Fig. 1: Pressure-dependent XAS and XRD of YH3.

a The normalized X-ray absorption spectra of YH3, measured above the Y K-edge at different pressures up to 176 GPa; b The pressure dependence of the X-ray diffraction patterns for YH3.

a The normalized X-ray absorption spectra of YH3, measured above the Y K-edge at different pressures up to 176 GPa; b The pressure dependence of the X-ray diffraction patterns for YH3.