First observation of ferromagnetism and ferromagnetic domains in a liquid metal |
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Authors: | T. Albrecht C. Bührer M. Fähnle K. Maier D. Platzek J. Reske |
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Affiliation: | Institut für Strahlen- und Kernphysik der Universit?t Bonn, Germany, DE Max-Planck-Institut für Metallforschung, Stuttgart, Germany, DE
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Abstract: | 80 Pd20 alloy below the Curie temperature TC(l)=1257 K of the liquid state. The magnetization of the undercooled liquid sample has been measured as a function of temperature using a modified Faraday balance. Below TC(l), the magnetization of the liquid metal shows a plateau in the weak external field of μ0Hz=5.6 mT. The effect is comparable to the behaviour of the corresponding solid phase, indicating the onset of spontaneous magnetization with ferromagnetic domains. TC(l) is about 20 K lower than the Curie temperature of the solid phase TC(s). Received: 24 February 1997/Accepted: 16 May 1997 |
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Keywords: | PACS: 75.20.En 75.30.Kz 75.40.Cx |
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