Nanoscale wire formation on sputter-eroded surfaces
نویسندگان
چکیده
منابع مشابه
Nanoscale Structure Formation on Sputter Eroded Surface
Experimental results on ion sputtered surfaces, covering amorphous and crystalline materials (SiO2 [1]), and both metals (Ag [2]) and semiconductors (Ge [3], Si [4,5]), have motivated extensive theoretical work aiming to uncover the mechanism responsible for ripple formation and kinetic roughening. A particularly successful model has been proposed by Bradley and Harper (BH) [6], in which the he...
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The temporal evolution of ripple pattern on Ge, Si, Al 2 O 3, and SiO 2 by low-energy ion beam erosion with Xe (+) ions is studied. The experiments focus on the ripple dynamics in a fluence range from 1.1 × 10(17) cm(-2) to 1.3 × 10(19) cm(-2) at ion incidence angles of 65° and 75° and ion energies of 600 and 1,200 eV. At low fluences a short-wavelength ripple structure emerges on the surface t...
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Recent experimental studies focusing on the morphological properties of surfaces eroded by ion-bombardment report the observation of self-affine fractal surfaces, while others provide evidence about the development of a periodic ripple structure. To explain these discrepancies we derive a stochastic growth equation that describes the evolution of surfaces eroded by ion bombardment. The coeffici...
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ژورنال
عنوان ژورنال: Applied Physics Letters
سال: 2002
ISSN: 0003-6951,1077-3118
DOI: 10.1063/1.1519963