Laws of volume elasticity of the physical processes and the parameter effect

26 Feb 2015  ·  Polyakov P. I. ·

We consider the mechanism of elastic strains and stresses as the main controlling factor of structure change under the influence of temperature, magnetic field, hydrostatic pressure. We should take into account that the energy of elastic deformation is commensurate to the energy of electric interactions and that is much higher than the rest of the bonds of lower energy value... Besides, the energy elastic stresses are of long range, so it forms the linearity in magnetization and bulk change. These regularities requires a fundamental understanding of the laws of interaction with respect to accepted interpretation of quantum mechanical forces of short range that are attributes of magnetism formation. Due to the high sensitivity of electronic and resonance properties with respect to small changes of the structure, we were able to define the direct relation between elastic stresses and field-frequency dependencies, as well as to analyze the evolution of the dynamics of phase transitions and phase states. A cycle of studies of the influence of hydrostatic pressure on the resonance properties are presented also. The analysis of the effect of magnetic, magneto-elastic and elastic energy allowed us to define the combinations of magneto-elastic interactions. The role of elastic stresses in the linear changes of the magnetostriction, magnetization, magnetoelasticity of single-crystal magnetic semiconductors is described in details. read more

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Materials Science