TY - RPRT TI - Sharp Drop in the Mobility of Holes with a Decrease in Their Two-Dimensional Concentration by an External Voltage in Boron δ-Doped Diamond Layers PY - 2019 DO - 10.1134/s1063782619100117 UR - https://www.osti.gov/biblio/22944801 ID - 22944801 ER -