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Surface Chemical Effects on the Optical Properties of Thin Nanocrystalline Diamond Films

Published online by Cambridge University Press:  15 February 2011

A. V. Khomich ,
V. I. Polyakov ,
P. I. Perov ,
V. P. Varnin ,
I. G. Teremetskaya ,
V. G. Balakirev  and
E. D. Obraztsova
A. V. Khomich
Affiliation:
Institute of Radio Eng. & Electronics RAS, Moscow, Russia, [email protected]
V. I. Polyakov
Affiliation:
Institute of Radio Eng. & Electronics RAS, Moscow, Russia, [email protected]
P. I. Perov
Affiliation:
Institute of Radio Eng. & Electronics RAS, Moscow, Russia, [email protected]
V. P. Varnin
Affiliation:
Institute of Physical Chemistry RAS, Moscow, Russia
I. G. Teremetskaya
Affiliation:
Institute of Physical Chemistry RAS, Moscow, Russia
V. G. Balakirev
Affiliation:
Institute SMS, Aleksandrov, Vladimirskaya obl., Russia
E. D. Obraztsova
Affiliation:
General Physics Institute, RAS, 117942 Moscow, Russia
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Abstract

The effect of annealing in air on internal structure and optical properties of hot filament CVD nanocrystalline diamond films was investigated. Oxidation of the films lead to selective removal of intercrystallite layers with formation of highly porous structure with characteristic dimensions of several nanometers. Dramatic changes in optical transmission and Raman spectra were also observed. The origin of the two Raman spectrum maxima at 1140 and 500 cm−1 is discussed. Hydrogen absorption and desorption processes in porous diamond were studied.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 423: Symposium E – III-Nitride, SiC, and Diamond Materials for Electronic , 1996 , 723
Copyright
Copyright © Materials Research Society 1996

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References

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