Abstract
By replacing the anvils in a diamond cell with transparent gem materials, a gem anvil cell (GAC) has been constructed for high-pressure generation. We reached pressures of 8.9 and 7.8 GPa with cubic zirconia and sapphire anvil cell, respectively. For high-temperature studies the cell can be heated to temperatures as high as 2000 °C with resistive heating of the gasket. Simultaneously high temperature and pressure approaching 1700 °C and 6 GPa were obtained as indicated by the direct conversion of graphite to diamond in the high-temperature GAC.
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