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We present a study of the growth of silver nanoparticles or clusters on a TiO 2 (110) substrate in ultra-high vacuum. The growth is monitored in situ by ion and neutral scattering spectroscopy using He + scattering and Auger spectroscopy. The scattering measurements show that only part of the surface is covered by Ag suggesting formation of clusters. Additionally an ex-situ study was...
Ag surface plasmon excitation induced by low keV scattering of hydrogen and He ions is reported. Observation of plasmon excitation in this system was possible in the radiative decay-photon emission channel. The intensity of plasmon radiation was observed to increase quadratically with ion energy. Plasmon excitation was observed for both H + and H - incidence. Here it can be due to...
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