Xe ion irradiation-induced polycrystallization of Ag nanoparticles embedded in SiO_2 and related optical absorption property
作者： Guangyi Jia , Huixian Liu , Xiaoyu Mu , Haitao Dai , Changlong Liu
DOI: 10.1364/OME.4.001303
关键词:
摘要: The Xe ion irradiation-induced structural modifications of implantation-synthesized Ag NPs were explored in this paper. Our results clearly show that irradiation could induce transformation crystalline into polycrystalline ones with various shapes. modified exhibit a notable shoulder absorption band around 550 nm besides the surface plasmon resonance (SPR) peak located at about 400 nm. Reduction electron mean-free-path and interaction between crystallites formed have been proposed to interpret appearance band. Moreover, our also subsequent thermal annealing °C for 1h can restore spherical shape, which are nearly aligned end range, contribute much narrower SPR
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