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https://elib.bsu.by/handle/123456789/305583| Title: | Spectroscopic characterization of yellow gem quality CVD diamond |
| Authors: | Johnson, P. Moe, K. S. Persaud, S. Odake, S. Kazuchits, N. M. Zaitsev, A. M. |
| Keywords: | ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика |
| Issue Date: | 2023 |
| Publisher: | Elsevier |
| Citation: | Diamond and Related Materials. – 2023. – Vol. 140. – P. 110505. |
| Abstract: | CVD (chemical vapor deposition) diamond in the gem market today is dominated by colorless and pink material. However yellow CVD material is also found and it is concluded that all the yellow CVD diamonds found in the gem market have been post growth HPHT (high pressure high temperature) processed. This study shows that HPHT and LPHT (low pressure high temperature) treatments are essential for removal of the brown and gray color associated with as grown CVD material. The distinguishing temperatures and conditions of these treatments can be determined from the spectroscopic study of vacancy-related optical centers. |
| Description: | The authors are grateful to Dr. Wuyi Wang (GIA, New York), Dr. Ulrika D’Haenens-Johansson (GIA, New York) and Dr. Sally Eaton-Magaña (GIA, Carlsbad) for discussions, Seok Woo Hong (GIA, New York) for providing PL data collection, Dr. O. V. Korolik (Belarussian State University, Minsk) for PL measurements with UV laser and Sood Oil (Judy) Chia (GIA, New York) for taking optical images of the samples. |
| URI: | https://www.sciencedirect.com/science/article/abs/pii/S0925963523008300 https://elib.bsu.by/handle/123456789/305583 |
| ISSN: | 0925-9635 |
| DOI: | 10.1016/j.diamond.2023.110505 |
| Licence: | info:eu-repo/semantics/openAccess |
| Appears in Collections: | Кафедра физики полупроводников и наноэлектроники (статьи) |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Spectroscopic characterization of yellow gem quality CVD diamond.pdf | 1,43 MB | Adobe PDF | View/Open |
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