MIXED O+N LAYERS ON A RH(110) SURFACE - COMPETITION BETWEEN NITROGEN AND OXYGEN RECONSTRUCTIVE INTERACTIONS

被引：32

作者：

MURRAY, PW ^{[1
]}

THORNTON, G ^{[1
]}

BOWKER, M ^{[1
]}

DHANAK, VR ^{[1
]}

BARALDI, A ^{[1
]}

ROSEI, R ^{[1
]}

KISKINOVA, M ^{[1
]}

机构：

[1] SINCROTRONE TRIESTE,I-34012 TRIESTE,ITALY

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 26期

关键词：

D O I：

10.1103/PhysRevLett.71.4369

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Scanning tunneling microscopy and low energy electron diffraction studies of mixed O+N layers on Rh(110) reveal a competition between (n x 1) N-driven and (1 x 2) O-driven added/missing row reconstructions. At low coverage [001] N-Rh rows prevail, forming islands with a (3 x 1) periodicity. At moderate coverage separate (2 x 1)N and (1 x 2)O islands are formed. At high coverage the growing (1 x 2)O islands displace those of (2 x 1)N. The structural transformations involve a transition from a structure consisting of separate (2 x 1)N and (1 x 2)O islands to a mixed c(2 x 2) N + O layer on a (1 x 2) reconstructed surface.

引用

页码：4369 / 4372

页数：4

共 23 条

[1] HREEL SPECTRA OF VARIOUS OXYGEN STRUCTURES ON RH(110) [J].