Determining magnetization configurations and reversal of individual magnetic nanotubes

Poggio, Martino. (2020) Determining magnetization configurations and reversal of individual magnetic nanotubes. In: Magnetic Nano- and Microwires. Duxford, pp. 491-517.

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This chapter focuses on ferromagnetic nanotubes (FNTs) and their experimental investigation by techniques capable of measuring the response of individual specimens. This capability has developed recently and is now having a strong impact on our understanding of the behavior of real FNT structures. Despite the wealth of predictions on the equilibrium configurations and reversal modes of FNTs, direct experimental evidence of their magnetic behavior has emerged only recently. This is partly due to the difficulty of measuring individual magnetic nanostructures with many conventional magnetometry techniques, which do not have the necessary sensitivity to detect the small total magnetic moment of a single nanomagnet. As a result, measurements of their magnetic properties are often carried out on large ensembles, whose constituent nanomagnets have a distribution of size, shape, and orientation and-depending on the density-may interact with each other. These complications conspire to make accurate characterization of the stable magnetization configurations and reversal processes difficult. To obtain a clear understanding of the magnetic properties of FNTs, it is therefore advantageous to investigate individual specimens. We review such efforts, which include measurements of magnetoresistence, torque magnetometry, X-ray microscopy, scanning SQUID microscopy, and magnetic force microscopy.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Nanotechnologie Argovia (Poggio)
UniBasel Contributors:Poggio, Martino
Item Type:Book Section
Book Section Subtype:Further Contribution in a Book
Series Name:Woodhead Publishing Series in Electronic and Optical Materials
Note:Publication type according to Uni Basel Research Database: Book item
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Last Modified:15 Apr 2020 14:52
Deposited On:15 Apr 2020 14:52

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