Browsing Mechanical Engineering by Author "Ertürk, H."
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Absorption and plasmon resonance of bi-metallic core-shell nanoparticles on a dielectric substrate
Avşar, D.; Ertürk, H.; Mengüç, Mustafa Pınar (Begell House Inc., 2019-06)Numerical investigation of absorption efficiency profiles and localized surface plasmon resonance (LSPR) wavelengths are performed for metallic core-shell nanoparticles (NPs) placed over a BK7 glass substrate. Gold (Au) ... -
Effect of the probe location on the absorption by an array of gold nano-particles on a dielectric surface
Moghaddam, S. T.; Avşar, D.; Ertürk, H.; Mengüç, Mustafa Pınar (Elsevier, 2017)Effect of silicon atomic force microscope probe position and particle spacing on the local absorption of an array of gold nanoparticles placed over a dielectric borosilicate glass surface are evaluated. An improved, ... -
Enhancing local absorption within a gold nano-sphere on a dielectric surface under an AFM probe
Moghaddama, S. T.; Ertürk, H.; Mengüç, Mustafa Pınar (Elsevier, 2016-07)This study considers enhancing localized absorption by a gold nanoparticle (NP) placed over a substrate where an atomic force microscope (AFM) tip is in close proximity of the particle. The gold NP and AFM tip are interacting ... -
Plasmon coupling between complex gold nanostructures and a dielectric substrate
Fathi, Zahra Rostampour; Mengüç, Mustafa Pınar; Ertürk, H. (The Optical Society, 2018-10-20)Intercoupling of an incident electric field in metal nanoparticles causes asymmetric distribution of surface charges, which eventuates in shifting of the surface plasmon resonance frequency. This feature can be used in ... -
Plasmonic responses of metallic/dielectric core-shell nanoparticles on a dielectric substrate
Avşar, D.; Ertürk, H.; Mengüç, Mustafa Pınar (IOP Publishing, 2019-06)The effect of material selection on the plasmonic response and local absorption are evaluated for core- shell nanoparticles placed over a BK7 glass substrate. Eight different core-shell pairs are studied using the vectorized ...
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