PHOTON SCANNING-TUNNELING-MICROSCOPY IMAGES OF OPTICAL-EXCITATIONS OF FRACTAL METAL COLLOID CLUSTERS

被引:243
作者
TSAI, DP
KOVACS, J
WANG, ZH
MOSKOVITS, M
SHALAEV, VM
SUH, JS
BOTET, R
机构
[1] UNIV TORONTO, ONTARIO LASER & LIGHTWAVE RES CTR, TORONTO M5S 1A1, ONTARIO, CANADA
[2] SEOUL NATL UNIV, DEPT CHEM EDUC, SEOUL 151742, SOUTH KOREA
[3] UNIV PARIS 11, CTR ORSAY, PHYS SOLIDES LAB, F-91405 ORSAY, FRANCE
关键词
D O I
10.1103/PhysRevLett.72.4149
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Highly localized, laser-excited optical modes of silver colloid fractal clusters were observed using photon scanning tunneling microscopy. The spatial distribution of the modes shows the frequency and polarization selectivity suggested by numerical simulations. The results verify the main concepts of the recently developed resonant optical theory of fractal objects.
引用
收藏
页码:4149 / 4152
页数:4
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