Volume 37, Number 7, March I 1997
|Page(s)||465 - 470|
|Section||Condensed matter: structure, thermal and mechanical properties|
|Published online||01 September 2002|
Fe structural and magnetic phases in Fe/Ni81Fe19(001) multilayers
IBM Research Division, Almaden Research Center, 650 Harry Road, San Jose, CA 95120, USA
Accepted: 24 January 1997
The structure of epitaxially sputtered single-crystalline multilayers was studied using X-ray diffraction. As the thickness of the Fe layers is increased the structure of the Fe layers changes from vertically expanded fcc (001) to relaxed fcc (001), and finally, to bcc (011), thus identically replicating the structural behavior found in thin Fe films on Cu(001) single crystals. Corresponding to the structural transitions of the Fe layers are changes in the magnetic properties. The relaxed fcc phase contains non-magnetic Fe, which can lead to antiferromagnetic coupling of the layers across the Fe layers.
PACS: 61.10.-i – X-ray diffraction and scattering / 68.65.+g – Low-dimensional structures (superlattices, quantum well structures, multilayers): structure, and nonelectronic properties / 75.70.-i – Magnetic films and multilayers
© EDP Sciences, 1997
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