Table 1 Ambient volume V0, bulk modulus B0, first derivative of bulk modulus B0′, maximum pressure reached, Pmax, pressure transmitting medium (PTM) and calibrants.

From: Phase stability and electronic structure of iridium metal at the megabar range

V0 (A3)

B0 (GPa)

B0′

Pmax (GPa)

PTM

Calibrant

 

56.48

339 (3)

5.3 (1)

137

He

Cu

This work

56.58

383 (14)

3.1 (8)

60

Ar

Ruby

ref.1

56.58

366

5.0

Ab initio up to 900 GPa

ref.9

56.69 (17)

306 (23)

6.8

65

MgO

MgO

ref.7

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