Microstructure and optical properties of free-standing porous silicon films: Size dependence of absorption spectra in Si nanometer-sized crystallites

Kanemitsu, Yoshihiko; Uto, Hiroshi; Masumoto, Yasuaki; Matsumoto, Takahiro; Futagi, Toshiro; Mimura, Hidenori

doi:10.1103/physrevb.48.2827

Public

Microstructure and optical properties of free-standing porous silicon films: Size dependence of absorption spectra in Si nanometer-sized crystallites

Published in Physical review. B, Condensed matter • Jul 15, 1993

Authors:

Yoshihiko Kanemitsu

Hiroshi Uto

Yasuaki Masumoto

Abstract

We have studied the microstructure and optical properties of free-standing porous Si thin films fabricated by electrochemical anodization. Raman-spectroscopy and transmission-electron-microscopy examinations show that Si crystallite spheres with diameters of several nanometers are dispersed in the a...

Subject

Materials science

Crystallite

Photoluminescence

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