AN INVESTIGATION FOR THE EPR PARAMETERS AND THE CRYSTAL LATTICE DEFECTS OF THE TETRAGONAL SYMMETRY IN KZnF3:Cr3+ AND KMgF3:Cr3+

• KZnF_3:Cr~(3+)和KMgF_3:Cr~(3+)四角对称电子顺磁共振参量与晶格缺陷的研究