The so-called linear reversal mode is demonstrated in spin model simulations of the high anisotropy material Llo FePt. Reversal of the magnetization is found to readily occur in the linear regime despite an energy barrier (KV / kB T) that would conventionally ensure stability on this timescale. The timescale for the reversal is also established with a comparison to the Landau-Lifshitz-Bloch equ...

This study examined sex differences in categorization of facial emotions and activation of brain regions supportive of those classifications. In Experiment 1, performance on the Facial Emotion Perception Test (FEPT) was examined among 75 healthy females and 63 healthy males. Females were more accurate in the categorization of fearful expressions relative to males. In Experiment 2, 3T functional...

Nanoparticles are finding a rapidly expanding range of applications in research and technology, finally entering our daily life in medical, cosmetic or food products. Their ability to invade all regions of an organism including cells and cellular organelles offers new strategies for medical diagnosis and therapy (nanomedicine), but their safe use requires a deep knowledge about their interactio...

In the title compound, [FePt(C(5)H(5))(C(24)H(19)NP)Cl(2)]·0.5CH(2)Cl(2), the Pt(II) atom adopts a distorted square-planar geometry defined by one P atom and one N atom from the bidentate [2-(diphenyl-phosphino)phenyl-imino-meth-yl]ferro-cene ligand and two Cl atoms. Two disordered dichloro-methane solvent mol-ecules are each 0.25-occupied on a twofold rotation axis.

By chemically modifying the nucleation burst that generates monodisperse FePt nanocrystals, a mixture of Pt and Fe(x)Pt(1-x) nanoparticles forms during a one-pot reaction that includes a small amount of Cu as a catalyst; size-selective precipitation yields a bi-disperse population of Fe(x)Pt(1-x) nanoparticles, which can assemble into high-quality AB2, AB5, and AB13 superlattice structures.

MA 1.1 Mon 9:30–10:00 EB 301 Composite nanoparticles and nanopatterns for ultrahigh density magnetic recording — •Dagmar Goll MA 6.1 Mon 14:00–14:30 EB 301 Genuine bulk electronic structures of strongly correlated transition metal oxides revealed by high energy photoelectron spectroscopy — •Shigemasa Suga MA 6.2 Mon 14:30–15:00 EB 301 Probing spin excitations in magnetic nanostructures and half...