POSSIBLE OBSERVATION OF LOCAL PLASMON MODES EXCITED BY ELECTRONS TUNNELING THROUGH JUNCTIONS

被引:45
作者
ADAMS, A
WYSS, JC
HANSMA, PK
机构
[1] Department of Physics, University of California, Santa Barbara
关键词
D O I
10.1103/PhysRevLett.42.912
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The light emitted by small-particle tunnel junctions is partially polarized. The excess light polarized perpendicular to the junctions is possibly due to the radiative decay of localized surface plasmons that are excited by tunneling electrons. Both the angular distribution and the intensity versus photon energy of this light are in agreement with recent theoretical calculations based on the excitation and radiative decay of surface plasmons in a small metal particle located above a metal film. © 1979 The American Physical Society.
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页码:912 / 915
页数:4
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