Indication of antiferromagnetic interaction between paramagnetic Co ions in the diluted magnetic semiconductor Zn${}_{1-x}$Co${}_x$O

M. Kobayashi, Y. Ishida, J. I. Hwang +9

The magnetic properties of Zn${}_{1-x}$Co${}_x$O ($x=0.07$ and 0.10) thin films, which were homo-epitaxially grown on a ZnO(0001) substrates with varying relatively high oxygen pressur…