div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Electron Microscopy Poster #4700 - Clemson University · electron in an inner shell creating an electron hole An electron from an outer higher-energy shell then fills the hole src=https:reader035vdocumentsnetreader035viewer20220711025fdb99ed57719a5e717a20c3html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv