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Relative Bond Strengths of the f-, s-, and d-Electrons of Rare Earth Elements

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The relative bond strengths of various electronic configurations of rare earth elements are investigated. By registering the intensity of the optical spectra of lanthanides, the implementation of the Pauli principle and the principle of energy efficiency of filling electronic shells are explained. A general tendency of strengthening of the 4f electron bond in comparison with the 5d electron bond has been found. It is shown that the larger the charge of the nucleus, the stronger the bond of the 4f electrons compared to the 5d valence electrons which have a large principal quantum number.

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Authors and Affiliations

  1. Samarkand State University, Samarkand, Republic of Uzbekistan

    N. B. Eshkabilov & A. S. Kurbaniyazov

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  1. N. B. Eshkabilov
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  2. A. S. Kurbaniyazov
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Correspondence to N. B. Eshkabilov.

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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 8, pp. 24–27, August, 2022.

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Eshkabilov, N.B., Kurbaniyazov, A.S. Relative Bond Strengths of the f-, s-, and d-Electrons of Rare Earth Elements. Russ Phys J 65, 1262–1265 (2022). https://doi.org/10.1007/s11182-023-02760-3

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  • DOI: https://doi.org/10.1007/s11182-023-02760-3

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