NUCLEATION OF ISLANDS WITH VERTICAL OR TRUNCATED CORNER FACETS IN VAPOR-LIQUID-SOLID NANOWIRES

被引：0

作者：

Dubrovskii, V. G. ^{[1
]}

Sokolova, Zh, V ^{[1
]}

Rylkova, M., V ^{[1
]}

Zhiglinsky, A. A. ^{[1
]}

机构：

[1] ITMO Univ, Kronverkskiy Pr 49, St Petersburg 197101, Russia

来源：

MATERIALS PHYSICS AND MECHANICS | 2019年 / 42卷 / 02期

关键词：

nanowires; vapor-liquid-solid growth; nucleation; truncation; surface energy; chemical potential; contact angle; CRYSTAL PHASE; GROWTH; WHISKERS;

D O I：

10.18720/MPM.4222019_1

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We develop a model for nucleation of islands in vapor-liquid-solid nanowires with either vertical or truncated corner facets. Under the assumption of two-dimensional geometry of the growing island, it is shown that the earlier energetic condition for the truncated edge at the growth interface is modified by chemical potential. Therefore, the islands may nucleate at the trijunction during growth even if the truncation is preferred at the no growth conditions on surface energetic grounds. This conclusion may be used as the first step for understanding the peculiar oscillatory behavior of the growth interface and the related crystal phases of III-V nanowires.

引用

页码：159 / 164

页数：6

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