Luttinger liquid behaviour of Li0.9Mo6O17 studied by scanning tunnelling microscopy

被引：8

作者：

Podlich, T. ^{[1
]}

Klinke, M. ^{[1
]}

Nansseu, B. ^{[1
]}

Waelsch, M. ^{[1
]}

Bienert, R. ^{[1
]}

He, J. ^{[2
]}

Jin, R. ^{[3
]}

Mandrus, D. ^{[4
,5
]}

Matzdorf, R. ^{[1
,6
]}

机构：

[1] Univ Kassel, Fachbereich Nat Wissensch, D-34132 Kassel, Germany

[2] Clemson Univ, Dept Phys & Astron, Clemson, SC 29634 USA

[3] Lousiana State Univ, Dept Phys & Astron, Baton Rouge, LA 70803 USA

[4] Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA

[5] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA

[6] CINSaT, D-34132 Kassel, Germany

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2013年 / 25卷 / 01期

关键词：

BRONZE; PHOTOEMISSION;

D O I：

10.1088/0953-8984/25/1/014008

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Scanning tunnelling spectroscopy (STS) was used to study the Luttinger liquid behaviour of the purple bronze Li0.9Mo6O17 in the temperature range 5 K < T < 300 K. In the entire temperature range the suppression of the density of states at the Fermi energy can be fitted very well by a model describing the tunnelling into a Luttinger liquid at ambient temperature. The power-law exponent extracted from these fits reveals a significant increase above 200 K. It changes from alpha = 0.6 at low temperature to alpha = 1.0 at room temperature.

引用

页数：5

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