<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Raman spectroscopy is a most often used standard technique for characterization of different carbon materials. In this work we present the Raman spectra of polycrystalline diamond layers of different quality, synthesized by Hot Filament Chemical Vapor Deposition method (HF CVD). We show how to use Raman spectroscopy for the analysis of the Raman bands to determine the structure of diamond films as well as the structure of amorphous carbon admixture. Raman spectroscopy has become an important technique for the analysis of CVD diamond films. The first-order diamond Raman peak at ca. 1332 cm<sup>−1</sup> is an unambiguous evidence for the presence of diamond phase in the deposited layer. However, the existence of non-diamond carbon components in a CVD diamond layer produces several overlapping peaks in the same wavenumber region as the first order diamond peak. The intensities, wavenumber, full width at half maximum (FWHM) of these bands are dependent on quality of diamond layer which is dependent on the deposition conditions. The aim of the present work is to relate the features of diamond Raman spectra to the features of Raman spectra of non-diamond phase admixture and occurrence of other carbon structures in the obtained diamond thin films.</p></abstract>

Raman spectroscopy is a most often used standard technique for characterization of different carbon materials. In this work we present the Raman spectra of polycrystalline diamond layers of different quality, synthesized by Hot Filament Chemical Vapor Deposition method (HF CVD). We show how to use Raman spectroscopy for the analysis of the Raman bands to determine the structure of diamond films as well as the structure of amorphous carbon admixture. Raman spectroscopy has become an important technique for the analysis of CVD diamond films. The first-order diamond Raman peak at ca. 1332 cm−1 is an unambiguous evidence for the presence of diamond phase in the deposited layer. However, the existence of non-diamond carbon components in a CVD diamond layer produces several overlapping peaks in the same wavenumber region as the first order diamond peak. The intensities, wavenumber, full width at half maximum (FWHM) of these bands are dependent on quality of diamond layer which is dependent on the deposition conditions. The aim of the present work is to relate the features of diamond Raman spectra to the features of Raman spectra of non-diamond phase admixture and occurrence of other carbon structures in the obtained diamond thin films.

Study of CVD diamond layers with amorphous carbon admixture by Raman scattering spectroscopy

Medical Physics Department, Oncology Center

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Raman spectroscopy is a most often used standard technique for characterization of different carbon materials. In this work we present the Raman spectra of...

Study of CVD diamond layers with amorphous carbon admixture by Raman scattering spectroscopy

Published Online: Jan 06, 2016

Page range: 799 - 805

Received: Jan 17, 2015

Accepted: Apr 02, 2015

DOI: https://doi.org/10.1515/msp-2015-0067

Keywords
Raman spectroscopy, carbon materials, diamond structure, amorphous carbon, CVD diamond films

© 2015 Anna Dychalska et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Study of CVD diamond layers with amorphous carbon admixture by Raman scattering spectroscopy

Published Online: Jan 06, 2016

Page range: 799 - 805

Received: Jan 17, 2015

Accepted: Apr 02, 2015

DOI: https://doi.org/10.1515/msp-2015-0067

KeywordsRaman spectroscopy, carbon materials, diamond structure, amorphous carbon, CVD diamond films

© 2015 Anna Dychalska et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Raman spectroscopy, carbon materials, diamond structure, amorphous carbon, CVD diamond films