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What we can learn from magnetic Compton scattering : application to the determination of spin polarization
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Duffy, J. A. (2013) What we can learn from magnetic Compton scattering : application to the determination of spin polarization. Journal of Physics: Conference Series, Volume 443 (Number 1). Article number 012011. doi:10.1088/1742-6596/443/1/012011
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Official URL: http://dx.doi.org/10.1088/1742-6596/443/1/012011
Abstract
Studies of spin-resolved electron momentum densities involve the measurement of the so-called magnetic Compton profile. This is a one-dimensional projection of the electron momentum distribution of only those electrons that contribute to the spin moment of a sample. The technique is applicable to ferri- and ferromagnetic materials. The profile is obtained via the inelastic 'Compton' scattering of high energy X-rays. Since electrons originating from different atomic orbitals have specific momentum densities, it is often possible to determine the origin of the magnetism present. Typically, interpretation requires the use of electronic structure calculations using molecular orbital and band structure approaches. Here, we highlight the application of the technique to the determination of the Fermi level spin polarization, the knowledge of which is important to the development of novel spintronic materials.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Divisions: | Faculty of Science > Physics | ||||
| Library of Congress Subject Headings (LCSH): | Compton effect, Polarization (Nuclear physics) | ||||
| Journal or Publication Title: | Journal of Physics: Conference Series | ||||
| Publisher: | Institute of Physics Publishing Ltd. | ||||
| ISSN: | 1742-6596 | ||||
| Official Date: | 2013 | ||||
| Dates: |
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| Date of first compliant deposit: | 26 December 2015 | ||||
| Volume: | Volume 443 | ||||
| Number: | Number 1 | ||||
| Article Number: | Article number 012011 | ||||
| DOI: | 10.1088/1742-6596/443/1/012011 | ||||
| Status: | Not Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Open Access | ||||
| Funder: | European Synchrotron Radiation Facility (ESRF) |
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