Figure 5 | Scientific Reports

Figure 5

From: Experimental realisation of tunable ferroelectric/superconductor \(({\text {B}} {\text {T}} {\text {O}}/{\text {Y}} {\text {B}}{\text {C}} {\text {O}})_{{\text {N}}}/{\text {S}}{\text {T}}{\text {O}}\) 1D photonic crystals in the whole visible spectrum

Figure 5

Reflectance spectra for \(({\text {B}}{\text {T}}{\text {O}}/{\text {Y}}{\text {B}} {\text {C}}{\text {O}})_{{\text {N}}}/{\text {S}}{\text {T}}{\text {O}}\) 1D PCs for periods \(N= 1\) (a), 3 (b), and 5 (c), at \(T=20\, {\hbox {K}}\), in the 500–800 nm spectral band.

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