Photo- and cathodoluminescence spectra of diamond single crystals formed by sintering of detonation nanodiamond
https://doi.org/10.17586/2220-8054-2019-10-1-12-17
Abstract
The photo- and cathodoluminescence spectra (PL, CL) of diamond single crystals synthesized under high-pressure and at high-temperature (HPHT sintering) from detonation nanodiamonds (DND) particles with Gd and Eu ion-functionalized surfaces have been studied. The HPHT sintering was made under pressures (P ∼ = 7 GPa) and temperature (T = 1300 – 1500 ◦C). The DND particles have sizes of 4 – 5 nm, hydrocarbons and/or alcohols were used at the HPHT synthesis instead of traditional metal catalysts. The initial and synthesized crystals were characterized by X-ray microanalysis, mass-spectroscopy, scanning electron microscopy (SEM), PL and CL. Mass spectra confirmed that Gd and Eu atoms were inserted into the volume of diamond single crystals in the HPHT sintering. A significant conversion of the PL and CL spectra of synthesized diamond single crystals compared with HPHT diamond crystals were observed. Transformation of the point defect assemblies inherent to the diamond crystal can explain the observed spectra.
Keywords
detonation nanodiamond,
surface modification,
HPHT synthesis,
diamond single crystal,
photoluminescence of diamond,
cathodoluminescence of diamond,
defects in diamond,
N–V centers,
3d–4f elements
Supporting agencies: The research was supported by the Russian Science Foundation (Project 14-13-00795). Mass spectrometry was carried out using scientific equipment of the Center of Shared Usage “The analytical center of nano- and biotechnologies of SPbPU”. Authors thanks to Dr. Artur Dideikin for very useful discussion and advices.
About the Authors
S. V. Kidalov
Ioffe Institute
Russian Federation
Russian Federation
Polytechnicheskaya 26, St. Petersburg, 194021
M. V. Zamoryanskaya
Ioffe Institute
Russian Federation
Russian Federation
Polytechnicheskaya 26, St. Petersburg, 194021
V. A. Kravez
Ioffe Institute
Russian Federation
Russian Federation
Polytechnicheskaya 26, St. Petersburg, 194021
L. V. Sharonova
Ioffe Institute
Russian Federation
Russian Federation
Polytechnicheskaya 26, St. Petersburg, 194021
F. M. Shakhov
Ioffe Institute
Russian Federation
Russian Federation
Polytechnicheskaya 26, St. Petersburg, 194021
E. B. Yudina
Ioffe Institute
Russian Federation
Russian Federation
Polytechnicheskaya 26, St. Petersburg, 194021
T. O. Artamonova
Peter the Great St. Petersburg Polytechnic University
Russian Federation
Russian Federation
Polytechnicheskaya 29, St. Petersburg, 195251
M. A. Khodorkovskii
Peter the Great St. Petersburg Polytechnic University
Russian Federation
Russian Federation
Polytechnicheskaya 29, St. Petersburg, 195251
A. Ya. Vul
Ioffe Institute
Russian Federation
Russian Federation
Polytechnicheskaya 26, St. Petersburg, 194021
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Review
For citations:
Kidalov S.V., Zamoryanskaya M.V., Kravez V.A., Sharonova L.V., Shakhov F.M., Yudina E.B., Artamonova T.O., Khodorkovskii M.A., Vul A.Ya. Photo- and cathodoluminescence spectra of diamond single crystals formed by sintering of detonation nanodiamond. Nanosystems: Physics, Chemistry, Mathematics. 2019;10(1):12-17. https://doi.org/10.17586/2220-8054-2019-10-1-12-17
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