Title :
Effect of Brownian relaxation in frequency-dependent magnetic particle spectroscopy measurements
Author :
Wawrzik, Thilo ; Kuhlmann, Christian ; Remmer, H. ; Gehrke, Nicole ; Briel, A. ; Schilling, Meinhard ; Ludwig, F.
Author_Institution :
Inst. fur Elektr. Messtech. und Grundlagen der Elektrotechnik, Tech. Univ. Braunschweig, Braunschweig, Germany
Abstract :
Our recent experiments show that the transition from Brownian to Néel relaxation regime strongly depends on the particle properties and the analysis of the spectrum for different frequencies reveals the dynamics of the ferrofluid.
Keywords :
Brownian motion; Neel temperature; biomedical MRI; ferromagnetic relaxation; magnetic fluids; magnetic particles; nanomedicine; Brownian relaxation effect; Brownian-Neel relaxation; ferrofluid dynamics; frequency-dependent magnetic particle spectroscopy measurements; magnetic resonance imaging; particle properties; spectrum analysis; Atmospheric measurements; Frequency measurement; Harmonic analysis; Magnetic particles; Particle measurements; Spectroscopy; Viscosity;
Conference_Titel :
Magnetic Particle Imaging (IWMPI), 2013 International Workshop on
Conference_Location :
Berkeley, CA
Print_ISBN :
978-1-4673-5520-9
Electronic_ISBN :
978-1-4673-5521-6
DOI :
10.1109/IWMPI.2013.6528371
