TY - JOUR AU - Elliott Brown AU - A. Mingardi AU - W-D. Zhang AU - Ari Feldman AU - Todd Harvey AU - Richard Mirin 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 -