Phonon thermal conductivity of the inorganic quasi-one-dimensional conductors

被引：3
|
作者：
Smontara, A
Biljakovic, K
Bilusic, A
Mazuer, J
Monceau, P
Berger, H
Levy, F
机构：
[1] CNRS, CRTBT, F-38042 GRENOBLE, FRANCE
[2] ECOLE POLYTECH FED LAUSANNE, INST PHYS APPL, CH-1015 LAUSANNE, SWITZERLAND
来源：
PHYSICA B-CONDENSED MATTER | 1996年 / 219-20卷
关键词：
D O I：
10.1016/0921-4526(95)00655-9
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The scattering mechanisms involved in heat transport of the inorganic quasi-one-dimensional conductors exhibiting charge density waves (CDW) may be investigated through thermal conductivity measurements. In particular, measurements of the thermal conductivity K(T), in the range 1,5-350 K, on (TaSe4)(2)I, (NbSe4)(3.3)I, K0.3MoO3 can give information on different types of scatterings: by the soft Kohn-Peierls phonons above the Peierls temperature T-c, by the excitations of the CDW just below T-c and by defects at low temperatures in the vicinity of K(T) maximum in addition to the umklapp scattering. Tn order to interpret K(T) specific for CDW ground stale, we show for comparison the results obtained for (NbSe4)(3)I, which is structurally similar to (TaSe4)(2)I and (NbSe4)(3.3)I, but it does not exhibit CDW.
引用
收藏
页码：77 / 79
页数：3
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