Abstract

The intermetallic compound CeRh2Si2 has been investigated by means of perturbed γ-γ angular correlation (PAC) spectroscopy using I111n(C111d) and L140a(C140e) probe nuclei. Measurements with C111d were carried out in the temperature range of 8–295 K. The results showed a highly distributed and almost temperature independent quadrupole interaction. No magnetic interaction was observed with this probe down to the lowest measured temperature. Measurements with L140a(C140e) probe were carried out in the temperature range of 8–36 K to determine the magnetic hyperfine field at Ce sites. A well defined magnetic interaction was observed at around 36 K. The PAC spectra below 25 K showed an additional magnetic interaction which was assigned to C140e probe substituting Ce positions with a different magnetic structure.

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