Low-field susceptibility of PtFe alloys
作者： J C Ododo
DOI: 10.1088/0305-4608/9/7/023
关键词: Spin glass 、 Curie temperature 、 Condensed matter physics 、 Field (physics) 、 Ferromagnetism 、 Materials science
摘要: The temperature dependence of the low field AC susceptibility a number PtFe alloys has been measured. For ferromagnetic Curie varies linearly with solute concentration (up to approximately 15% Fe) and extrapolates zero at critical 0.76% Fe. Below this spin glass regime probably exists. susceptibility-temperature curves for weakly (1-4% are similar those hitherto commonly associated only glasses, while most concentrated investigated (15 17% bear some resemblance AuFe compositions.
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