Analysis of angular dependences the diffraction peak broadening observed in α-uranium as-received state, after loading by converging spherical shock wave, low-speed uniaxial deformation, and annealing at 850°С has been presented this work. Broadening anisotropy identical for all states investigated demonstrated. The authors have attempted to explain phenomena Young’s modulus uranium or crystall...

In this work, structural and magnetic properties of LaMnO3+δ compound prepared by citrate precursor method and annealed in presence of oxygen are investigated. The structural characterization of LaMnO3+δ by X-ray powder diffraction and using X’pert package and Fullprof program is evidence for a rhombohedral structure (R-3c space group) confirmed by FTIR measurement. The magnetic measurements sh...

Antiferromagnetic or charge density wave fluctuations couple with light through the recently discovered {\pi}-ton contribution to optical conductivity, and quite generically constitute dominant vertex corrections in low-dimensional correlated electron systems. Here we study arguably simplest version of these $\pi$-tons based on semi-analytical random phase approximation (RPA) ladder transversal...

the ultra-nanocrystalline diamond (uncd) was synthesized by the detonation of a high explosive mixture in water confinement. the presence of a diamond phase was revealed by x-ray diffraction (xrd) and transmission electron microscopy (tem). x-ray line broadening (xrlb) was used to evaluate the peak profiles of diamond nanoparticles and their corresponding average crystallite sizes. the micro st...