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X-ray diffraction scan for / heterostructure grown onto the single crystal (-cut sapphire). The insert shows “unlocked coupled” scan, where is the angle between (001) and (103) planes in the perovskite structure.
Rocking curves for NKN(001), LSCO(001), and Bragg reflections for the NKN/LSCO/ heterostructure (same as in Fig. 1). Rocking curve notified as LSCO- with a was recorded for the single LSCO/ layer. The insert shows the -scans of off-normal planes measured at oblique geometry: detector positions , 79.643°, 57.384°; sample positions , 58.065°, 56.167° for NKN(103), LSCO(103), and reflections, respectively.
Interference spectrum of light normally incident on and reflected from the heteroepitaxial optical cell. Intensity of the reflected light was normalized to the envelop curve function. Inset shows the positions of Fabry–Perot resonances and the dispersion of the refractive index obtained fitting experimental interference minima to the Sellmeier formula.
Reflectivity data for 655 nm TE and TM modes in: (a) and (c) Au(30 nm)///; (b) //; (d) /. Inset shows schematic representation of electro-optical cell.
TE guided mode angular spectra at for Au/// film structure. Lower panel: solid and dotted lines show spectra at zero bias and 15 V ; mode resonance line is magnified in the inset. Upper panel: the normalized electro-optic reflectivity .
Optical characteristics of // film structure.
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