CVD Nanocrystalline Diamond Film Doped with Eu

Elena B Yudina; Alexander E Aleksenskii; Sergey A Bogdanov; Sergey S Bukalov; Larisa A Leites; Dmitry B Radishev; Anatoly L Vikharev; Alexander Y Vul'

doi:10.3390/ma15165788

CVD Nanocrystalline Diamond Film Doped with Eu

Materials (Basel). 2022 Aug 22;15(16):5788. doi: 10.3390/ma15165788.

Authors

Elena B Yudina¹, Alexander E Aleksenskii¹, Sergey A Bogdanov², Sergey S Bukalov³, Larisa A Leites³, Dmitry B Radishev², Anatoly L Vikharev², Alexander Y Vul'¹

Affiliations

¹ Ioffe Institute, Polytechnicheskaya Str. 26, 194021 St. Petersburg, Russia.
² Institute of Applied Physics RAS, 46 Ul'yanov Str., 603950 Nizhny Novgorod, Russia.
³ Nesmeyanov Institute of Organoelement Compounds, Vavilova Str. 28, 119991 Moscow, Russia.

Abstract

This paper submits experimental results of a study directed towards the formation of Eu ions' luminescent centers in CVD diamond films. A new approach is based on use of diamond nanoparticles with a surface modified with Eu ions for seeding at CVD growth. Nanocrystalline diamond films (NCD) doped with Eu have been grown from the gas phase on silicon substrates by microwave plasma-assisted CVD at a frequency of 2.45 GHz. The photoluminescence spectra clearly show several electronic transitions of the Eu³⁺ ions, which confirm the incorporation of Eu ions into the NCD film.

Keywords: CVD diamond film; Eu ion color centers; diamond nanoparticle; rare-earth element photoluminescence.

Grants and funding

The research of A.E.A., A.Y.V., E.B.Y. was supported in the frame of Ioffe Institute project 0040-2019-0013. The research of S.S.B., L.A.L. was supported by the Ministry of Science and Higher Education of the Russian Federation (Contract/agreement No. 075-00697-22-00).