Nanometers-thick self-organized Fe stripes: bridging the gap between surfaces and magnetic materials

Details Nanometers-thick self-organized Fe stripes: bridging the gap between surfaces and magnetic materials Nanometers-thick self-organized Fe stripes: bridging the gap between surfaces and magnetic materials

2003-09-29

arxiv.org/abs/cond-mat/0309681v2

Applied Physics Letters 84 (2004) 1335

Physics

Condensed Matter

Materials Science

Scientific paper

10.1063/1.1650902

We have fabricated 5nm-high Fe(110) stripes by self-organized (SO) growth on a slightly vicinal R(110)/Al2O3(11-20) surface, with R=Mo, W. Remanence, coercivity and domain patterns were observed at room temperature (RT). This contrasts with conventional SO epitaxial systems, that are superparamagnetic or even non-magnetic at RT due to their flatness. Our process should help to overcome superparamagnetism without compromise on the lateral size if SO systems are ever to be used in applications.

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