Magnetic anisotropy of textured CrO2 thin films investigated by X-ray magnetic circular dichroism

dc.contributor.authorGoering, Eberharddeu
dc.contributor.authorJusten, M.deu
dc.contributor.authorGeissler, Jochendeu
dc.contributor.authorRüdiger, Ulrich
dc.contributor.authorRabe, M.deu
dc.contributor.authorGüntherodt, Gernotdeu
dc.contributor.authorSchütz, Giseladeu
dc.date.accessioned2011-03-24T14:49:43Zdeu
dc.date.available2011-03-24T14:49:43Zdeu
dc.date.issued2002deu
dc.description.abstractHighly a-axis-textured CrO2 films have been deposited on Al2O3 (0001) substrates by chemical vapor deposition. CrO2 has been found to have highly a-axis (010)-oriented columnar growth on a Cr2O3 (0001) initial layer. The sixfold surface symmetry of the Cr2O3 initial layer leads to three equivalent in-plane orientations of the a-axis-oriented CrO2 unit cell. We report Cr L2,3 X-ray magnetic circular dichroism data along the surface normal and at 60° off-normal sample orientation. For a 60° sample alignment, a strong increase of the projected orbital moment could be observed for unoccupied majority t2g states using moment analysis. Therefore, the c axis is identified as the intrinsic magnetic easy axis of CrO2. In addition, a small spin moment and a very strong magnetic dipole term Tz have been found.eng
dc.description.versionpublished
dc.format.mimetypeapplication/pdfdeu
dc.identifier.citationFirst publ. in: Applied Physics / A, Materials Science and Processing, 74 (2002), pp. 747-753deu
dc.identifier.doi10.1007/s003390201302
dc.identifier.ppn279019505deu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/4703
dc.language.isoengdeu
dc.legacy.dateIssued2008deu
dc.rightsAttribution-NonCommercial-NoDerivs 2.0 Generic
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.0/
dc.subject.ddc530deu
dc.titleMagnetic anisotropy of textured CrO2 thin films investigated by X-ray magnetic circular dichroismeng
dc.typeJOURNAL_ARTICLEdeu
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kops.citation.bibtex
@article{Goering2002Magne-4703,
  year={2002},
  doi={10.1007/s003390201302},
  title={Magnetic anisotropy of textured CrO2 thin films investigated by X-ray magnetic circular dichroism},
  volume={74},
  journal={Applied Physics / A, Materials Science and Processing},
  pages={747--753},
  author={Goering, Eberhard and Justen, M. and Geissler, Jochen and Rüdiger, Ulrich and Rabe, M. and Güntherodt, Gernot and Schütz, Gisela}
}
kops.citation.iso690GOERING, Eberhard, M. JUSTEN, Jochen GEISSLER, Ulrich RÜDIGER, M. RABE, Gernot GÜNTHERODT, Gisela SCHÜTZ, 2002. Magnetic anisotropy of textured CrO2 thin films investigated by X-ray magnetic circular dichroism. In: Applied Physics / A, Materials Science and Processing. 2002, 74, pp. 747-753. Available under: doi: 10.1007/s003390201302deu
kops.citation.iso690GOERING, Eberhard, M. JUSTEN, Jochen GEISSLER, Ulrich RÜDIGER, M. RABE, Gernot GÜNTHERODT, Gisela SCHÜTZ, 2002. Magnetic anisotropy of textured CrO2 thin films investigated by X-ray magnetic circular dichroism. In: Applied Physics / A, Materials Science and Processing. 2002, 74, pp. 747-753. Available under: doi: 10.1007/s003390201302eng
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    <dcterms:abstract xml:lang="eng">Highly a-axis-textured CrO2 films have been deposited on Al2O3 (0001) substrates by chemical vapor deposition. CrO2 has been found to have highly a-axis (010)-oriented columnar growth on a Cr2O3 (0001) initial layer. The sixfold surface symmetry of the Cr2O3 initial layer leads to three equivalent in-plane orientations of the a-axis-oriented CrO2 unit cell. We report Cr L2,3 X-ray magnetic circular dichroism data along the surface normal and at 60° off-normal sample orientation. For a 60° sample alignment, a strong increase of the projected orbital moment could be observed for unoccupied majority t2g states using moment analysis. Therefore, the c axis is identified as the intrinsic magnetic easy axis of CrO2. In addition, a small spin moment and a very strong magnetic dipole term Tz have been found.</dcterms:abstract>
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kops.sourcefield.plainApplied Physics / A, Materials Science and Processing. 2002, 74, pp. 747-753. Available under: doi: 10.1007/s003390201302eng
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