DOI | Trouver le DOI : https://doi.org/10.1139/cjp-2014-0722 |
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Auteur | Rechercher : Firdous, T.1; Rechercher : Vick, D.1; Rechercher : Belov, M.1; Rechercher : Fani sani, F.1; Rechercher : McDermott, A.; Rechercher : Losby, J. E.1; Rechercher : Bazylinski, D. A.; Rechercher : Prozorov, T.; Rechercher : Potter, D. K.; Rechercher : Freeman, M. R.1 |
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Affiliation | - Conseil national de recherches du Canada. Institut national de nanotechnologie
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Format | Texte, Article |
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Résumé | The measurements of magnetic hysteresis for aggregates of nanoparticles deposited on a surface are reported. Magnetite nanoparticles derived from magnetotactic bacteria are studied using nanomechanical torque magnetometry. The nanoparticles are deposited on high-stress Si3N4 membranes, to allow inspection by electron microscopy, followed by focused ion-beam milling of torsional resonators precisely located to capture selected aggregates within the membrane area. Torque magnetometry is performed using the resonators. We investigate also the magnetic torque-driven AC resonant modes of the modified supporting membrane. The observations are compared to numerical simulations of the mechanical modes, and to micromagnetic modeling of the hysteresis of a specific measured cluster of ∼350 nanoparticles. |
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Date de publication | 2015-11 |
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Maison d’édition | NRC Research Press |
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Dans | |
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Langue | anglais |
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Publications évaluées par des pairs | Oui |
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Numéro NPARC | 23001566 |
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Exporter la notice | Exporter en format RIS |
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Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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Identificateur de l’enregistrement | e81f62e2-16d2-46b7-8f23-96251a43db12 |
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Enregistrement créé | 2017-03-07 |
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Enregistrement modifié | 2022-06-21 |
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