This
photograph shows a synthetic brilliant cut single-crystal
diamond grown by chemical vapor deposition, CVD. About
2.5 mm high, this crystal was grown in about 1 day at
Carnegie. The very bottom (table) of the crystal is a
type 1b seed: hence the yellow tint which is due to internal
reflection (the CVD diamond is transparent). [C.S. Yan
et al., Physica Status Solidi (a) 201,R25 (2004)(PDF 288KB)].
The researchers have also reported that these CVD diamonds
are capable of easily generating ultrahigh pressures to
at least 200 GPa.[W.L. Mao et al., Appl. Phys. Lett. 83,
5190 (2003)(PDF 288KB)].
Image used with permission of Physica Status Solidi.
(high-resolution
image) |
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