Fabián, Martin Evidence of Tetrahedrally Coordinated Nickel Cations in Nanostructured NiFe₂O₄. [electronic resource] - Journal of nanoscience and nanotechnology 06 2019 - 3654-3657 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1533-4880 Standard No.: 10.1166/jnn.2019.16492 doi Subjects--Topical Terms: CationsFerric CompoundsNanostructuresNickel