Figure 4

XANES spectra of commercial soda-lime glass, CsMP-HD, and CsMP-Ma at the Na K edge acquired using STXM (step size: 50 and 100 nm for CsMP-HD and CsMP-Ma, respectively; dwell time: 5 ms).

XANES spectra of commercial soda-lime glass, CsMP-HD, and CsMP-Ma at the Na K edge acquired using STXM (step size: 50 and 100 nm for CsMP-HD and CsMP-Ma, respectively; dwell time: 5 ms).