Table 4 The structural details, Rmin, FWHM, and sensitivity of the SPR sensor constructed of a hybrid heterostructure, concerning the variation in the refractive index of the sensing medium from 1.33 to 1.34.
Design | Fig | Thickness (nm) | \({\text{S}}=\frac{{\Delta \theta }}{{\Delta n}(0.01)}\left(\circ/\text{RIU}\right)\) | ns.m = 1.33 | ns.m = 1.34 | ||
|---|---|---|---|---|---|---|---|
Rmin | FWHM | Rmin | FWHM | ||||
Prism/Ag(55 nm)/BiFeO3/AgNC(0.5 nm)/S.m | 4a 4b 4c | dBi = 8 dBi = 8.5 dBi = 9 | 249.31 287.87 348.02 | 0.012 0.020 0.035 | 2.730 3.069 3.481 | 0.030 0.056 0.120 | 3.123 3.669 4.438 |
Prism/Ag(55 nm)/BiFeO3(9 nm)/AgNC(0.5 nm)/dielectric material (0.5 nm)/S.m | 4d 4e 4f | ITO BaTiO3 BiFeO3 | 378.45 408.45 419.16 | 0.045 0.057 0.071 | 3.722 3.929 4.141 | 0.177 0.263 0.385 | 4.901 5.283 5.414 |
