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Start Over Author "Chen, M.Y." Journal thin solid films
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4. Magnetic properties and microstructures of perpendicular anisotropy (SmCo7/Cu) n films

Author

Tsai, J.L., Chen, M.Y., Lin, G.B., and Ou, C.L.

Subjects
*MAGNETIC films, *MICROSTRUCTURE, *INTERMETALLIC compounds, *SPUTTERING (Physics), *ANNEALING of metals, *KIRKENDALL effect, *FERROMAGNETIC materials, *MAGNETIC domain
Abstract

Abstract: Pseudobinary SmCo7− x Cu x intermetallic compound films with a TbCu7-type structure were prepared by sputtered (SmCo7/Cu) n multilayer. After annealing, the spacer layer Cu (0.5–1.5 nm) diffused into the SmCo7 matrix and stabilized the SmCo7 meta-stable phase. The resulting microstructure was investigated by transmission electron microscopy. Perpendicular anisotropy was obtained by introducing a Cu/Ti dual underlayer during sputtering, resulting in prefer-orientated SmCo7 (00L) X-ray diffraction peaks. This study observes a maze-like domain pattern in perpendicular anisotropy films and finds single- and multi-domain particles in correlated AFM and MFM images. [Copyright &y& Elsevier]

Published
2009
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