| Issue |
Europhys. Lett.
Volume 69, Number 3, February 2005
|
|
|---|---|---|
| Page(s) | 411 - 416 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2004-10359-2 | |
| 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
Received:
14
September
2004
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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