Effects of Mg on diamond growth and properties in Fe–C system under high pressure and high temperature condition
Huang Guo-Feng1, †, , Zheng You-Jin2, Li Zhan-Chang1, Gao Qiang1, Ma Zhuo1, Shi Si-Ming1, Jiang Bao-Gang1, Zhao He1
       

Micro-Raman spectra of diamond crystals grown in the catalytic metal of Fe100−xMgx with x = 0 (curve a), 2.3 (curve b), 4.6 (curve c), 6.9 (curve d), and 9.2 (curve e). Spectrum (curve f) from diamond sample grown by the film growth process is used for comparison.