Magnetorelaxometry of Nanoparticles Using a GMI Magnetometer
| Autor: | Meinhard Schilling, Arthur Yelon, Matthieu Denoual, L. G. C. Melo, David Ménard, Frank Ludwig, Christophe Dolabdjian, Basile Dufay, Sébastien Saez, E. Heim |
|---|---|
| Přispěvatelé: | Equipe Electronique - Laboratoire GREYC - UMR6072, Groupe de Recherche en Informatique, Image et Instrumentation de Caen (GREYC), Centre National de la Recherche Scientifique (CNRS)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Normandie Université (NU)-Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU), Institut für Elektrische Messtechnik und Grundlagen des Elektrotechnik, Technische Universität Braunschweig = Technical University of Braunschweig [Braunschweig], Département de génie physique [Montréal], École Polytechnique de Montréal (EPM) |
| Rok vydání: | 2009 |
| Předmět: |
GMI MAGNETOMETER
010302 applied physics Materials science Magnetometer MAGNETIC NANOPARTICLES (MNPS) Nanoparticle 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Atomic and Molecular Physics and Optics law.invention Magnetic field [SPI.ELEC]Engineering Sciences [physics]/Electromagnetism chemistry.chemical_compound Nuclear magnetic resonance Volume (thermodynamics) chemistry law MAGNETORELAXOMETRY 0103 physical sciences Electrical and Electronic Engineering 0210 nano-technology Superparamagnetism Magnetite |
| Zdroj: | Sensor letters Sensor letters, American Scientific Publishers, 2010, 7 (3), p429-432. ⟨10.1166/sl.2009.1087⟩ |
| ISSN: | 1546-1971 1546-198X |
| DOI: | 10.1166/sl.2009.1087 |
| Popis: | International audience; We have performed magnetorelaxometry measurements on superparamagnetic magnetite (Fe3O4) nanoparticles using a low-cost custom-made Giant MagnetoImpendance magnetometer. We demonstrate that we are able to evaluate the concentration of nanoparticles in the sample (with a volume of around 150 µl) by comparison with reference measurements of the induced magnetic field using fits to the Néel expression for magnetorelaxation. |
| Databáze: | OpenAIRE |
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