@article{salazar-tamayo_tellez_meneses_2019,  title={Cation Vacancies in NiFe<sub>2</sub>O<sub>4</sub> During Heat Treatments at High Temperatures: Structural, Morphological and Magnetic Characterization},  volume={22},  ISSN={1516-1439},  url={https://doi.org/10.1590/1980-5373-MR-2019-0298},  DOI={10.1590/1980-5373-MR-2019-0298},  number={5},  journal={Materials Research},  publisher={ABM, ABC, ABPol},  author={Salazar-Tamayo, Harrison and Tellez, Karen Edilma García and Meneses, César Augusto Barrero},  year={2019},  pages={e20190298} }