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Influence of parity-forbiddenness in the onset of mixed valence state in Sm1−x GdxS

  • Semiconductors. Dielectrics
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Abstract

The electronic structure of Sm and Gd in Sm1−x GdxS has been experimentally studied by the x-ray shift method. Besides the well known strong increase of Sm valence at x≈0.15 (associated with the electronic transition to the mixed valence state), a decrease of Sm valence for x⩾0.9 has been observed for the first time. This phenomenon is explained as due to the 4f-5d hybridization on neighboring Sm atoms involved in the onset of the mixed valence state, and is interpreted as a manifestation of parity violation forbiddenness.

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Authors and Affiliations

  1. B. P. Konstantinov St. Petersburg Nuclear Physics Institute, Russian Academy of Sciences, 188350, Gatchina, Leningrad District, Russia

    A. E. Sovestnov, V. A. Shaburov, Yu. P. Smirnov & A. V. Tyunis

  2. A. F. Ioffe Physicotechnical Institute, Russian Academy of Sciences, 194021, St. Petersburg, Russia

    A. V. Golubkov & I. A. Smirnov

Authors
  1. A. E. Sovestnov
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  2. V. A. Shaburov
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  3. Yu. P. Smirnov
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  4. A. V. Tyunis
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  5. A. V. Golubkov
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  6. I. A. Smirnov
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Additional information

Fiz. Tverd. Tela (St. Petersburg) 39, 1017–1019 (June 1997)

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Sovestnov, A.E., Shaburov, V.A., Smirnov, Y.P. et al. Influence of parity-forbiddenness in the onset of mixed valence state in Sm1−x GdxS. Phys. Solid State 39, 913–915 (1997). https://doi.org/10.1134/1.1130001

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  • DOI: https://doi.org/10.1134/1.1130001

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