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Titolo:
TRICRITICALITY IN THE ORIENTATIONAL PHASE-DIAGRAM OF STEPPED SI(113) SURFACES
Autore:
SONG S; MOCHRIE SGJ;
Indirizzi:
MIT,DEPT PHYS CAMBRIDGE MA 02139
Titolo Testata:
Physical review letters
fascicolo: 7, volume: 73, anno: 1994,
pagine: 995 - 998
SICI:
0031-9007(1994)73:7<995:TITOPO>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
CRYSTAL SHAPES; EQUILIBRIUM;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
16
Recensione:
Indirizzi per estratti:
Citazione:
S. Song e S.G.J. Mochrie, "TRICRITICALITY IN THE ORIENTATIONAL PHASE-DIAGRAM OF STEPPED SI(113) SURFACES", Physical review letters, 73(7), 1994, pp. 995-998

Abstract

An x-ray scattering study is presented of the orientational phase diagram of Si surfaces misoriented by up to 6-degrees from the cubic [113] direction towards [001] and for temperatures between 300 and 1500 K. At the highest temperatures, the surface is uniformly stepped. Below T(t) = 1223 K, there is a two-phase region in which (113) facets appear in coexistence with the stepped phase. We identify T(t) as a tricritical point. For temperatures between a triple point at T3 = 1134 K and300 K, coexistence between the (113) facet and the (114) facet is found.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/09/20 alle ore 02:11:28