151Eu Mössbauer spectroscopy of the filled skutterdite-type compound EuRu4P12
EuRu4P12 with the filled skutterudite-type crystal structure undergoes a ferromagnetic transition at T c= 17.8 K. 151Eu Mössbauer spectroscopy was carried out on EuRu4P12. A magnetic hyperfine field is −398 kOe at 4.2 K and a transferred hyperfine field of −58 kOe is estimated. The transferred hyperfine field of −330 kOe in EuFe4P12 which is ferromagnetic below 100 K is about six times larger than that of EuRu4P12. This ratio of the transferred hyperfine fields correspond well to that of the Curie temperatures.
Keywords151Eu Mössbauer spectroscopy filled skutterudite EuRu4P12 hyperfine field transferred hyperfine field
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