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Letter

Nature Materials 8, 189–193 (1 March 2009) | doi:10.1038/nmat2376

Supramolecular control of the magnetic anisotropy in|[nbsp]|two-dimensional high-spin Fe arrays at a metal|[nbsp]|interface

Pietro Gambardella , Sebastian Stepanow , Alexandre Dmitriev , Jan Honolka , Frank M. F. de Groot , Magal|[iacute]| Lingenfelder , Subhra Sen Gupta , D. D. Sarma , Peter Bencok , Stefan Stanescu , Sylvain Clair , St|[eacute]|phane Pons , Nian Lin , Ari P. Seitsonen , Harald Brune , Johannes V. Barth & Klaus Kern

Magnetic atoms at surfaces are a rich model system for solid-state magnetic bits exhibiting either classical or quantum behaviour. Individual atoms, however, are difficult to arrange in regular patterns.