NDLI: Anomalous Particle Size Dependence of Magnetic Relaxation Phenomena in Goethite Nanoparticles

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Anomalous Particle Size Dependence of Magnetic Relaxation Phenomena in Goethite Nanoparticles

Content Provider	Semantic Scholar
Author	Frandsen, Cathrine Madsen, Daniel Esmarch Boothroyd, Chris Mørup, Steen
Copyright Year	2015
Abstract	By use of Mossbauer spectroscopy we have studied the magnetic properties of samples of goethite nanoparticles with different particle size. The spectra are influenced by fluctuations of the magnetization directions, but the size dependence is not in accordance with the Neel-Brown expression for superparamagnetic relaxation of the magnetization vectors of the particles as a whole. The data suggest that the magnetic fluctuations can be explained by fluctuations of the magnetization directions of small interacting grains within the particles.
Starting Page	481
Ending Page	485
Page Count	5
File Format	PDF HTM / HTML
DOI	10.5562/cca2753
Volume Number	88
Alternate Webpage(s)	http://orbit.dtu.dk/files/126889245/cca2753_1.pdf
Alternate Webpage(s)	https://orbit.dtu.dk/files/126889245/cca2753_1.pdf
Alternate Webpage(s)	http://www.er-c.org/cbb/publications/pdf/234%20Goethite%202015.pdf
Alternate Webpage(s)	https://backend.orbit.dtu.dk/ws/portalfiles/portal/126889245/cca2753_1.pdf
Alternate Webpage(s)	http://hrcak.srce.hr/file/226815
Alternate Webpage(s)	https://doi.org/10.5562/cca2753
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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