V. Mihalache
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View article: Fe-ZnO as an oxide-dilute magnetic semiconductor in the nanostructured ZnFeO exchange bias system
Fe-ZnO as an oxide-dilute magnetic semiconductor in the nanostructured ZnFeO exchange bias system Open
Exchange biasing of oxide-DMSs (dilute magnetic semiconductors) in exchange bias nanostructures, which are essential for use in spin-based electronic devices, presents a challenge because, in the available literature, exchange coupling typ…
View article: Magnetic behaviors of exchange-biased Fe(FM)-FeO(AFM)-ZnO nanocomposites of different iron concentrations prepared under non-identical conditions with annealing in a reducing atmosphere
Magnetic behaviors of exchange-biased Fe(FM)-FeO(AFM)-ZnO nanocomposites of different iron concentrations prepared under non-identical conditions with annealing in a reducing atmosphere Open
Preparation under non-identical conditions involving the reduction of sol–gel-derived precursors of various Zn:Fe atomic ratios (0.97:0.03, 0.8:0.2 and 0.4:0.6) in a hydrogen-containing atmosphere was used to obtain composites of nanosized…
View article: Defect structures and (ferro)magnetism in Zn1-xFexO nanoparticles with the iron concentration level in the dilute regime (x = 0.001 – 0.01) prepared from acetate precursors
Defect structures and (ferro)magnetism in Zn1-xFexO nanoparticles with the iron concentration level in the dilute regime (x = 0.001 – 0.01) prepared from acetate precursors Open
Zn1-xFexO nanoparticles with the iron concentrations level in the dilute regime (x = 0.001–––0.01) were produced by a sol–gel route from acetate precursors along with an un-doped and 3 at.% Fe-doped reference. The X-ray diffraction of the …
View article: Anomalous splitting of the first penetration peak in the local magnetization of Bi2Sr2CaCu2O8+y single crystals
Anomalous splitting of the first penetration peak in the local magnetization of Bi2Sr2CaCu2O8+y single crystals Open
A scanning Hall probe microscope (SHPM) with an effective spatial resolution of ∼1 μm has been used to study the local induction in high quality superconducting Bi2Sr2CaCu2O 8+δ single crystals at high temperatures and low magnetic fields.…