Mapping Cation Disorder in Irradiated Gd2Ti2O7 Pyrochlore by 4D-STEM. (August 2019) - Janish, Matthew T.; Schneider, Matthew M.; Ophus, Colin; Ciston, Jim; Valdez, James A.; McClellan, Kenneth J.; Byler, Darrin D.; Chen, Di; Wang, Yongqiang; Holesinger, Terry G.; Uberuaga, Blas P.