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On the g factors of 2E state for 3d3ions at trigonal symmetry
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In connection with local structure, the g factors of 2E state are studied by using complete diagonalization method （CDM）, with the spinel type crystals ZnAl2Ｏ4:Cr3＋, ZnGa2Ｏ4:Cr3＋ and MgAl2Ｏ4:Cr3＋ as the cases. The slight magnetic interactions, including spin-spin （SS）, spin-other-orbit （SOO） and orbit-orbit （OO） interactions are taken into account in our investigations. Theoretical explanations of g factors of 2E state for ZnAl2Ｏ4:Cr3＋ have been given. The results show that the sign of g‖（E′） for ZnGa2Ｏ4:Cr3＋ should be negative. And the value of g factors of 2E state for MgAl2Ｏ4:Cr3＋ have been predicted. It is shown that, the contributions to g factors of 2E state from slight magnetic interactions are appreciable. Compared with the g factors of ground state, the g factors of 2E state are sensitive to the local structure.
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Title: On the g factors of 2E state for 3d3ions at trigonal symmetry
Description:
In connection with local structure, the g factors of 2E state are studied by using complete diagonalization method （CDM）, with the spinel type crystals ZnAl2Ｏ4:Cr3＋, ZnGa2Ｏ4:Cr3＋ and MgAl2Ｏ4:Cr3＋ as the cases.
The slight magnetic interactions, including spin-spin （SS）, spin-other-orbit （SOO） and orbit-orbit （OO） interactions are taken into account in our investigations.
Theoretical explanations of g factors of 2E state for ZnAl2Ｏ4:Cr3＋ have been given.
The results show that the sign of g‖（E′） for ZnGa2Ｏ4:Cr3＋ should be negative.
And the value of g factors of 2E state for MgAl2Ｏ4:Cr3＋ have been predicted.
It is shown that, the contributions to g factors of 2E state from slight magnetic interactions are appreciable.
Compared with the g factors of ground state, the g factors of 2E state are sensitive to the local structure.
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