CONNECTING MICROSCOPIC AND MACROSCOPIC PROPERTIES OF POROUS-MEDIA - CHOOSING APPROPRIATE EFFECTIVE-MEDIUM CONCEPTS

被引：58

作者：

THEISS, W

HENKEL, S

ARNTZEN, M

机构：

[1] I. Physikalisches Institut. Aachen University of Technology (RWTH), Aachen

来源：

THIN SOLID FILMS | 1995年 / 255卷 / 1-2期

关键词：

DIELECTRIC PROPERTIES; NANOSTRUCTURES; OPTICAL SPECTROSCOPY; SILICON;

D O I：

10.1016/0040-6090(94)05649-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Macroscopic ''effective'' material properties of porous media can be understood as a mixture of the properties of the microscopic constituents in many cases. The relation between macroscopically observable and wanted microscopic quantities depends on the microtopology of the porous system and is described by more or less accurate effective medium concepts. We discuss various approximations and show how a reasonable choice can be made for the optical properties of porous glasses and porous silicon.

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页码：177 / 180

页数：4

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