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Tunneling Spectroscopy on Underdoped La2-xSrxCuO4.

Authors :
Kato, T.
Maruyama, T.
Noguchi, T.
Pyon, T.
Sakata, H.
Source :
AIP Conference Proceedings. 2006, Vol. 850 Issue 1, p417-418. 2p. 1 Graph.
Publication Year :
2006

Abstract

We report the results of low-temperature tunneling spectroscopy on underdoped La1.94Sr0.06CuO4 single crystal with Tc = 14 K. The tunneling spectra have been obtained on the ab plane at 4.2 K indicating gap structure with the asymmetric V-shaped background. While we have observed the spectra with gap value Δ consistent with previous ARPES data of the underdoped samples, a few spectra exhibit almost the same magnitude of Δ observed on the optimally doped sample in our former tunneling study. This result suggests the existence of the strong gap inhomogeneity in under doped La2-xSrxCuO4. © 2006 American Institute of Physics [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
0094243X
Volume :
850
Issue :
1
Database :
Academic Search Index
Journal :
AIP Conference Proceedings
Publication Type :
Conference
Accession number :
23290047
Full Text :
https://doi.org/10.1063/1.2354763