Heavy Atom Cluster Chains with Strong Spin-Orbit Coupling and Magnetic Cations in Mn[PtBiI].

In the search for new magnetic topological insulators with strong spin-orbit coupling, by following conceptual considerations that have already proven to be suitable, the bismuth-rich subiodide Mn[PtBiI] was discovered. Single crystals were grown from mixtures of the elements and BiI using a temperature program developed on the basis of thermal analyses. Single-crystal X-ray diffraction revealed a rhombohedral structure of the cuboctahedral cluster anions [PtBiI], which are linked into chains via octahedrally coordinated Mn cations.

Electron spin resonance study on the 4honeycomb quantum magnet YbCl.

The local magnetic properties of Ybin the layered honeycomb material YbClwere investigated by electron spin resonance on single crystals. For in-plane and out-of-plane field orientations the-factor shows a clear anisotropy (g∥=2.97(8)andg⊥=1.

Complete field-induced spectral response of the spin-1/2 triangular-lattice antiferromagnet CsYbSe.

Fifty years after Anderson's resonating valence-bond proposal, the spin-1/2 triangular-lattice Heisenberg antiferromagnet (TLHAF) remains the ultimate platform to explore highly entangled quantum spin states in proximity to magnetic order. Yb-based delafossites are ideal candidate TLHAF materials, which allow experimental access to the full range of applied in-plane magnetic fields. We perform a systematic neutron scattering study of CsYbSe, first proving the Heisenberg character of the interactions and quantifying the second-neighbor coupling.

Electron spin resonance of the itinerant ferromagnets LaCrGe, CeCrGeand PrCrGe.

We report electron spin resonance of the itinerant ferromagnets LaCrGe, CeCrGe, and PrCrGe. These compounds show well defined and very similar spectra of itinerant Cr 3spins in the paramagnetic temperature region. Upon cooling and crossing the Cr-ferromagnetic ordering (below around 90 K) strong spectral structures start to dominate the resonance spectra in a quite different manner in the three compounds.

Magnetic and Electronic Properties of Weyl Semimetal CoMnGa Thin Films.

Magnetic Weyl semimetals are newly discovered quantum materials with the potential for use in spintronic applications. Of particular interest is the cubic Heusler compound CoMnGa due to its inherent magnetic and topological properties. This work presents the structural, magnetic and electronic properties of magnetron co-sputtered CoMnGa thin films, with thicknesses ranging from 10 to 80 nm.