Optical excitation of paramagnetic nitrogen in chemical vapor deposited diamond
- 18 November 1996
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 69 (21) , 3215-3217
- https://doi.org/10.1063/1.117965
Abstract
Investigations of polycrystalline chemical vapor deposited diamond films by electron-spin-resonance (ESR), light-induced (L)ESR, and the constant photoconductivity method have identified dispersed substitutional nitrogen (P1 center) as the main paramagnetic form of N incorporated in the CVD diamond. The density of N-related paramagnetic states is strongly affected by illumination and heat treatment. It is found that the P1 center in CVD diamond gives rise to a deep donor state about 1.5 eV below the conduction band.Keywords
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