X-ray detected magnetic resonance at the Fe K-edge in YIG: Forced precession of magnetically polarized orbital components
| Autor: | J. Ben Youssef, Andrei Rogalev, C. Goulon-Ginet, G. Goujon, Fabrice Wilhelm, M.V. Indenbom, Nicolas Jaouen, José Goulon |
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| Přispěvatelé: | European Synchrotron Radiation Facility (ESRF), Synchrotron SOLEIL (SSOLEIL), Centre National de la Recherche Scientifique (CNRS), Risques, Ecosystèmes, Vulnérabilité, Environnement, Résilience (RECOVER), Aix Marseille Université (AMU)-Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA), Laboratoire de magnétisme de Bretagne (LMB), Université de Brest (UBO)-Institut Brestois du Numérique et des Mathématiques (IBNM), Université de Brest (UBO)-Centre National de la Recherche Scientifique (CNRS), Ben Youssef, Jamal, Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)-Aix Marseille Université (AMU) |
| Rok vydání: | 2005 |
| Předmět: |
Materials science
Physics and Astronomy (miscellaneous) Astrophysics::High Energy Astrophysical Phenomena Yttrium iron garnet 02 engineering and technology 01 natural sciences [PHYS] Physics [physics] Condensed Matter::Materials Science Magnetization chemistry.chemical_compound 0103 physical sciences [PHYS.COND]Physics [physics]/Condensed Matter [cond-mat] 010306 general physics ComputingMilieux_MISCELLANEOUS [PHYS]Physics [physics] Larmor precession Condensed matter physics Magnetic moment Magnetic circular dichroism Gadolinium gallium garnet 021001 nanoscience & nanotechnology chemistry X-ray magnetic circular dichroism Precession 0210 nano-technology [PHYS.COND] Physics [physics]/Condensed Matter [cond-mat] |
| Zdroj: | JETP Letters JETP Letters, Springer Verlag, 2005, 82 (11), pp.696-701 JETP Letters, 2005, 82 (11), pp.696-701 |
| ISSN: | 1090-6487 0021-3640 |
| Popis: | X-ray detected magnetic resonance (XDMR) has been measured for the first time on exciting the Fe K-edge in a high-quality yttrium iron garnet film epitaxially grown on a gadolinium gallium garnet substrate. This challenging experiment required resonant pumping of yttrium iron garnet at high microwave power, i.e., in the foldover regime. X-ray magnetic circular dichroism (XMCD) was used to probe the change in the longitudinal component of the magnetization M Z induced by the precession of magnetic moments located at the iron sites. Since XMCD at the Fe K-edge refers mostly to the equilibrium contribution of magnetically polarized 4p orbital components, XDMR at the Fe K-edge should reflect the precessional dynamics of the latter orbital moments. From the measured precession angle, we show that there is no dynamical quenching of the polarized orbital components at the iron sites in yttrium iron garnet. |
| Databáze: | OpenAIRE |
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