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Article Dans Une Revue Physical Review Letters Année : 2003

From Meandering to Faceting, Is Step Flow Growth Ever Stable?

Résumé

Based on helium atom beam diffraction and scanning tunneling microscopy data, the coexistence of a meandering and a bunching instability during homoepitaxial step flow growth is established in a class of nonreconstructed, metallic vicinal surfaces, Cu (1, 1, n), n = 5; 9; 17. Specifically, the meandering instability is shown to act as a precursor to the bunching instability, indicating that a one-dimensional treatment of bunching in step flow growth is not sufficient. Our findings might be generic to step flow growth in kinetically restricted systems.
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Dates et versions

hal-04329648 , version 1 (07-12-2023)

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N. Néel, T. Maroutian, L. Douillard, H.-J. Ernst. From Meandering to Faceting, Is Step Flow Growth Ever Stable?. Physical Review Letters, 2003, 91 (22), pp.226103. ⟨10.1103/PhysRevLett.91.226103⟩. ⟨hal-04329648⟩
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