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Titolo:
Dynamics of ripple formation in sputter erosion: Nonlinear phenomena
Autore:
Park, S; Kahng, B; Jeong, H; Barabasi, AL;
Indirizzi:
Konkuk Univ, Dept Phys, Seoul 143701, South Korea Konkuk Univ Seoul South Korea 143701 ept Phys, Seoul 143701, South Korea Konkuk Univ, Ctr Adv Mat & Devices, Seoul 143701, South Korea Konkuk UnivSeoul South Korea 143701 Devices, Seoul 143701, South Korea Univ Notre Dame, Dept Phys, Notre Dame, IN 46556 USA Univ Notre Dame Notre Dame IN USA 46556 pt Phys, Notre Dame, IN 46556 USA
Titolo Testata:
PHYSICAL REVIEW LETTERS
fascicolo: 17, volume: 83, anno: 1999,
pagine: 3486 - 3489
SICI:
0031-9007(19991025)83:17<3486:DORFIS>2.0.ZU;2-Y
Fonte:
ISI
Lingua:
ENG
Soggetto:
PARISI-ZHANG EQUATION; ROUGHENING INSTABILITY; NUMERICAL-SOLUTION; ION-BOMBARDMENT; SURFACE GROWTH; DIMENSIONS; SI;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
30
Recensione:
Indirizzi per estratti:
Indirizzo: Park, S Konkuk Univ, Dept Phys, Seoul 143701, South Korea Konkuk Univ Seoul South Korea 143701 , Seoul 143701, South Korea
Citazione:
S. Park et al., "Dynamics of ripple formation in sputter erosion: Nonlinear phenomena", PHYS REV L, 83(17), 1999, pp. 3486-3489

Abstract

Many morphological features of sputter eroded surfaces are determined by the balance between ion-induced linear instability and surface diffusion. However, the impact of the nonlinear terms on the morphology is less understood. We demonstrate that, while at short times ripple formation is describedby the linear theory, after a characteristic time the nonlinear terms determine the surface morphology by either destroying the ripples or generatinga new rotated ripple structure. We show that the morphological transitionsinduced by the nonlinear effects can be detected by monitoring the surfacewidth and the erosion velocity.

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Documento generato il 27/11/20 alle ore 01:14:38