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Magnetic characterization of some nanometric iron oxides |
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| Authors: | V. V. Grecu S. Constantinescu Maria Nicoleta Grecu Rodica Olar Mihaela Badea Rodica Turcu |
| Affiliation: | 1. Physics Faculty, University of Bucharest, Bucharest, Romania 2. National Institute for Materials Physics, Magurele-Bucharest, Romania 3. Chemistry Faculty, University of Bucharet, Bucharest, Romania 4. National Institute for Isotopic and Molecular Technologies, Cluj-Napoca, Romania |
| Abstract: | Nanosized magnetite particles embedded in polypyrrole matrix have been studied by Mössbauer and electron magnetic resonance spectroscopy. Comparison with as grown magnetite is made. Hyperfine fields distribution is determined and line shape of resonance curves are discussed in terms of composite structure, sizes and treatments. |
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