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On the increase in thermal diffusivity caused by the perovskite to post-perovskite phase transition and its implications for mantle dynamics

Date

Authors

Hunt, Simon A.

Davies, Rhodri

Walker, Andrew

McCormack, Richard J.

Wills, Andrew S.

Dobson, David P.

Li, Li

Publisher

Elsevier

Abstract

The thermal diffusivity (κ) of perovskite and post-perovskite CaIrO 3 has been measured, at elevated pressure and temperatures up to 600°C, using the X-radiographic Ångström method. At high temperatures we find that the thermal diffusivity of post-per

Keywords

Keywords: CaIrO 3 ; Convection model; Elevated pressure; High temperature; M method; Mantle dynamics; Perovskite to post-perovskite phase transition; Post-perovskite; Temperature range; Thermal transport properties; Dynamics; Thermal diffusivity; Transpor Ångström method; CaIrO 3; D double-prime (D?); Perovskite; Post-perovskite; Thermal diffusivity

URI

http://hdl.handle.net/1885/78143

Collections

ANU Research Publications

Source

Earth and Planetary Science Letters

Type

Journal article

DOI

10.1016/j.epsl.2011.12.009

Restricted until

2037-12-31

Downloads

File

Description

01_Hunt_On_the_increase_in_thermal_2012.pdf (790.98 KB)

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