Effects of Mg on diamond growth and properties in Fe–C system under high pressure and high temperature condition |
Sample assembly of 1/4 part for diamond synthesis by HPHT. 1: pyrophyllite; 2: ZrO2 sleeve; 3: end cap of dolomite; 4: dolomite sleeve; 5: NaCl+Al2O3 sleeve; 6: sub-heater of graphite; 7 and 10: cap of ZrO2; 8: metal medium; 9: graphite of carbon source; 11: sheet graphite; 12: steel ring; 13: graphite heater. |