Magnetic circular x-ray dichroism at Pd L2,3-edges in Fe-Pd alloys

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Okayama Univ, Okayama, Japan [1 ]
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Solid State Commun | / 6卷 / 491-496期
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Electromagnetic wave absorption - Electronic structure - Iron alloys - Magnetic moments - Magnetic properties - Magnetic variables measurement - Magnetization - Palladium alloys - Statistical methods - X ray spectroscopy;
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摘要：
We have measured magnetic circular x-ray dichroism and x-ray absorption near edge structure at the Pd L2,3-edges in disordered Fe-Pd alloys. The measurements in the energy range of 3.1-3.4 keV were made by detecting the fluorescent x-rays from bulk sample at room temperature. The intensity ratio between the dichroic signals at the L2,3-edges is in good agreement with the statistical value of -1, which indicates that spin-orbit coupling is weak in the Pd 4d-bands. The magnetooptical sum rules show that the Pd 4d magnetic moments are mainly ascribed to spin character.
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