CDW tunneling density of states in NbSe3

Toshikazu Ekino; Jun Akimitsu

doi:10.1016/0921-4526(94)90940-7

CDW tunneling density of states in NbSe₃

Toshikazu Ekino, Jun Akimitsu

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

Charge-density-wave (CDW) density of states in quasi-one-dimensional conductor NbSe₃ has been examined using low temperature tunneling conductance. Most of the CDW gap structures are expressed by the Gaussian distribution model of the BCS gaps. The two-dimensional anisotropic density of states predicted by Huang and Maki also fits to some of the data. Furthermore we observed the conductance having the perfect zero value at zero bias. These results suggest that the CDW gap in NbSe₃ is spatially varied or being anisotropic.

Original language	English
Pages (from-to)	1221-1222
Number of pages	2
Journal	Physica B: Physics of Condensed Matter
Volume	194-196
Issue number	PART 1
DOIs	https://doi.org/10.1016/0921-4526(94)90940-7
Publication status	Published - Feb 2 1994
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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abstract = "Charge-density-wave (CDW) density of states in quasi-one-dimensional conductor NbSe3 has been examined using low temperature tunneling conductance. Most of the CDW gap structures are expressed by the Gaussian distribution model of the BCS gaps. The two-dimensional anisotropic density of states predicted by Huang and Maki also fits to some of the data. Furthermore we observed the conductance having the perfect zero value at zero bias. These results suggest that the CDW gap in NbSe3 is spatially varied or being anisotropic.",

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AB - Charge-density-wave (CDW) density of states in quasi-one-dimensional conductor NbSe3 has been examined using low temperature tunneling conductance. Most of the CDW gap structures are expressed by the Gaussian distribution model of the BCS gaps. The two-dimensional anisotropic density of states predicted by Huang and Maki also fits to some of the data. Furthermore we observed the conductance having the perfect zero value at zero bias. These results suggest that the CDW gap in NbSe3 is spatially varied or being anisotropic.

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