Facile Synthesis of Monodisperse Maghemite and Ferrite Nanocrystals from Metal Powder and Octanoic Acid
Source abstract
Abstract
Extremely small, monodisperse, and spheric maghemite (γ-Fe 2 O 3, 2–3 nm) and manganese (4–7 nm), cobalt (3–5 nm), and zinc ferrite (5–7 nm) nanocrystals are directly accessible on a large scale starting from inexpensive metal powders and octanoic acid by thermolysis in a high-boiling solvent. Bigger particle size is obtainable by prolonged reaction time according to the Ostwald ripening principle. The superparamagnetic nanocrystals and their assembly have been characterized by transmission electron microscopy, powder X-ray diffraction, Mössbauer spectroscopy, magnetic measurements, and energy-dispersive X-ray spectroscopy.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Magnetic Properties and Synthesis of Ferrites · Iron oxide chemistry and applications · Nanoparticle-Based Drug Delivery
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Fachbereich Chemie, Technische Universität Kaiserslautern, Erwin Schrödinger Straße 54, 67663 Kaiserslautern, Germany
Fachbereich Physik, Technische Universität Kaiserslautern, Erwin Schrödinger Straße 56, 67663 Kaiserslautern, Germany
Institut für Oberflächen- und Schichtanalytik GmbH, Trippstadter Straße 120, 67663 Kaiserslautern, Germany
Institut für Partikel Technologie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Cauer Straße 4, 91058 Erlangen, Germany
Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Tammann Straße 4, 37077 Göttingen, Germany
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