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Ferromagnetism in CuO–ZnO multilayers
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) XRD patterns of CuO, ZCZ, and samples on sapphire substrate. The arrows show the CuO reflections. (b) RBS spectra of .

Image of FIG. 2.
FIG. 2.

(a) Hysteresis loops of CuO, ZCZ, and samples measured as a function of external applied field at . (Inset) hysteresis loop measured at after ZFC (closed circle) and FC (open circle) in for . The linear field dependence at high field is subtracted from the data. (b) Magnetization measured as a function of temperature, at magnetic field of . The ZFC (open symbols) and FC (filled symbols) were obtained after field cooling the sample from 300 down to without and with the applied magnetic field, respectively.

Image of FIG. 3.
FIG. 3.

(a) The PNR data and fits for . The inset table shows the model parameters: -thickness; -nuclear scattering length density; -roughness. (b) Three different magnetic models: (1) magnetized on each side of the interface, (2) only the CuO layers magnetized, and (3) the entire sample magnetized. (c) The measured spin asymmetry at the first order superlattice Bragg position and calculations corresponding to each of the models in (b).


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ferromagnetism in CuO–ZnO multilayers