PHOTOELECTRIC QUANTUM YIELD OF NANOMETER METAL PARTICLES

被引:33
作者
SCHLEICHER, B
BURTSCHER, H
SIEGMANN, HC
机构
[1] Laboratory for Solid State Physics, ETH Hönggerberg
关键词
D O I
10.1063/1.109767
中图分类号
O59 [应用物理学];
学科分类号
摘要
The absolute photoelectric quantum yield of nanometer metal particles (Ni, Pd, Cu, Ag, Au) is measured from threshold up to photon energies hnu of 10 eV. The particles are produced and measured in ultrapure helium at atmospheric pressure. Yield Y and photothreshold phi are compared to bulk data. The shape of Y(hnu) is similar for particle and bulk with all investigated materials except Ag. All metals have in common that the particle yield is larger by a factor almost-equal-to 100 compared to the bulk yield. Apart from electrostatic corrections due to the image and Coulomb potential, the photoelectric threshold is identical for the bulk and the particle.
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页码:1191 / 1193
页数:3
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