NMR Study of the Magnetic Properties of Dilute Al-Mn Alloys
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概要
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High fields NMR experiments on Al-Mn alloys, complete previous results on this system. Together with the inhomogeneous Knight shift broadening of the Al^<27> main line, two satellite lines could be detected. These effects are associated to the spin polarization induced by the impurity in the conduction band. One satellite, attributed to the first shell of neighours of the impurity, has a temperature dependent Knight shift suggesting a 15% reduction of the localized susceptibility from 0 to 300°K. The results are shown to be explained correctly by the frequency dependent Hartree Fock approximation if the experimental value of the susceptibility is used. When compared with more magnetic systems, the absence of qualitative difference for the macroscopic as well as microscopic properties, points, out that these results may be valid for the whole range of critical temperatures, and stresses the smoothness of the transition magnetism-non magnetism.
- 社団法人日本物理学会の論文
- 1971-01-05
著者
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Pouget J.
Laboratoire De Physique Des Solides Faculte Des Sciences
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ALLOUL H.
Institute for Solid State Physics, University of Tokyo
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BERNIER H.
Laboratoire de Physique des Solides, Faculte des Sciences
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LAUNOIS H.
Institute for Solid State Physics, University of Tokyo
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Alloul H.
Institute For Solid State Physics University Of Tokyo
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Launois H.
Institute For Solid State Physics University Of Tokyo
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Bernier H.
Laboratoire De Physique Des Solides Faculte Des Sciences