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Paper   IPM / P / 15310
School of Physics
  Title:   Fabrication of Ag nanostructures with remarkable narrow plasmonic resonances by glancing angle deposition
1.  S. Abbasian
2.  A. Moshaii
3.  N. Sobhkhiz Vayghan
4.  M. Nikkhah
  Status:   Published
  Journal: Appl. Surf. Sci.
  Vol.:  441
  Year:  2018
  Pages:   613-620
  Supported by:  IPM
Glancing angle deposition (GLAD) is an efficient and inexpensive method to fabricate nanostructures with diverse complexities. However, this method has a limitation in fabrication of plasmonic nanostructures with narrow resonance peaks causing that the GLAD-nanostructures have rarely been used for refractive-index sensing. In this work, we proposed two approaches to overcome this limitation of GLAD and to fabricate Ag nanostructures with narrow plasmonic peaks. In the first approach, we introduce an effective method for seeding modification of the substrate and then growing the Ag nanocolumns on such seeded layer. The optical characterization shows that such pre-seeding of the substrate leads to nearly 40

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