Hase, Thomas P. A., Raanaei, Hossein, Lidbaum, Hans, Sanchez-Hanke, Cecilia, Wilkins, Stuart, Leifer, Klaus and Hjorvarsson, Bjorgvin (2009) Spin and orbital moment in amorphous Co68Fe24Zr8 layers. Physical Review B (Condensed Matter and Materials Physics), Vol.80 (No.13). Article no. 134402. doi:10.1103/PhysRevB.80.134402 ISSN 1098-0121.
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Abstract
The ratio of the orbital to the spin magnetic moment was determined for both Fe and Co in amorphous Co68Fe24Zr8 layers using x-ray circular dichroism. The investigations were performed on both thick Co68Fe24Zr8 layers as well as on amorphous Co68Fe24Zr8/Al70Zr30 multilayers grown by dc sputtering. Structural characterization was performed using x-ray reflectometry, x-ray diffraction, and transmission electron microscopy. X-ray circular dichroism, x-ray magnetic scattering as well as the magneto-optic Kerr effect were used to characterize the magnetic properties of the amorphous materials. The ratio of the orbital to spin moments in the single CoFeZr-layer sample was 0.012 +/- 0.005 for Fe and 0.078 +/- 0.005 for Co. Substantial reduction in the the ratio of the orbital to spin moments was observed with decreasing CoFeZr-layer thickness.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QC Physics |
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics |
| Library of Congress Subject Headings (LCSH): | Nuclear spin, Anisotropy, Thin films, Amorphous substances, Magnetic circular dichroism |
| Journal or Publication Title: | Physical Review B (Condensed Matter and Materials Physics) |
| Publisher: | American Physical Society |
| ISSN: | 1098-0121 |
| Official Date: | October 2009 |
| Dates: | Date Event October 2009 Published |
| Volume: | Vol.80 |
| Number: | No.13 |
| Number of Pages: | 8 |
| Page Range: | Article no. 134402 |
| DOI: | 10.1103/PhysRevB.80.134402 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| Funder: | Sweden. Vetenskapsrådet [Research Council], Knut och Alice Wallenbergs Stiftelse (Sweden) |
| URI: | https://wrap.warwick.ac.uk/16709/ |
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