Pressure-dependent infrared properties of the quasi-one-dimensional metal β-Na0.33V2O5

被引:1
作者
Kuntscher, C. A.
Frank, S.
Loa, I.
Syassen, K.
Yamauchi, T.
Ueda, Y.
机构
[1] Univ Stuttgart, Inst Phys 1, D-70550 Stuttgart, Germany
[2] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
[3] Univ Tokyo, Inst Solid State Phys, Tokyo, Japan
关键词
superconductivity; low-dimensional metal; infrared properties;
D O I
10.1016/j.physb.2006.01.329
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The pressure-dependent mid-infrared properties of the quasi-one-dimensional metal beta-Na0.33V2O5 were studied at room temperature. The monotonic changes of the spectra below 12 GPa suggest a pressure-induced dimensional crossover and the relevance of electron-phonon coupling, leading to the formation of polaronic quasiparticles. The changes in the spectra above 12 GPa may be due to a redistribution of charge with a possible relation to structural changes. A possible relation between the interchain coupling and superconductivity is pointed out. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:896 / 897
页数:2
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