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Temperature Dependence of the Mcxd at the GD Lm Edge

  • K. J. Gofrono (a1) (a2), C. W. Kimball (a1) (a2), P. L. Lee (a2), G. Jennings (a2) and P. A. Montano (a2) (a3)...

Abstract

An energy dispersive spectrometer is used to measure the temperature dependence of the Magnetic Circular X-ray Dichroism (MCXD) effect at the gadolinium (Gd metal) LIII absorption edge from 94 K to 335 K. In ferromagnetic Gd, the MCXD spectrum consists of the main positive peak with pre- and post-edge features. Only the main positive peak exhibits a temperature dependence similar to that of Gd magnetization. All other features decrease as the temperature increases and vanish slightly above the transition temperature (293 K). Well above the ordering temperature (paramagnetic Gd), the MCXD consists only of the positive peak, with a post-edge background that slowly decays away from it over a range of 90 eV.

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Temperature Dependence of the Mcxd at the GD Lm Edge

  • K. J. Gofrono (a1) (a2), C. W. Kimball (a1) (a2), P. L. Lee (a2), G. Jennings (a2) and P. A. Montano (a2) (a3)...

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