Melting curve of elemental zirconium

Abstract

Melting experiments require rapid data acquisition due to instabilities of the molten sample and optical drifting due to the high required laser power. In this work, the melting curve of zirconium has been determined for the first time up to 80 GPa and 4000 K using in-situ fast x-ray diffraction (XRD) in a laser-heated diamond anvil cell (LH-DAC). The main method used for melt detection was the direct observance of liquid diffuse scattering (LDS) in the XRD patterns and it has been proven to be a reliable melting diagnostic. The effectiveness of other melting criteria such as the appearance temperature plateaus with increasing laser power is also discussed.

References in corpus (2)

• Melting of tantalum at high pressure determined by angle dispersive x-ray diffraction in a double-sided laser-heated diamond-anvil cell
• Improving the understanding of the melting behaviour of Mo, Ta, and W at extreme pressures

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• Cascading crystallographic transitions and melting curve of elemental zirconium
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