Romain Bachelet,* Patricia de Coux, Bénédicte Warot-Fonrose, Vassil Skumryev, Gang Niu, Bertrand Vilquin, Guillaume Saint-Girons and Florencio Sánchez.
CrystEngComm, 2014,16, 10741-10745
Novel spinel heteroepitaxial structures composed of ferrimagnetic spinel CoFe2O4 (CFO) and ultrathin γ-Al2O3 buffer layers are integrated on Si(111). Flat (111)-oriented epitaxial CFO films with only two in-plane domains induced by γ-Al2O3 are ferromagnetic at room temperature with high saturation magnetization. These results open the prospect of using functional spinel layers on silicon for monolithic devices.
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Oxides for new-generation electronics
Functional spinel oxide heterostructures on silicon
