A novel method for controlled synthesis of nanosized hematite (α-Fe2O3) thin film on liquid–vapor interface
Source abstract
Abstract
Hematite (α-Fe2O3) films with a high quality surface morphology have been formed at the liquid–vapor interface using a novel approach. The surface morphology/size of the nanoparticles constituting the film is tuned in a controlled manner. It is observed that the concentration of polyvinyl alcohol in the precursor Fe3+/Fe2+ solution, the concentration of ammonia (NH3) vapor, and the annealing temperature are factors influencing the surface morphology/size of nanoparticles. The diameter of the α-Fe2O3 nanoparticles inside the film is controlled to be 2–15 nm by varying the synthesis conditions, and accordingly the films have roughness in the 1.34–6.8 nm range. The prepared α-Fe2O3 films are crystalline in nature and exhibit superparamagnetic behavior at room temperature.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Iron oxide chemistry and applications · Minerals Flotation and Separation Techniques · Magnetic Properties and Synthesis of Ferrites
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (49)
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