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Amorphous Iron(III) OxideA Review
Abstract
The syntheses of amorphous Fe(2)O(3) nanoparticles of varying size and morphology, their magnetic properties, crystallization mechanism, and applications are reviewed herein. The synthetic routes are classified according to the nature of the sample (powders, nanocomposites, films, coated particles). The contributions of various experimental techniques to the characterization of an amorphous Fe(2)O(3) phase are considered in this review, including some key experimental markers, allowing its distinction from nanocrystalline "X-ray amorphous" polymorphs (maghemite, hematite). We discuss the thermally induced crystallization mechanisms depending on transformation temperature, atmosphere, and the size of the amorphous particles that predetermine the structure of the primarily formed crystalline polymorph. The controversial description of the magnetic behavior, including an interpretation of the low-temperature and in-field Mössbauer spectra, is analyzed.
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Cites
Microemulsion-assisted synthesis of tunable superparamagnetic composites
Tartaj, P., & Serna, C. J. (2002) · Chemistry of Materials · doi:10.1021/cm021214d · Cited by 110
Cited by
Nidheesh, P. V. (2015) · RSC Advances · doi:10.1039/c5ra02023a · Cited by 592
Polymorphous Transformations of Nanometric Iron(III) Oxide: A Review
Machala, L., Tuček, J., & Zbořil, R. (2011) · Chemistry of Materials · doi:10.1021/cm200397g · Cited by 573
Self-citationToxicity of heavy metals in plants and animals and their uptake by magnetic iron oxide nanoparticles
Rehman, A. U., Nazir, S., Irshad, R., Tahir, K., ur Rehman, K., Islam, R. U., & Wahab, Z. (2021) · Journal of Molecular Liquids · doi:10.1016/j.molliq.2020.114455 · Cited by 322
The role of Mg in the crystallization of monohydrocalcite
Rodriguez-Blanco, J. D., Shaw, S., Bots, P., Roncal-Herrero, T., & Benning, L. G. (2014) · Geochimica et Cosmochimica Acta · doi:10.1016/j.gca.2013.11.034 · Cited by 186
Metadata
- Authors
- Machala, L., Zboril, R., & Gedanken, A.
- Venue
- The Journal of Physical Chemistry B
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-04-01
- Volume
- 111
- Issue
- 16
- Pages
- 4003-4018
- ISSN
- 1520-5207 (ISSN-L)
- 1520-6106
- OpenAlex
- W2950104757
- Cited by
- 299
- References
- 1
- FWCI
- 7.98
- Type
- journal article
- Language
- en
- Open access
- closed
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- Machala, L., Zboril, R., & Gedanken, A. (2007). Amorphous Iron(III) OxideA Review. The Journal of Physical Chemistry B. https://doi.org/10.1021/jp064992s
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