NUCLEATION AND GROWTH OF DIAMOND FILM ON POROUS SILICON SUBSTRATE

Author:

LIAO Y.12,FANG R. C.2,YE F.2,SHAO Q. Y.2,WANG G. Z.12

Affiliation:

1. Structure Research Laboratory, University of Science and Technology of China, Hefei, 230026, China

2. Department of Physics, University of Science and Technology of China, Hefei, 230026, China

Abstract

Nucleation and growth of diamond film on porous silicon are investigated in a hot-filament chemical vapor deposition system. The characters of diamond film are determined by scanning electronic microscopy, Raman spectra and X-ray photoelectron spectroscopy. A nucleation density of 3.6×107 cm -2 is obtained. We find that almost all nuclei occur at the edge of the etched pores. The diamond film directly deposits on porous silicon substrate without the intermediate and no strains are found in the film.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

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