Magnetic Nanoparticles: Synthesis, Assembly and Applications

Dear Colleagues,

Monodisperse magnetic nanoparticles are of interest for both technological and fundamental reasons. One reason for this trend is that they are potential candidates for increasing devices’ magnetic storage density even further towards the terabyte-per-inch-squared level; the magnetic interaction between neighboring particles is becoming an increasingly important parameter that must be understood and controlled. The study of magnetic configurations is most effectively conducted by arranging nanoparticles in a regular 2D or 3D lattice. Magnetic nanoparticles are particularly intriguing for examining dipolar interparticle interactions, as these interactions are determined by the relative distance and orientation of two magnetic moments, with the degree of structural order having a direct correlation to the nature of the interparticle interaction. The direct and indirect exchange coupling in bulk materials is a well-established phenomenon. However, the magnetic configurations resulting from magnetostatic interactions in nanoparticles are not well understood. 

Regular arrangements of magnetic nanoparticles across a large surface area are of fundamental interest for understanding magnetic interactions and for designing potential applications in information technology and spintronics devices that utilize the spin degree of freedom in electron currents, in addition to charge. Once nanoparticle building blocks self-assemble on a substrate, they produce a new system that presents an ideal model to study the interaction between particles on the length scale, which is defined by the nanostructure.

Dr. Asmaa Qdemat
Dr. Fabio Carniato
Guest Editors

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• magnetic nanoparticles
• nanomagnetism
• nanomaterial
• self-assembly
• X-ray scattering
• neutron scattering
• small-angle scattering
• grazing incidence small-angle scattering