2D Missing Row Structure of Cuprous Fluoride on Cu(001)

被引：3
|
作者：
Petukhov, M. N. [5 ]
Kruger, P. [1 ,2 ]
Oreshkin, A., I [3 ]
Muzychenko, D. A. [3 ]
Oreshkin, S., I [4 ]
机构：
[1] Chiba Univ, Grad Sch Engn, Chiba 2638522, Japan
[2] Chiba Univ, Mol Chiral Res Ctr, Chiba 2638522, Japan
[3] Lomonosov Moscow State Univ, Dept Phys, Moscow 119991, Russia
[4] Lomonosov Moscow State Univ, Sternberg Astron Inst, Moscow 119992, Russia
[5] Univ Bourgogne Franche Comte, ICB, UMR 6303, CNRS, F-21078 Dijon, France
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2022年 / 126卷 / 50期
关键词：
METAL-HALIDES; SURFACE; ADSORPTION; FLUORINATION; MOLECULE; HALOGENS; C60F48;
D O I：
10.1021/acs.jpcc.2c06295
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Cuprous fluoride (CuF), unstable in bulk, can be stabilized as a twodimensional lattice. Controlled adsorption of fluorine on the copper surface is achieved by defluorination of a self-assembled submonolayer of C60F18 molecules. The detached fluorine atoms diffuse on the Cu(001) surface and form a stable (2V2 X V2)R45 degrees superstructure revealed by scanning tunneling microscopy. X-ray photoelectron spectroscopy indicates a chemisorption state of F atoms and an absence of Cu(II) oxidation state of surface copper atoms. Modeling with density functional theory shows that the unit cell contains three fluorine atoms corresponding to a missing row structure. This study proves the existence of surface cuprous fluoride.
引用
收藏
页码：21390 / 21395
页数：6
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