Magnetic nanostructures, such as dots and dot arrays, nanowires, multilayers and
nanojunctions, are reviewed and compared with bulk magnets. The emphasis is on the …

Within the last years, a fundamental understanding of nanoscaled materials has become a
tremendous challenge for any technical applications. For magnetic nanoparticles, the …

Two-dimensional systems, such as ultrathin epitaxial films and superlattices, display
magnetic properties distinct from bulk materials. A challenging aim of current research in …

The fabrication methods and physical properties of ordered magnetic nanostructures with
dimensions on the submicron to nanometer scale are reviewed. First, various types of …

Critical phenomena arise in a wide variety of physical systems. Classi cal examples are the
liquid-vapour critical point or the paramagnetic ferromagnetic transition. Further examples …

The E 0, E 0+ Δ 0, E 1, E 1+ Δ 1, E 0′, and E 2 optical transitions have been measured in
Ge 1− y Sn y alloys (y< 0.2) using spectroscopic ellipsometry and photoreflectance. The …

The nanostructures considered in this book are magnetic and characterized by structural
length scales ranging from a few interatomic distances to about one micrometer. The basic …

The fabrication methods and physical properties of ordered magnetic nanostructures with
dimensions on the submicron to nanometer scale are reviewed. First, various types of …

Epitaxial bcc Fe has been grown on GaAs (100)-(4× 6) at room temperature and studied with
in situ magneto-optical Kerr effect (MOKE), low-energy electron diffraction, and alternating …

Dipolar superferromagnetism with reentrant low-temperature superspin glass behavior is
observed on a randomly distributed ferromagnetic nanoparticle systems in discontinuous …