Colour changes produced in natural brown diamonds by high-pressure, high-temperature treatment

作者: Alan T Collins , Hisao Kanda , Hiroshi Kitawaki

DOI: 10.1016/S0925-9635(00)00249-1

关键词: Slip (materials science)Absorption bandAbsorption spectroscopyAnalytical chemistryNitrogenPhotoluminescenceChemistryAnnealing (metallurgy)MineralogyDiamondLuminescence

摘要: … a ZPL at 2.463 eV (503.2 nm) and resulting in a yellow colour. At … light transmitted by these diamonds is predominantly yellow, … forms of nitrogen to produce new colour centres. In type Ib …

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