Phonon scattering from the boundaries of small crystals embedded in a dielectric porous-glass matrix

被引：5
|
作者：
Parfen'eva, LS
Smirnov, IA
Fokin, AV
Misiorek, H
Mucha, J
Jezowski, A
机构：
[1] Russian Acad Sci, AF Ioffe Physicotech Inst, St Petersburg 194021, Russia
[2] Polish Acad Sci, Inst Low Temp & Struct Res, PL-50950 Wroclaw, Poland
来源：
PHYSICS OF THE SOLID STATE | 2003年 / 45卷 / 02期
关键词：
D O I：
10.1134/1.1553547
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The thermal conductivity of porous glass with randomly distributed connecting pores similar to70 A in size (glass porosity similar to25%), as well as of a porous glass + NaCl composite, was measured in the temperature range 5-300 K. NaCl filled one fourth of the pores in the composite. The experimental results on the composite thermal conductivity can be accounted for only by assuming that phonons scatter from the boundaries of NaCl nanocrystals embedded in channels of the porous glass. (C) 2003 MAIK "Nauka / Interperiodica".
引用
收藏
页码：381 / 385
页数：5
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