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http://hdl.handle.net/2445/48346
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DC Field | Value | Language |
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dc.contributor.author | Aguiló Aguayo, Noemí | - |
dc.contributor.author | Inestrosa Izurieta, María José | - |
dc.contributor.author | García Céspedes, Jordi | - |
dc.contributor.author | Bertrán Serra, Enric | - |
dc.date.accessioned | 2013-12-09T08:54:03Z | - |
dc.date.available | 2013-12-09T08:54:03Z | - |
dc.date.issued | 2010 | - |
dc.identifier.issn | 1533-4880 | - |
dc.identifier.uri | http://hdl.handle.net/2445/48346 | - |
dc.description.abstract | Spherical carbon coated iron particles of nanometric diameter in the 5-10 nm range have been produced by arc discharge at near-atmospheric pressure conditions (using 5-8·10 4 Pa of He). The particles exhibit a crystalline dense iron core with an average diameter 7.4 ± 2.0 nm surrounded by a sealed carbon shell, shown by transmission electron microscopy (TEM), selected-area diffrac- tion (SAED), energy-dispersive X-ray analysis (STEM-EDX) and electron energy loss spectroscopy (EELS). The SAED, EDX and EELS results indicate a lack of traces of core oxidized phases showing an efficient protection role of the carbon shell. The magnetic properties of the nanoparticles have been investigated in the 5-300 K temperature range using a superconducting quantum interference device (SQUID). The results reveal a superparamagnetic behaviour with an average monodomain diameter of 7.6 nm of the nanoparticles. The zero field cooled and field cooled (ZFC-FC)magnetization curves show a blocking temperature (TB)at room temperature very suitable for biomedical applications (drug delivery, magnetic resonance imaging-MRI-, hyperthermia). | - |
dc.format.extent | 4 p. | - |
dc.format.mimetype | application/pdf | - |
dc.language.iso | eng | - |
dc.publisher | American Scientific Publishers | - |
dc.relation.isformatof | Reproducció del document publicat a: http://www.ncbi.nlm.nih.gov/pubmed/20355478 | - |
dc.relation.ispartof | Journal of Nanoscience and Nanotechnology, 2010, vol. 10, num. 4, p. 2646-2649 | - |
dc.rights | (c) American Scientific Publishers, 2010 | - |
dc.source | Articles publicats en revistes (Física Aplicada) | - |
dc.subject.classification | Nanopartícules | - |
dc.subject.classification | Arc elèctric | - |
dc.subject.classification | Magnetoquímica | - |
dc.subject.classification | Materials biomèdics | - |
dc.subject.other | Nanoparticles | - |
dc.subject.other | Electric arc | - |
dc.subject.other | Magnetochemistry | - |
dc.subject.other | Biomedical materials | - |
dc.title | Morphological and Magnetic Properties of Superparamagnetic Carbon-Coated Fe Nanoparticles Produced by Arc Discharge. | - |
dc.type | info:eu-repo/semantics/article | - |
dc.type | info:eu-repo/semantics/publishedVersion | - |
dc.identifier.idgrec | 572638 | - |
dc.date.updated | 2013-12-09T08:54:03Z | - |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | - |
Appears in Collections: | Articles publicats en revistes (Física Aplicada) |
Files in This Item:
File | Description | Size | Format | |
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572638.pdf | 242.67 kB | Adobe PDF | View/Open |
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