Optical Absorption Intensities of Rare-Earth Ions
Electric dipole transitions within the $4f$ shell of a rare-earth ion are permitted if the surroundings of the ion are such that its nucleus is not situated at a center of inver...
Electric dipole transitions within the $4f$ shell of a rare-earth ion are permitted if the surroundings of the ion are such that its nucleus is not situated at a center of inver...
It is shown that many simple relations exist between various reduced matrix elements of the form (fn WUSL || Uk || fnW'U'SL'), where W = (w1w2w3) and U = (u1u2) are irreducible ...
A theoretical analysis is made of the splittings induced in the levels 7 F 1, 7 F 2, 7 F 3, 7 F 4, 7 F 5, 7 F 6 of the ion Eu3+ by the electric field of the ethyl sulphate latti...
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