Nanotech 2007 Vol. 1
Nanotech 2007 Vol. 1
Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 1

Nanostructured Materials and Devices Chapter 5

Structural and magnetic characterization of 3d metal clusters embedded in fullerite matrices

Authors: C.-M. Teodorescu and D. Macovei

Affilation: National Institute of Materials Physics, Romania

Pages: 377 - 380

Keywords: metal clusters, fullerenes, magnetism, XPS, EXAFS, XRD, XMCD, MOKE

Metal clusters embedded in fullerite matrices are produced by high vacuum co-evaporation. XPS and X-ray absorption revealed that the metal clusters are protected against contamination. XRD analysis is used to determine the average custer size, which ranges from 3 to 20 nm. The fullerite matrix presents long-range ordering. XMCD is used to investigate separately the spin and orbital moments. These measurements revealed antiferromagnetic coupling between surface and bulk atoms. Giant orbital moments for the surface atoms are found from XMCD sum rule analysis. MOKE is used to identify the magnetic anisotropy of the films.

ISBN: 1-4200-6182-8
Pages: 726
Hardcopy: $139.95

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