Volume 69, Number 3, February 2005
|Page(s)||411 - 416|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||24 December 2004|
Distinguishing magnetic-moment and magnetic-ordering behavior on the Slater-Pauling curve
Department of Physics, The Pennsylvania State University - PA 16802, USA
Accepted: 22 November 2004
We report magnetic dichroism in photoemission using linearly polarized synchrotron radiation (XMLD) from the core levels of the ferromagnetic metals , , , and their binary alloys, including . Lineshape analysis reveals that the magnetic dichroism asymmetry in the spectral width, , tracks the changing magnitudes of the elemental magnetic moments. In contrast, the magnetic dichroism asymmetry peak-to-peak amplitudes, , monitor the overall saturation magnetization, which shows deviations from the Slater-Pauling curve due to changes in magnetic order, particularly at the Invar composition of .
PACS: 71.20.Be – Transition metals and alloys / 75.25.+z – Spin arrangements in magnetically ordered materials (including neutron and spin-polarized electron studies, synchrotron-source x-ray scattering, etc.) / 79.60.-i – Photoemission and photoelectron spectra
© EDP Sciences, 2005
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