L.S.Dorneles, M Venkatesan, M. Moliner, J.G. Lunney and J. M. D. Coey, Magnetism in thin films of CaB6 and SrB6, Applied Physics Letters, 85, 26, 2004, 6377, 6379
Series/Report no.:
85 26 Applied Physics Letters
Abstract:
Thin films of disordered hexaborides CaB6 and SrB6 deposited by pulsed-laser deposition on MgO
(100) or Al2O3 (001) substrates are ferromagnetic. A typical room-temperature moment per unit area
of substrate is 350 mB nm��2, with the largest values being found for CaB6 on Al2O3. Lattice defects
are the likely origin of the exotic, high-temperature magnetism. The moment, which is present in
films as thin as 12 nm, appears to reside in an interface layer whose polarization is approximately
0.4 Tesla.
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