Published in
Royal Society of Chemistry, CrystEngComm, 47(16), p. 10741-10745
DOI: 10.1039/c4ce01817f
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Functional spinel oxide heterostructures on silicon
Journal article published in 2014 by
Romain Bachelet 
,
Patricia de Coux,
P. De Coux,
Bénédicte Warot-Fonrose,
Vassil Skumryev,
Gang Niu,
Bertrand Vilquin,
Guillaume Saint-Girons,
Florencio Sanchez,
Florencio Sánchez
,
Patricia de Coux,
P. De Coux,
Bénédicte Warot-Fonrose,
Vassil Skumryev,
Gang Niu,
Bertrand Vilquin,
Guillaume Saint-Girons,
Florencio Sanchez,
Florencio Sánchez
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Abstract
Novel spinel heteroepitaxial structures composed of ferrimagnetic spinel CoFe2O4 (CFO) and ultrathin gamma-Al2O3 buffer-layers are integrated on Si(111). Flat (111)-oriented epitaxial CFO films with only two in-plane domains induced by gamma-Al2O3 are ferromagnetic at room temperature with high saturation magnetization. These results open perspectives for using functional spinel layers on silicon for monolithic devices.