TY - JOUR AU - Brown, Elliott AU - Mingardi, A. AU - Zhang, W-D. AU - Feldman, Ari AU - Harvey, Todd AU - Mirin, Richard C2 - Applied Physics Letters DA - 2017-07-01 00:07:00 DO - https://doi.org/10.1063/1.4991876 LA - en PB - Applied Physics Letters PY - 2017 TI - Abrupt dependence of ultrafast extrinsic photoconductivity on er fraction in gaas:er UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=922945 ER -