Adatom transport on strained Cu(001): Surface crowdions

被引:33
作者
Xiao, W [1 ]
Greaney, PA [1 ]
Chrzan, DC [1 ]
机构
[1] Univ Calif Berkeley, Dept Mat Sci & Engn, Berkeley, CA 94720 USA
关键词
D O I
10.1103/PhysRevLett.90.156102
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Surface strain is often suggested as a means to control the self-assembled growth of nanostructures. Strain affects both the kinetics of nucleation and the free energies of formation of the desired nanostructure. It is demonstrated here that diffusion on some strained surfaces may be mediated by newly identified adatom transport mechanism: the formation and motion of a surface crowdion.
引用
收藏
页数:4
相关论文
共 20 条
[11]  
Jonsson H., 1998, CLASS QUANTUM DYN CO, P385, DOI [10.1142/9789812839664_0016, DOI 10.1142/9789812839664_0016]
[12]   SURFACE SELF-DIFFUSION ON PT(001) BY AN ATOMIC EXCHANGE MECHANISM [J].
KELLOGG, GL ;
FEIBELMAN, PJ .
PHYSICAL REVIEW LETTERS, 1990, 64 (26) :3143-3146
[13]   FIELD-ION MICROSCOPE STUDIES OF EXCHANGE-MEDIATED, ATOM-DISPLACEMENT PROCESSES ON METAL-SURFACES [J].
KELLOGG, GL .
APPLIED SURFACE SCIENCE, 1995, 87-8 (1-4) :353-363
[14]   Models for adatom diffusion on fcc (001) metal surfaces [J].
Mehl, H ;
Biham, O ;
Furman, I ;
Karimi, M .
PHYSICAL REVIEW B, 1999, 60 (03) :2106-2116
[15]   Strain dependence of surface diffusion: Ag on Ag(111) and Pt(111) [J].
Ratsch, C ;
Seitsonen, AP ;
Scheffler, M .
PHYSICAL REVIEW B, 1997, 55 (11) :6750-6753
[16]   EPITAXY ON SURFACES VICINAL TO SI(001) .1. DIFFUSION OF SILICON ADATOMS OVER THE TERRACES [J].
ROLAND, C ;
GILMER, GH .
PHYSICAL REVIEW B, 1992, 46 (20) :13428-13436
[17]   Lateral ordering of quantum dots by periodic subsurface stressors [J].
Romanov, AE ;
Petroff, PM ;
Speck, JS .
APPLIED PHYSICS LETTERS, 1999, 74 (16) :2280-2282
[18]   Diffusion on strained surfaces [J].
Schroeder, M ;
Wolf, DE .
SURFACE SCIENCE, 1997, 375 (01) :129-140
[19]   Self-organization in growth of quantum dot superlattices [J].
Tersoff, J ;
Teichert, C ;
Lagally, MG .
PHYSICAL REVIEW LETTERS, 1996, 76 (10) :1675-1678
[20]   DISTORTION OF THE LATTICE AROUND AN INTERSTITIAL, A CROWDION, AND A VACANCY IN COPPER [J].
TEWORDT, L .
PHYSICAL REVIEW, 1958, 109 (01) :61-68