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Titolo:
ANISOTROPIC COARSENING OF PERIODIC GROOVES - TIME-RESOLVED X-RAY-SCATTERING
Autore:
YOON M; MOCHRIE SGJ; TATE MW; GRUNER SM; EIKENBERRY EF;
Indirizzi:
MIT,DEPT PHYS CAMBRIDGE MA 02139 PRINCETON UNIV,DEPT PHYS PRINCETON NJ 08544
Titolo Testata:
Physical review letters
fascicolo: 2, volume: 80, anno: 1998,
pagine: 337 - 340
SICI:
0031-9007(1998)80:2<337:ACOPG->2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
PHASE-SEPARATION; ELECTRON-MICROSCOPY; FACETING KINETICS; SURFACES; SI(111); DYNAMICS; SHAPES; GROWTH; STEPS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
25
Recensione:
Indirizzi per estratti:
Citazione:
M. Yoon et al., "ANISOTROPIC COARSENING OF PERIODIC GROOVES - TIME-RESOLVED X-RAY-SCATTERING", Physical review letters, 80(2), 1998, pp. 337-340

Abstract

Coarsening dynamics of mesoscopic periodic grooves (500-1500 Angstrom) is characterized, as they self-assemble on a miscut Si(113) surface,following a temperature quench through a faceting transformation. Useof an area detector in glancing angle reflection geometry allowed forsimultaneous measurements of highly anisotropic length scales. Over more than two decades of time, the length of the grooves grows as the third power of the width of the grooves. This result constitutes a direct confirmation of a recently proposed theory and the observation of anisotropic dynamic scaling behavior.

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Documento generato il 30/10/20 alle ore 09:48:38