Fig. 2: R values as a function of energy up to 70 keV for altered glass samples.

Results for (a) UG, 3I7, 5I7, 7I7, 9I7, and 11I7 are shown with schematic descriptions of 7I7, 9I7, and 11I7 and an enlarged portion of the same plot featuring (b) UG, 3I7, 5I7, and 7I7 and schematic descriptions for 3I7, 5I7, and 7I7.