The size dependence of the electronic structure of Pd clusters supported on Al2O3Re(0001)

被引：46
|
作者：
Cai, YQ
Bradshaw, AM
Guo, Q
Goodman, DW
机构：
[1] Max Planck Gesell, Fritz Haber Inst, D-14195 Berlin, Germany
[2] Texas A&M Univ, Dept Chem, College Stn, TX 77843 USA
来源：
SURFACE SCIENCE | 1998年 / 399卷 / 2-3期
关键词：
aluminum oxide; angle resolved photoemission; clusters; growth; palladium; synchrotron radiation photoelectron spectroscopy;
D O I：
10.1016/S0039-6028(98)00041-7
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：
The size dependence of the electronic structure of Pd clusters deposited on an ordered Al2O3 film on Re(0001) has been studied using angle-resolved photoemission in conjunction with synchrotron radiation. The appearance of dispersion effects along directions both parallel and perpendicular to the substrate surface with increasing cluster size is observed, which is attributed to the formation of crystallites with a preferred orientation and signifies the non-metal to metal transition of the Pd clusters. The transition appears to take place at an estimated average cluster size of approximately 25 Angstrom. (C) 1998 Elsevier Science B.V.
引用
收藏
页码：L357 / L363
页数：7
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