Structural and thermodynamic properties of quasi-2D MoW(S, Se, Te)monolayer alloys: a statistical first principle study.

In this work, we report anstudy of the structural and thermodynamic properties of two-dimensional transition-metal dichalcogenides (2D-TMDC) alloys, MoW(S, Se, Te), using the cluster expansion framework to compute the Helmholtz free energy of alloys as a function of alloy composition and temperature, in the framework of the generalized quasi-chemical approximation. We consider alloying only on the metal sublayer. Our results indicate a weak dependence of the structural properties (lattice constants, nearest-neighbor bond lengths, and layer width) on the alloy composition (i.

Interplay between magnetic, metal/insulator and topological phases in Hg Mn Te alloys: prediction of a ferromagnetic Weyl semimetal at x = 0.25.

We report a theoretical investigation of magnetic, electronic, and topological properties of Hg Mn Te alloys. We consider periodic structures with Mn concentrations as x  =  0, 0.25, 0.

Short-term effects of air pollution from biomass burning in mucociliary clearance of Brazilian sugarcane cutters.

Nasal mucociliary system is the first line of defense of the upper airways and may be affected acutely by exposure to particulate matter (PM) from biomass burning. Several epidemiologic studies have demonstrated a consistent association between levels of air pollution from biomass burning with increases in hospitalization for respiratory diseases and mortality. To determine the acute effects of exposure to particulate matter from biomass burning in nasal mucociliary transport by saccharin transit time (STT) test, we studied thirty-three non-smokers and twelve light smokers sugarcane cutters in two periods: pre-harvest season and 4 h after harvest at the first day after biomass burning.