Isolation of Co nanoparticles by C60 molecules in co-deposited film

被引：9
|
作者：
Lavrentiev, V
Abe, H
Yamamoto, S
Naramoto, H
Narumi, K
机构：
[1] Japan Atom Energy Res Inst, Adv Sci Res Ctr, Takasaki, Gumma 3701292, Japan
[2] Univ Tokyo, Nucl Engn Res Lab, Ibaraki 3191188, Japan
[3] Japan Atom Energy Res Inst, Dept Mat Dev, Takasaki, Gumma 3701292, Japan
来源：
MATERIALS LETTERS | 2003年 / 57卷 / 24-25期
关键词：
deposition; fullerenes; nanocomposites; thin films; microstructure; X-ray diffraction;
D O I：
10.1016/S0167-577X(03)00272-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Mixed Co-C-60 films have been prepared on (0001) alpha-Al2O3 or (001) NaCl substrates at room temperature (RT) by simultaneous deposition of cobalt and C-60 fullerene. The characterization of these films by atomic force microscopy (AFM) and high-resolution transmission electron microscopy (TEM) reveals a nanocomposite structure of the films with Co nanocrystals dispersed into carbon-based matrix. Electron and X-ray diffraction (XRD) analyses evidence the face-centered cubic (fcc) lattice of Co nanocrystals. Raman experiments confirm the existence of C-60 molecules as the main structure units of the matrix. Some modification in C-60 Raman modes reflects the distortion of C-60 molecules through CO-C-60 bonding within the matrix of the nanocomposite. (C) 2003 Elsevier Science B.V. All rights reserved.
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页码：4093 / 4097
页数：5
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