Reversible Visualization for Synchrotron Radiation Using Photochromic Dye and Photostimulable Phosphor Composite Film

Figure 3

SEM image of the BaFCl:Eu²⁺ powder and schematic diagrams of the cross-section and internal structure. The inset shows the XEOL spectrum of BaFCl:Eu²⁺ powder under the irradiation of a 0.154 nm X-ray (40 kV, 20 mA).