The MAS NMR study of solid solutions based on the YAG crystal

An ²⁷Al magic angle spinning (MAS) nuclear magnetic resonance (NMR) study of nominally pure and Cr-doped yttrium-aluminum garnet (Y₃Al₅O₁₂ and Y₃Al₅O₁₂:Cr) crystals is reported. It has been shown that the doping by Cr of the Y₃Al₅O₁₂ crystals leads to the variation of the occupation by Al atoms both octahedrally and tetrahedrally coordinated sites of the garnet lattice.