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Variation Angulaire,Transitions Interdites Dans Le Spectre De R.P.E. Des Ions Mn2+ Dans L'alumine α
Authors:P Mialhe
Institution:Laboratoire de Spectroscopie Hertzienne, Université Claude Bernard Lyon 1-43, Boulevard du 11 Novembre 1918, 69 Villeurbanne, France
Abstract:The spin Hamiltonian with trigonal symmetry for Mn2+ in Al2O3 has been derived. The line positions have been calculated using perturbation theory up to third order. Three groups of forbidden transitions ΔM = ± 1 Δm = ± 1 have been investigated. Q′ and γ have been deduced from for forbidden hyperfine doublets. The two evaluations of the spin Hamiltonian parameters from allowed (Δm = 0) and forbidden lines (Δm = 1) are discussed.
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