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. 2022 Sep 29;13:958978. doi: 10.3389/fpls.2022.958978

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Copyright © 2022 Khan, Wei, Ali, Zulfiqar, Chen, Iqbal, Zaheer, Ali, Ghafoor, Rabiya, Waqas, Ghaffar, Soufan and El Sabagh.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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(A) X-ray diffraction profiles of undoped Fe₂O₃ and Ce-doped Fe₂O₃ nanoparticles synthesized by auto combustion method using oxalic acid (a). Slight shifting of Fe₂O₃ (104) peak, to lower 2θ angles, is due to Ce-atoms doping (b). (B) SEM images of pure Fe₂O₃ (a) and 1% Ce-doped Fe₂O₃ NPs (b). Particle size distributions of pure Fe₂O₃ (a1) and 1% Ce-doped Fe₂O₃ NPs (b1).