EAN: 9783319070933

MAGNETIC NANOPARTICLES - ADRIANA I FIGUEROA GEB...

Magnetic nanoparticles (NPs) are finding their place in many modern technologies such as
electronics (memory or spintronic devices) and medicine (contrast media  electromagnetic
thermal therapy) to name just a few examples. The application of modern techniques based on
synchrotron radiation  in particular X-ray spectroscopies  as well as an rf transverse
susceptibility probe  built ad hoc  allowed the author to investigate several classes of
magnetic NPs with diverse applications. For example  the interesting anisotropic properties of
CoW and CoPt NPs revealed new magnetic behaviour and phases. Gold NPs prepared on a biological
template from Sulfolobus acidocaldarius S-layer  were shown to possess intrinsic magnetism
caused by the electron exchange with the sulfur atoms of the template. Silica and oleic acid
coated magnetite NPs showed excellent human compatibility while preserving the bulk magnetic
figures of merit. Both macroscopic and microscopic properties of all these NPs  hitherto
unexplained  have been revealed for the first time.

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