D-BAND BROADENING OF NOBLE-METAL PARTICLES

被引:15
作者
ANNO, E
机构
[1] Department of Physics, Asahikawa Medical College, Asahikawa
关键词
D O I
10.1016/0039-6028(92)90038-8
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
For Cu particles embedded in a SiO2 matrix, the size-dependent change in the width of the d-band has been investigated in the size region from about 35 to 160 angstrom in diameter by measuring the energy position of the interband-transition absorption of Cu island films in the photon-energy region from 1.5 to 6.5 eV. This position gives the energy spacing which reflects the width of the d-band. Below about 100 angstrom in diameter, the energy spacing increased with decreasing particle size. This increase supports the d-band broadening due to lattice contractions.
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页码:245 / 249
页数:5
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