EPR of Gd3+ in Na2Cd(SO4)22H2O, comparison with previous results obtained for Fe3+.

Autor: Gaite, J. M., Bulka, G. R., Hasanova, N. M., Nizamutdinov, N. M., Vinokurov, V. M.
Předmět:
Zdroj: Journal of Chemical Physics; 12/15/1985, Vol. 83 Issue 12, p6088, 3p
Abstrakt: An EPR experiment on Gd3+ in a single crystal of Na2Cd(SO4)22H2O (CdK) was carried out at Q band frequency and nitrogen temperature. Two spectra related by symmetry were observed. All spin Hamiltonian constants have been calculated. The pseudosymmetries of the fourth-order term of the spin Hamiltonian are compared to those of Fe3+. It is observed that the substitution of Gd3+ for Cd2+ induced a very important local distortion of the host lattice, which is discussed. [ABSTRACT FROM AUTHOR]
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