Data of TiVO2 on TiO2(110)

This data is raw XRD and Raman data of TiVO2 films on TiO2(110). Angle and temperature-dependent Raman spectroscopic measurements were performed using a Renishaw inVia Raman microscope system. Series of Raman spectra in the temperature range between 0 °C and 80 °C were recorded using a Linkam THMS 600 temperature stage. The spectra were taken in backscattering geometry with 514 nm excitation provided by an Ar-ion laser. Excitation and scattered light passed through a long distance objective (50 ×, Olympus, NA = 0.45). The Rayleigh scattered laser light was rejected by an edge filter enabling the measurement of the Stokes Raman scattered light down to 100 cm-1. The laser power on the sample was 1.9 mW and the spot size about 1 µm. Using polarization optics in the beam path allowed us to measure Raman spectra in parallel and crossed polarization configuration of laser and Raman scattered light. Angle-dependent measurements were realized on the same spot on the sample by rotating the polarizer arrangement in the beam path. Angle alpha is between [001] direction of TiO2 substrate and incoming polarization. Angle-dependent Raman measurements were performed at room temperature with Angle alpha from 0 to 360 degrees in 10 degree steps.Angle-dependent Raman measurements were performed at 80 °C with Angle alpha from -90 to 450 degrees in 15 degree steps. X-ray diffraction (XRD) traces Panalytical X'Pert Pro MRD setups using the Cu-Kα line and an additional sample heater to reach temperatures between room temperature and 80 °C. The sample’s electric resistance as a function of temperature was measured by using a linear four-contact geometry and a heater stage. Either tungsten carbide or steel needles with a diameter of 0.5mm were used as contacts. The total force applied to the needles was about 5 to 16 N. The distance between probes was 1 ± 0.01 mm. The resistance measurements were performed in autoranging mode. The heating rate was 2 °C/min.

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Data of TiVO2 on TiO2(110)

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