Oxidation of h-BN on strongly and weakly interacting metal surfaces

被引：9
|
作者：
Shevelev, Viktor O. [1 ]
Bokai, Kirill A. [1 ]
Vilkov, Oleg Yu [1 ]
Makarova, Anna A. [2 ]
Usachov, Dmitry Yu [1 ]
机构：
[1] St Petersburg State Univ, 7-9 Univ Skaya Nab, St Petersburg 199034, Russia
[2] Tech Univ Dresden, Inst Festkorper & Mat Phys, D-01062 Dresden, Germany
来源：
NANOTECHNOLOGY | 2019年 / 30卷 / 23期
关键词：
h-BN; oxidation; intercalation; photoemission spectroscopy; HEXAGONAL BORON-NITRIDE; GRAPHENE FILMS; MONOLAYER;
D O I：
10.1088/1361-6528/ab0863
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
We used x-ray photoemission and absorption spectroscopies to study the influence of thermal molecular oxygen exposure on the h-BN/Co(0001) and h-BN/Au/Co(0001) systems. The spectral analysis was supported by density functional theory calculations. It is shown that oxygen can intercalate h-BN on Co(0001) and also be embedded into its lattice, replacing the nitrogen atoms. Upon substitution, the structures containing one (BN2O) and three (BO3) oxygen atoms in the boron atom environment are formed predominantly. In the case of gold-intercalated h-BN, only the (BN2O) structures are formed; the long-lasting oxygen exposures lead to etching of the h-BN layer.
引用
收藏
页数：9
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