TY - JOUR AU - Lawrence Friedman AU - Wen-Li Wu C2 - Applied Physics Letters DA - 2019-07-08 DO - https://doi.org/10.1063/1.5113489 LA - en M1 - 115 PB - Applied Physics Letters PY - 2019 TI - Electron Reflectometry for Measuring Nanostructures on Opaque Substrate ER -