najoNanosystems: Physics, Chemistry, MathematicsНаносистемы: физика, химия, математика2220-80542305-7971Университет ИТМО10.17586/2220-8054-2019-10-1-12-17najo-528Research ArticlePHYSICSФИЗИКАPhoto- and cathodoluminescence spectra of diamond single crystals formed by sintering of detonation nanodiamondKidalovS. V.

Polytechnicheskaya 26, St. Petersburg, 194021 

ZamoryanskayaM. V.

Polytechnicheskaya 26, St. Petersburg, 194021 

KravezV. A.

Polytechnicheskaya 26, St. Petersburg, 194021 

SharonovaL. V.

Polytechnicheskaya 26, St. Petersburg, 194021 

ShakhovF. M.

Polytechnicheskaya 26, St. Petersburg, 194021 

YudinaE. B.

Polytechnicheskaya 26, St. Petersburg, 194021 

ArtamonovaT. O.

Polytechnicheskaya 29, St. Petersburg, 195251

KhodorkovskiiM. A.

Polytechnicheskaya 29, St. Petersburg, 195251

VulA. Ya.

Polytechnicheskaya 26, St. Petersburg, 194021 

alexandervul@mail.ioffe.ruIoffe InstituteRussian FederationPeter the Great St. Petersburg Polytechnic UniversityRussian Federation2019060820251011217Copyright © 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.Y., 20252025Kidalov 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.Y.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.Y.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://nanojournal.ifmo.ru/jour/article/view/528

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.

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The authors declare that there are no conflicts of interest present.