Extended Data Fig. 4: The evolution of Raman spectra of primary and secondary anvils upon compression of dsDAC #2. | Nature

Extended Data Fig. 4: The evolution of Raman spectra of primary and secondary anvils upon compression of dsDAC #2.

From: Materials synthesis at terapascal static pressures

Extended Data Fig. 4

The pressure is determined from diamond line Raman shift24. The pressures on primary anvil are shown on the left. The peaks at ~1,600 cm−1 are the pressures on the body of the secondary anvil. The values on the right give estimates of pressures from the broadened Raman line of the secondary anvil (the arrows provide examples of positions found by analysis of the first derivatives of the spectra). Reliable determination of the pressure in the chamber from the Raman shift of the diamond line of the secondary nanocrystalline diamond anvils is not feasible.

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