Phase composition of iron oxide nanoparticles studied using hard X-ray absorption spectroscopy
- At the surface of iron oxide nanoparticles, an oxidized or disordered layer is often found. Due to the large surface-to-volume ratio of nanomaterials, such a surface layer plays an important role in the overall magnetic properties of the particles. Consequently, it is important to characterize the surface layer if applications of iron oxide nanoparticles, e.g., for magnetic hyperthermia, magnetic particle imaging, or ferrofluidics, are envisaged. In this work, we tuned the phase of the surface layer of 14 nm iron oxide nanoparticles via annealing procedures. The phase composition of the particles is systematically studied using hard X-ray absorption spectroscopy.
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| Author: | Xiao Sun, Akhil Tayal, Aladin UllrichGND, Oleg Petracic, Sylvio Haas |
|---|---|
| URN: | urn:nbn:de:bvb:384-opus4-1061354 |
| Frontdoor URL | https://opus.bibliothek.uni-augsburg.de/opus4/106135 |
| ISSN: | 1932-7447OPAC |
| ISSN: | 1932-7455OPAC |
| Parent Title (English): | The Journal of Physical Chemistry C |
| Publisher: | American Chemical Society (ACS) |
| Place of publication: | Washington, DC |
| Type: | Article |
| Language: | English |
| Year of first Publication: | 2023 |
| Publishing Institution: | Universität Augsburg |
| Release Date: | 2023/07/18 |
| Tag: | Surfaces, Coatings and Films; Physical and Theoretical Chemistry; General Energy; Electronic, Optical and Magnetic Materials |
| Volume: | 127 |
| Issue: | 25 |
| First Page: | 12077 |
| Last Page: | 12083 |
| DOI: | https://doi.org/10.1021/acs.jpcc.3c01023 |
| Institutes: | Mathematisch-Naturwissenschaftlich-Technische Fakultät |
| Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik | |
| Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik / Lehrstuhl für Experimentalphysik IV | |
| Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik |
| Licence (German): |  CC-BY 4.0: Creative Commons: Namensnennung (mit Print on Demand) |
