Optimized nonlinear optical (NLO) response of silicon carbide nanosheet by alkali metals doping: a DFT insightJunaid Yaqoob, Tariq Mahmood, Khurshid Ayub, Sobia Tabassum, Ather Farooq Khan, Shagufta Perveen, Jucai Yang and Mazhar Amjad GilaniEur. Phys. J. Plus, 137 2 (2022) 233DOI: https://doi.org/10.1140/epjp/s13360-022-02418-y