The strictly attractive 1/l2 interaction between steps of crystal surfaces

Using SSH model for the step structure of crystal surfaces, a strictly attractive 1/l2 energy, which originates from the quantum effect of surface atoms' collective relaxation, was obtained for the first time and shown to generally exist between steps. The repulsive 1/l step interaction was con...

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Veröffentlicht in:	Surface science 2007-05, Vol.601 (9), p.1944-1948
Hauptverfasser:	GUOZHONG WANG, WEBB, J. F, JIAN ZI
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Physics
Online-Zugang:	Volltext
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