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(a) XRD spectra of studied samples. (b) Close-up of the (100) peaks, highlighting the shift with Cu doping. (c) Dependence of the lattice parameters and the unit cell volume on the Cu doping level. Solid straight lines are guide for the eyes.
(a) Room temperature vs curves of studied samples. (b) Enlarged view of the corresponding low field region. (c) Temperature dependence of the saturation magnetization measured in .
(a) Temperature dependent resistivity of studied samples. (b) vs curves. The straight lines are guide for the eyes.
[(a) and (c)] Total and partial density of states of and , respectively, calculated by using the GGA method. [(b) and (d)] Corresponding DOS data calculated via the method with for Zn and for Cu. Top (red) and bottom (blue) curves represent up and down spin states, respectively.
Electrical transport fitting parameters and measured room temperature electron concentration in .
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