Journal
MENDELEEV COMMUNICATIONS
Volume 32, Issue 5, Pages 645-648Publisher
ELSEVIER
DOI: 10.1016/j.mencom.2022.09.026
Keywords
synthetic diamond; impurities; high pressure and high temperature; electron spin resonance; solid state chemistry; analytical chemistry
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Funding
- Ioffe Institute [0040-2014-0013]
- JSPS KAKENHI [16K05758, 19K05410, 26107532]
- Hosei University (Japan)
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Nitrogen and nickel are the main impurities in type Ib synthetic diamonds obtained under high pressure and high temperature conditions. The study found that an aluminum getter can prevent nitrogen from penetrating the diamond lattice.
Nitrogen and nickel are the main impurities in the type Ib synthetic diamonds obtained under high pressure and high temperature conditions using nickel-containing catalysts. Nitrogen enters the synthesized diamond from the air. The nickel/nitrogen ratio for the two types of diamonds, obtained with and without an aluminum getter that prevents the diamond crystal lattice from nitrogen penetration, was studied by electron spin resonance at 90 K.
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