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| Hauptseite > Publikationsdatenbank > Spinodal decomposition under layer by layer growth condition and high Curie temperature quasi-one-dimensional nano-structure in dilute magnetic semiconductors |
| Hauptseite > Publikationsdatenbank > Spinodal decomposition under layer by layer growth condition and high Curie temperature quasi-one-dimensional nano-structure in dilute magnetic semiconductors |
| Journal Article | PreJuSER-56059 |
; ; ;
2006
Inst. of Pure and Applied Physics
Tokyo
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Please use a persistent id in citations: doi:10.1143/JJAP.45.L416
Abstract: We show that spinodal decomposition under layer by layer crystal growth condition leads to characteristic quasi-one-dimensional nano-structures in dilute magnetic semiconductors (DMS). It is found that the DMS systems can form rather large clusters with highly anisotropic shape even for low concentrations. It is suggested that the blocking phenomena in the super-paramagnetism, the magnetic dipole-dipole interaction and the network of the one-dimensional structures should be considered to understand the magnetism in DMS. Based on the present simulations, we propose that the delta-doping method can be effective approach to realize high Curie temperature.
Keyword(s): J ; dilute magnetic semiconductor (auto) ; spinodal decomposition (auto) ; layer by layer growth (auto) ; one-dimensional structure (auto) ; super-paramagnetism (auto) ; blocking phenomena (auto) ; magnetic anisotropy (auto) ; dipole-dipole interaction (auto)
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