Correction: Efficacy of surface-functionalized Mg<sub>1−<i>x</i></sub>Co<sub><i>x</i></sub>Fe<sub>2</sub>O<sub>4</sub> (0 ≤ <i>x</i> ≤ 1; Δ<i>x</i> = 0.1) for hyperthermia and <i>in vivo</i> MR imaging as a contrast agent
RSC advances