Surface effects on magnetic properties o
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KΓΆseogΜlu, Y. ;Kavas, H. ;AktasΜ§, and B.
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Article
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2006
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John Wiley and Sons
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English
β 368 KB
## Abstract Superparamagnetic nanoparticles of magnetite (Fe~3~O~4~) 2 nm in size were produced by a coβprecipitation method. Superparamagnetic resonance (SPR) spectra at room temperature show a broad line with a LandΓ© __g__ βfactor, __g__ ~eff~ β 2. It was observed that, as the temperature decreas