Transition from amorphous Fe to polycrystalline body-centred-cubic Fe in Gd/Fe and Dy/Fe multilayered thin films

Engl, Karl and Brunner, W. and Zweck, Josef (2002) Transition from amorphous Fe to polycrystalline body-centred-cubic Fe in Gd/Fe and Dy/Fe multilayered thin films. JOURNAL OF PHYSICS-CONDENSED MATTER, 14 (43). pp. 10033-10040. ISSN 0953-8984

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Abstract

Rare-earth/iron multilayered thin films were magnetron sputtered to investigate the thickness-dependent transition from amorphous iron to polycrystalline body-centred-cubic iron. To characterize this transition it is necessary to get information about the average short-range order (SRO) in the multilayers. A unique technique for measuring this SRO is calculating pair distribution functions (PDFs) from reduced intensity functions by using high-energy electron diffraction in a 300 kV transmission electron microscope. With a maximum resolution in the PDFs of 0.024 nm, this method offers a high sensitivity for the investigation of the SRO. Due to the planar probing characteristics of the experiment, one gets structure. information on interfaces rather than from the bulk structure. A further advantage of this method is that no specimen preparation is necessary. Therefore preparation artefacts can be excluded.

Item Type: Article
Uncontrolled Keywords: ELECTRON-DIFFRACTION;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Josef Zweck
Depositing User: Dr. Gernot Deinzer
Date Deposited: 26 Aug 2021 12:40
Last Modified: 26 Aug 2021 12:40
URI: https://pred.uni-regensburg.de/id/eprint/39690

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