DOI: | 10.1103/PhysRevB.74.064508 |
| Abstract: | We performed scanning tunneling microscopy and scanning tunneling spectroscopy (STS) measurements on underdoped Bi2212 crystals with doping levels p~0.11, ~0.13, and ~0.14 to examine the nature of the nondispersive 4a×4a charge order in the superconducting state at T≪Tc. The charge order appears conspicuously within the pairing gap, and low doping tends to favor the charge order. We point out the possibility that the 4a×4a charge order will be dynamical in itself, and pinned down over regions with effective pinning centers. The pinned 4a×4a charge order is closely related to the spatially inhomogeneous pairing gap structure, which has often been reported in STS measurements on high-Tc cuprates. |
| Rights: | Copyright © 2006 American Physical Society |
| Relation: | http://www.aps.org/ |
| Type: | article |
| URI: | http://hdl.handle.net/2115/14723 |
| Appears in Collections: | 理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 伊土 政幸
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