OPTICAL MEASUREMENT OF THE BULK PLASMON DISPERSION IN SILVER

被引:11
作者
PIAZZA, G
KOLB, DM
KEMPA, K
FORSTMANN, F
机构
[1] MAX PLANCK GESELL, FRITZ HABER INST, FARADAYWEG 4, D-1000 BERLIN 33, FED REP GER
[2] FREE UNIV BERLIN, INST THEORIE KONDENSIERTEN MAT, D-1000 BERLIN 33, FED REP GER
关键词
D O I
10.1016/0038-1098(84)91098-6
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
By using electroreflectance spectroscopy, we detected an oscillatory behavior in the optical response of a thin Ag overlayer during its continuous growth on a flat Au (111) surface, when p-polarized light around the plasmon frequency of Ag was used. These oscillations are due to standing plasma waves in the Ag overlayer, and they allow a reliable measurement of the bulk plasmon dispersion for silver in the small-k regime (0. 12 less than k less than 0. 16 A** minus **1).
引用
收藏
页码:905 / 908
页数:4
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