Scanning tunneling microscopy and spectroscopy study of 4ax4a electronic charge order and the inhomogeneous pairing gap in superconducting Bi2Sr2CaCu2O8+δ

Hashimoto, A.; Momono, N.; Oda, M. et al.

Physical Review B, 2006, 74, 064508

Permalink : https://hdl.handle.net/2115/14723

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アクセス権	open access
URI	https://hdl.handle.net/2115/14723
タイトル	Scanning tunneling microscopy and spectroscopy study of 4ax4a electronic charge order and the inhomogeneous pairing gap in superconducting Bi2Sr2CaCu2O8+δ
著者	Hashimoto, A. ; Momono, N. ; Oda, M. ; Ido, M.
著者名 Hashimoto, A.
著者名 Momono, N.
著者名 Oda, M.
e-Rad_Researcher 90111145 著者名 Ido, M.
言語	英語
発行日	2006-05
出版者	American Physical Society
収録物名	Physical Review B
巻(号)	74
ページ	064508
抄録	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.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Copyright © 2006 American Physical Society
PISSN	0163-1829
EISSN	1095-3795
関連情報	URI http://www.aps.org/
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1103/PhysRevB.74.064508