Surface lattice Green's functions for high-entropy alloys
Wolfram Georg Nöhring,
Jan Grießer,
Patrick Dondl
et al.
Abstract:We study the surface elastic response of pure Ni, the random alloy FeNiCr and an average FeNiCr alloy in terms of the surface lattice Green's function. We propose a scheme for computing per-site Green's function and study their per-site variations. The average FeNiCr alloys accurate reproduces the mean Green's function of the full random alloy. Variation around this mean is largest near the edge of the surface Brillouin-zone and decays as q −2 with wavevector q towards the Γ-point. We also present expressions … Show more
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