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Nanoscale Research Letters

Table 2 Parameters of Fano line-shape function for Au core and shell of nanomatryoshka at dipole and quadrupole modes

From: Plasmonic Fano resonance and dip of Au-SiO2-Au nanomatryoshka

  Dipole mode Quadrupole mode
  A λ 0 δ f Q A λ 0 δ f Q
I Dipole (d = 25 nm)        
   Core 0.0302 762.6 42.3 5.83 0.1611 592.2 27.7 2.97
 Shell 0.1208 762.2 46.4 -3.99 0.0301 590.6 23.2 -11.63
Dipole (d = 30 nm)        
 Core 0.0241 762.6 42.3 5.79 0.1265 592.5 28.2 2.87
 Shell 0.0901 762.6 45.2 -4.03 0.0181 591.2 22.8 -12.40
Plane wave       
 Core 0.0513 762.4 43.7 3.95 0.1239 601.1 43.1 1.89
 Shell 0.0338 763.9 40.8 -6.19 0.0042 589.1 24.6 -14.06
II Dipole (d = 25 nm)        
   Core 0.0287 807.6 34.7 7.17 0.0847 607.3 22.7 4.34
 Shell 0.0683 808.2 38.8 -6.08 0.0209 607.1 22.3 -12.74
Plane wave        
 Core 0.0451 808.1 35.7 4.64 0.0528 610.7 33.2 2.85
 Shell 0.0191 808.4 33.5 -8.88 0.0031 604.7 24.7 -15.04
  1. I: [a 1 , a 2 , a 3 ] = [75, 50, 35] nm, II: [a 1 , a 2 , a 3 ] = [75, 50, 37] nm.
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