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

页码：21390 / 21395

页数：6

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