Fractal peculiarities of the grain structures in high-temperature polycrystalline ferroelectrics
<i>The result of the multifractal studies of the grain structure evolution of the high-temperature ferroelectric LiNb0</i><sub><i>3</i></sub><i>-based ceramics caused by their doping with ions of different valency are reported. The behavior of the fractal parameters of the NaNb0</i><sub><i>3</i></sub><i></i>-<i>Sr</i><sub><i>2</i></sub><i>Hb</i><sub><i>2</i></sub><i>0</i><sub><i>7</i></sub><i> solid solutions is explained. The multifractal properties of the high-temperature and low-temperature systems are compared. The regularities of the changes in the properties of ferroelectrics are revealed.</i>