High-pressure infrared spectroscopy on quasi-one-dimensional metals

被引:5
|
作者
Kuntscher, C. A.
Frank, S.
Loa, I.
Syassen, K.
Lichtenberg, F.
Yamauchi, T.
Ueda, Y.
机构
[1] Univ Stuttgart, Inst Phys, D-70550 Stuttgart, Germany
[2] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
[3] Univ Augsburg, Inst Phys, EKM, D-86135 Augsburg, Germany
[4] Univ Tokyo, Inst Solid State Phys, Tokyo, Japan
关键词
infrared spectroscopy; high-pressure; quasi-one-dimensional metals;
D O I
10.1016/j.infrared.2006.01.022
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The polarization-dependent mid-infrared optical responses of the two quasi-one-dimensional metals beta-Na0.33V2O5 and LaTiO3.41 were studied at room temperature as a function of pressure. An observed increase of the low-frequency reflectivity perpendicular to the conducting chains suggests the onset of a pressure-induced dimensional crossover. The pressure dependences of the pronounced mid-infrared band observed for both compounds along the conducting axis are discussed in terms of polaronic excitations. (c) 2006 Published by Elsevier B.V.
引用
收藏
页码:88 / 91
页数:4
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