کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
539288 | 1450379 | 2013 | 4 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Plasmon resonance tuning in Ag nanoparticles arrays grown on ripple patterned templates Plasmon resonance tuning in Ag nanoparticles arrays grown on ripple patterned templates](/preview/png/539288.png)
A bottom–up approach to grow highly ordered self-assembled silver nanoparticles arrays on ripple patterns produced by low energy ion irradiation is reported. The advantage of this approach over other self-assembling or lithographic methods is the flexibility to tune the array periodicity down to 20 nm with inter-particle gaps as low as 5 nm along the ripples. The silver nanoparticle arrays grown on these rippled surfaces are optically anisotropic, i.e. they exhibit a direction dependent shift in their localised surface plasmon resonance. The reason for the observed anisotropy is a direction dependent plasmonic field coupling. In this way the capability to tune the plasmon resonance by varying the ripple wavelength is demonstrated.
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Journal: Microelectronic Engineering - Volume 102, February 2013, Pages 44–47