Table 1 The vacancy concentration Xv is indirectly estimated using equation (1). The self−diffusion coefficients Dsd are from Xu et al.55 and the vacancy diffusion coefficients Dv are calculated from Ammann et al.58. Both Dsd and Dv are estimated at 25 GPa.

From: The role of diffusion-driven pure climb creep on the rheology of bridgmanite under lower mantle conditions

T (K)

Dsd (m2/s)55

Dv (m2/s)58

X v

1670

2.6 ∙ 10−20

2.6 ∙ 10−18

1.0 ∙ 10−2

1770

1.5 ∙ 10−20

1.1 ∙ 10−17

1.4 ∙ 10−3

1870

2.1 ∙ 10−19

4.0 ∙ 10−17

5.2 ∙ 10−3

1870

1.9 ∙ 10−19

4.0 ∙ 10−17

4.6 ∙ 10−3

2070

1.1 ∙ 10−18

3.6 ∙ 10−16

2.9 ∙ 10−3

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