Abstract:We report the measurements of the thermal conductivity (κ) of iron (F e) and nickel (N i) at high pressures and high temperatures. κ values are estimated from the temperature measurements across the sample surface in a laser heated diamond anvil cell (LHDAC) and using the COMSOL software. Near-isothermal κ's are observed to increase with pressure in both the metals due to the increase of density of the pressed metals. In both metals κ's are observed to follow a sharp fall during melting at different pressure p… Show more
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