1. Magnetic properties of sputtered Permalloy/molybdenum multilayers.
- Author
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Romera, M., Ranchal, R., Ciudad, D., Maicas, M., and Aroca, C.
- Subjects
MAGNETIC properties ,MOLYBDENUM ,THIN film research ,ANISOTROPY ,MAGNETIC materials ,MAGNETIC alloys - Abstract
In this work, we report the magnetic properties of sputtered Permalloy (Py: Ni80Fe20)/molybdenum (Mo) multilayer thin films. We show that it is possible to maintain a low coercivity and a high permeability in thick sputtered Py films when reducing the out-of-plane component of the anisotropy by inserting thin film spacers of a non-magnetic material like Mo. For these kind of multilayers, we have found coercivities which are close to those for single layer films with no out-of-plane anisotropy. The coercivity is also dependent on the number of layers exhibiting a minimum value when each single Py layer has a thickness close to the transition thickness between Neel and Bloch domain walls. [ABSTRACT FROM AUTHOR]
- Published
- 2011
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