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B–C Bond in Diamond Single Crystal Synthesized with h-BN Additive at High Pressure and High Temperature.
- Source :
-
Chinese Physics Letters . Feb2016, Vol. 33 Issue 2, p1-1. 1p. - Publication Year :
- 2016
-
Abstract
- The synthesis of diamond single crystal in the Fe64Ni36-C system with h-BN additive is investigated at pressure 6.5 GPa and temperature range of 1300–1400°C. The color of the obtained diamond crystals translates from yellow to dark green with increasing the h-BN addition. Fourier-transform infrared (FTIR) results indicate that sp2 hybridization B-N-B and B-N structures generate when the additive content reaches a certain value in the system. The two peaks are located at 745 and 1425 cm−1, respectively. Furthermore, the FTIR characteristic peak resulting from nitrogen pairs is noticed and it tends to vanish when the h-BN addition reaches 1.1 wt%. Furthermore, Raman peak of the synthesized diamond shifts down to a lower wavenumber with increasing the h-BN addition content in the synthesis system. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 0256307X
- Volume :
- 33
- Issue :
- 2
- Database :
- Academic Search Index
- Journal :
- Chinese Physics Letters
- Publication Type :
- Academic Journal
- Accession number :
- 112804506
- Full Text :
- https://doi.org/10.1088/0256-307X/33/2/028101