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Body centered phase of Cu at high temperature and pressure

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arxiv 1808.08860 v1 pith:JX4LFTMJ submitted 2018-08-27 cond-mat.mtrl-sci

Body centered phase of Cu at high temperature and pressure

classification cond-mat.mtrl-sci
keywords highphasetemperaturebeenbodycalculationscenteredpressure
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The existence of a body centered tetragonal phase of Cu has been investigated in this manuscript when the single crystal FCC Cu is subjected to both high pressure and high temperature. The results have been demonstrated through DFT calculations (which are typically done at 0 K) followed by Helmholtz free energy calculations (for high temperature). The new metastable phase of Cu demonstrates higher thermal conductivity compared to that of the FCC phase and thereby may be beneficial for high temperature engineering applications.

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