Chakraborty, Rohan DLeighton, ChrisFerry, Vivian E2025-04-182025-04-182025-04-18https://hdl.handle.net/11299/271325Data files are categorized by the manuscript figure that they correspond to. Additional information can be found in Chakraborty_et_al_ReadMe_v1.txt.The data included here contain the information necessary to recreate the figures in a manuscript titled "Large Near-Infrared Refractive Index Modulation in Ion-Gel-Gated BaSnO3 for Active Metasurfaces". The data files include experimental X-ray diffraction, optical transmittance, spectroscopic ellipsometry, and Hall effect measurements. They also include electrostatic modeling, refractive index modeling, and full-wave electromagnetic simulation data.CC0 1.0 Universalhttp://creativecommons.org/publicdomain/zero/1.0/Electrolyte gatingTransparent conducting oxidePerovskite oxideRefractive index modulationActive metasurfaceBeam steeringDatasethttps://doi.org/10.13020/k6k4-7t23