Effects of optical radiation on the Mössbauer spectrum of ¹⁵¹Eu³⁺: CaF₂

Silviu Olariu Physics Department, Texas A and M University, College Station, Texas 77840, USA; National Institute of Physics and Nuclear Engineering, 077125 Magurele, Bucharest, Romania

Roman Kolesov Physics Department, Texas A and M University, College Station, Texas 77840, USA; Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, 603600, Russia

Farit Vagizov Physics Department, Texas A and M University, College Station, Texas 77840, USA; Kazan State University, Kazan 420008, Russia

Olga Kocharovskaya * Physics Department, Texas A and M University, College Station, Texas 77840, USA; Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod, 603600, Russia

Abstract

We study the changes in the shape of the Mössbauer spectrum for the 21.5 keV transition of ¹⁵¹Eu³⁺ nuclei in a CaF₂ lattice, assuming that a population of the excited electronic state ⁵ D ₀ is maintained by optical pumping. For a population of the excited state ⁵ D ₀ of 10%, we determine the magnitude of the changes in the Mössbauer spectrum as 1.9% of the area of the unperturbed spectrum.

Acknowledgments

The authors are grateful to Yuri Rostovtsev for fruitful discussions, and express appreciation for the support of their research by NSF, ONR, CRDF and AFOSR. One of the authors (SO) acknowledges the support of the Romanian Ministry for Education and Research via the CERES program.

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Effects of optical radiation on the Mössbauer spectrum of ¹⁵¹Eu³⁺: CaF₂

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Effects of optical radiation on the Mössbauer spectrum of 151Eu3+: CaF2

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Effects of optical radiation on the Mössbauer spectrum of ¹⁵¹Eu³⁺: CaF₂