Effects of the substrate on quantum well states: A first-principles study for Ag/Fe(100)
- Citation:
- Wei, C. M., & Chou M. Y. (2003). Effects of the substrate on quantum well states: A first-principles study for Ag/Fe(100). Physical Review B. 68, 5., Sep, Number 12
Abstract:
We have studied the properties of quantum well states in supported Ag(100) films on the Fe substrate by first-principles density-functional calculations. The energies of these quantum well states as a function of thickness N are examined in terms of the characteristic phase shift of the electronic wave function at the interface. These energy-dependent phase shifts are determined numerically for both the film-substrate and film-vacuum interfaces. It is also found that the substrate has a major effect on film stability, enhancing the stability of the N=5 film and reversing that of the N=2 film.
Notes:
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