Relaxun and their interaction in amorphous alloys

<p indent="0mm">Amorphous or glassy systems will relax toward a low energy state, namely “aging or relaxation”, which exhibits a non-exponential character. Generally, the non-exponential relaxation peaks are composed of a series of local relaxation events. However, the physical description of non-exponential relaxation is still not clear. This article introduces the isothermal annealing behaviors of amorphous alloys. The relaxation units (relaxun), which obey the Debye equation, were detected, and the interaction of different relaxuns can activate the memory effect. The concept “relaxun” is of great significance for understanding the physical nature of non-equilibrium materials, controlling isothermal annealing processes and precisely modulating the properties of amorphous materials.