We have found that the frequencies of electronic transitions within the monoisotopic Ho3+ impurity in LiYF4 crystal depend on the composition of lithium isotopes in the closest surrounding of Ho3+ and that this surrounding includes different number (N = 4 or 8 ) of Li+ sites for different transitions. We investigated the isotope structure for a great number of transitions of different symmetries and showed that the N = 4 or 8 situation is not connected with the transition symmetry. The spectral line at 11235 cm-1 was proposed to be used for the precise determination of unknown ratio Li-6:Li-7 of lithium isotops in crystals.
Study of isotope composition in crystals by high resolution spectroscopy of monoisotope impurity / AGLADZE; M. N. POPOVA; G. N. ZHIZHIN; M. BECUCCI; S. CALIFANO; M. INGUSCIO; F. S. PAVONE. - In: JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS. - ISSN 1063-7761. - STAMPA. - 76:(1993), pp. 1110-1113.
Study of isotope composition in crystals by high resolution spectroscopy of monoisotope impurity
BECUCCI, MAURIZIO;CALIFANO, SALVATORE;INGUSCIO, MASSIMO;PAVONE, FRANCESCO SAVERIO
1993
Abstract
We have found that the frequencies of electronic transitions within the monoisotopic Ho3+ impurity in LiYF4 crystal depend on the composition of lithium isotopes in the closest surrounding of Ho3+ and that this surrounding includes different number (N = 4 or 8 ) of Li+ sites for different transitions. We investigated the isotope structure for a great number of transitions of different symmetries and showed that the N = 4 or 8 situation is not connected with the transition symmetry. The spectral line at 11235 cm-1 was proposed to be used for the precise determination of unknown ratio Li-6:Li-7 of lithium isotops in crystals.File | Dimensione | Formato | |
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