MAIN TEXT ------------------------------------------ Data of Fig. 1 "Force-induced photovoltaic effect in centrosymmetric SrTiO3 and TiO2 single crystals." Figure1.xlsx contains the data of Fig. 1, C,D,E & F in the sparate sheets. Fig. 1, A & B have no data. Data of Fig. 2 "Spatial distributions of strain and strain gradient induced by an ideal spherical indenter." Sphere Contact.nb is the Mathematica file containing the calculation of strain and strain gradient and the images of Figs. 2, S4, S5 & S9. Data of Fig. 3 "Light polarization dependence of the force-induced photocurrent." Figure3.xlsx contains the data and the fitting results of Fig. 3, A and B in the sparate sheets. Data of Fig. 4 "Flexo-photovoltaic effect extended to covalent crystal and to the micrometer scale." Figure4.xlsx contains the data and the fitting result of Fig. 4, A, B and C in the sparate sheets. SUPPLEMENTARY INFORMATION ------------------------------------------ Fig. S1 has no data. Data of Fig. S2: FigureS2.xlsx contains the data of Fig. S2 in the sparate sheets. [A sheet - TiO2 (100), B sheet - TiO2 (001)] Data of Fig. S3: FigureS3.xlsx contains the data of Fig. S3. Data of Figs. S4 & S5: Sphere Contact.nb is the Mathematica file containing the calculation of strain and strain gradient and the images of Figs. 2, S4, S5 & S9. Fig. S6 has no data. Fig. S7 cotains the images themselves with no raw data. Fig. S8 has no data. Data of Fig. S9: Sphere Contact.nb is the Mathematica file containing the calculation of strain and strain gradient and the images of Figs. 2, S4, S5 & S9. Fig. S10 has no data. Data of Fig. S11: FigureS11.xlsx contains the data of Fig. S11, A & B in the sparate sheets. Data of Fig. S12: FigureS12.xlsx contains the data of Fig. S12, A, B, C & D in the sparate sheets. Data of Fig. S13: FigureS13.xlsx contains the data of Fig. S13. Data of Fig. S14: FigureS14.xlsx contains the data of Fig. S14, A, B & C in the sparate sheets. Data of Fig. S15: FigureS15.xlsx contains the data of Fig. S15, A, B, C & D in the sparate sheets.