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An enhanced low-frequency dielectric constant, (ε′∼104), and ferromagnetic behavior at room temperature were observed in Bi0.99Y0.01Fe0.99Ni0.01O3 (BYFNO) ceramic sintered by a modified solid state reaction method. The anti-ferromagnetic (AFM) nature of BiFeO3 (BFO) changed to ferromagnetic (FM) with saturation magnetization, Ms, and coercivity Hc values of ∼0.03μB/f.u. and ∼250Oe, respectively at...
Ultrathin ruthenium layers, produced by atomic layer deposition for use in nanostructured devices, show a dramatic decrease in conductivity (~5×) when scaled down in thickness, from ~38×10 3 Scm −1 for 24nm films to ~8×10 3 Scm −1 for 5nm films. This suggests a significant change in the dominant mechanisms for electron scattering, as expected from Mayadas–Schatzkes...
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