... angle withenhancing of the Zr doping content x. And the latticeparame ter a and c increase monotonously with the con-tent × increasing (shown in Figure 1(c)) based on theresults of F igure 1(a). ... same hexagonal wurtzite structureas pure ZnO NPs, the increase in a and c parameter asa function of Zr concentration is consistent with thesubstitution of Zn2+ions (0.74 Å) by Zr4+ions (0.84 ... Effect of indium incorporation in Zn1-xCoxO thin films. J Magn Magn Mater 2009,321:966.13. Tong LN, He XM, Han HB, Hu JL, Xia AL, Tong Y: Effects of H2annealing on ferromagnetism of Ni-doped...