ATOMIC-SCALE RESOLUTION ON THE MGO(100) SURFACE BY SCANNING FORCE AND FRICTION MICROSCOPY

被引：28
作者：
PERROT, E
DAYEZ, M
HUMBERT, A
MARTI, O
CHAPON, C
HENRY, CR
机构：
[1] UNIV CONSTANCE,FAK PHYS,W-7750 CONSTANCE,GERMANY
[2] CNRS,CRMC2,F-13288 MARSEILLE 9,FRANCE
来源：
EUROPHYSICS LETTERS | 1994年 / 26卷 / 09期
关键词：
D O I：
10.1209/0295-5075/26/9/004
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
MgO(100) surfaces have been imaged at atomic-scale resolution by scanning force and friction microscopy (SFFM). The single crystals of MgO were cleaved and studied in dry air using a small loading force (4 . 10(-10) N). Topographic and friction images reveal a square lattice of protrusions with a measured spacing of 0.274 nm. This value is close to the 2D surface lattice parameter of the MgO(100) surface (0.299 nm). The largest corrugation observed in the topographic images is 0.04 nm. Large-scale images reveal nearly parallel cleavage steps, separated by an average distance of 150 nm and 0.4 nm high.
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页码：659 / 663
页数：5
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