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Magnetic spectroscopy at high pressures using X-ray magnetic circular dichroism
- DOI:
- 10.1080/08957950802020307
pages 185-192
Available online: 07 Oct 2008Abstract
The imbalance in the electronic density of states between spin-up and spin-down electrons characteristic of ferro(ferri)-magnetic materials gives rise to X-ray magnetic circular dichroism (XMCD) in the absorption of circularly polarized X-rays with opposite helicity. These dichroic effects are largest near element-selective atomic resonances and can be used to probe ferro(ferri)-magnetic ordering with element- and electronic orbital-selectivity. We describe recent developments at the Advanced Photon Source that allow measurements of XMCD in a diamond anvil cell. We discuss the challenges associated with these measurements as well as their potential to further our understanding of complex magnetic materials.
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- Citation information:
- Available online: 07 Oct 2008
Author affiliations
- a Advanced Photon Source, Argonne National Laboratory, Argonne, IL, USA
- b HPCAT – Carnegie Institution of Washington, Argonne, IL, USA
- c Materials and Engineering Physics Program, Ames Laboratory, Iowa State University, Ames, IA, USA
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