Influence of the martensitic structure transformation in LaAg
x
In1−x
on the magnetic properties of substituted Ce |
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Authors: | H Ihrig S Methfessel |
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Institution: | (1) Abteilung Physik IV, Ruhr-Universität Bochum, Postfach 21 48, D-4630 Bochum, Germany;(2) Present address: Philips Forschungslaboratorium Aachen, Germany |
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Abstract: | The martensitic phase transformation has no observable effect on the magnetic susceptibility of Ce in LaAg
x
In1–x
which agrees with the assumption of a crystal field splitting by 300 K of the2
F
5/2 ground state of Ce3+ ions. The magnetic ordering temperature and the Kondo minimum move to higher temperatures together with the martensitic phase transformation when the Ag concentration is reduced. This behavior can be related qualitatively to the lowering of the 5d – e
g levels in the center of the Brillouin-zone with increasing In content. |
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Keywords: | |
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