Research output: Contribution to journal › Article › peer-review
Effect of nitrogen impurities on the Raman line width in diamond, revisited. / Surovtsev, Nikolay V.; Kupriyanov, Igor N.
In: Crystals, Vol. 7, No. 8, 239, 01.08.2017.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Effect of nitrogen impurities on the Raman line width in diamond, revisited
AU - Surovtsev, Nikolay V.
AU - Kupriyanov, Igor N.
N1 - Publisher Copyright: © 2017 by the authors.
PY - 2017/8/1
Y1 - 2017/8/1
N2 - The results of a high-resolution Raman scattering study of a diamond crystal with a high content of single substitutional nitrogen impurities (550 ppm) in the temperature range from 50 to 673 K are presented and compared with the data for defect-free diamond. It is established that the increase of the nitrogen concentration in diamond leads to the temperature-independent increase of the Raman line width. Analysis of the experimental data allows us to conclude that this broadening should be attributed to the defect-induced shortening of the Raman phonon lifetime. We believe that this mechanism is responsible for the increase of the Raman line width caused by most point-like defects in diamond. No pronounced effects of the nitrogen defects on the Raman line position and phonon anharmonicity are observed.
AB - The results of a high-resolution Raman scattering study of a diamond crystal with a high content of single substitutional nitrogen impurities (550 ppm) in the temperature range from 50 to 673 K are presented and compared with the data for defect-free diamond. It is established that the increase of the nitrogen concentration in diamond leads to the temperature-independent increase of the Raman line width. Analysis of the experimental data allows us to conclude that this broadening should be attributed to the defect-induced shortening of the Raman phonon lifetime. We believe that this mechanism is responsible for the increase of the Raman line width caused by most point-like defects in diamond. No pronounced effects of the nitrogen defects on the Raman line position and phonon anharmonicity are observed.
KW - Diamond
KW - Nitrogen defects
KW - Raman linewidth
KW - Raman scattering
KW - IB DIAMOND
KW - DEFECTS
KW - CHEMICAL-VAPOR-DEPOSITION
KW - diamond
KW - SINGLE-CRYSTALS
KW - TEMPERATURE
KW - SPECTROSCOPY
KW - nitrogen defects
KW - GROWTH
KW - SPECTRA
KW - SCATTERING
KW - DOPED DIAMOND
UR - http://www.scopus.com/inward/record.url?scp=85026771499&partnerID=8YFLogxK
U2 - 10.3390/cryst7080239
DO - 10.3390/cryst7080239
M3 - Article
AN - SCOPUS:85026771499
VL - 7
JO - Crystals
JF - Crystals
SN - 2073-4352
IS - 8
M1 - 239
ER -
ID: 10068930