The new alloy system based on transition metal oxides and typical metal oxides with corundum structure (a) and a schematic image of perfect coherent growth system in a heterojunction (b).
Diffraction spots of plan-view observation image of α-(Ga0.56Fe0.44)2O3 thin film (a) and α-(Ga0.56Fe0.44)2O3/α-Al2O3 interface viewed along (b).
Cross-sectional TEM images of α-(Ga0.56Fe0.44)2O3/α-Al2O3 interface viewed along . (b) is the enlarged image of (a).
Results of TEM-EDX measurement of plan-view observation image of α-(Ga0.56Fe0.44)2O3 thin film (a) and α-(Ga0.56Fe0.44)2O3/α-Al2O3 interface (b) and the composition distributions of oxygen, Fe, Ga, and Al elements drew by different colors.
M-H curves of α-(Ga1− x Fe x )2O3 alloy thin films depend on Fe concentrations at 110 K with the magnetic field was applied parallel to the c-axis.
Magnetic properties of the α-(Ga0.42Fe0.58)2O3 thin film of x = 0.58. The figure shows the M-H curve measured at T = 110 K and 300 K with the right side of the M-T curve measured at H = 1000 Oe with the magnetic field was applied perpendicular to the c-axis, respectively.
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