X-ray reflectivity at the L edges of Gd

Preparations are underway for the experimental investigation of the roughness of magnetic interfaces in rare-earth multilayers by combining the grazing-angle X-ray scattering technique with the resonant magnetic scattering of hard X-rays. Theoretical considerations show that for small scattering ang...

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Veröffentlicht in:Journal of synchrotron radiation. - 1994. - 4(1997), Pt 3 vom: 01. Mai, Seite 175-9
1. Verfasser: Ishimatsu, N (VerfasserIn)
Weitere Verfasser: Venkataraman, C T, Hashizume, H, Hosoito, N, Namikawa, K, Iwazumi, T
Format: Aufsatz
Sprache:English
Veröffentlicht: 1997
Zugriff auf das übergeordnete Werk:Journal of synchrotron radiation
Schlagworte:Journal Article
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520 |a Preparations are underway for the experimental investigation of the roughness of magnetic interfaces in rare-earth multilayers by combining the grazing-angle X-ray scattering technique with the resonant magnetic scattering of hard X-rays. Theoretical considerations show that for small scattering angles, 2theta, the asymmetry ratio, A = [I(+) - I(-)]/[I(+) + I(-)], depends on 2theta and varies as 1/cos theta. The first step towards the goal of determining the magnetic roughness has been taken by measuring the chemical roughness (via specular reflectivity) of a Gd thin-film sample at five photon energies close to the L(3) absorption edge, which yielded the dispersion corrections, f' and f'', to the Gd atomic form factor in good agreement with the calculation of Cromer & Liberman [J. Chem. Phys. (1970), 53, 1891-1898] 
650 4 |a Journal Article 
700 1 |a Venkataraman, C T  |e verfasserin  |4 aut 
700 1 |a Hashizume, H  |e verfasserin  |4 aut 
700 1 |a Hosoito, N  |e verfasserin  |4 aut 
700 1 |a Namikawa, K  |e verfasserin  |4 aut 
700 1 |a Iwazumi, T  |e verfasserin  |4 aut 
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