%0 Journal Article %K Electricity %K Electronics %K Magnetism %K Article %K Priority journal %K Ferromagnetic material %K Electromagnetic field %A J.-H Park %A E Vescovo %A H.-J Kim %A C Kwon %A Ramamoorthy Ramesh %A T Venkatesan %B Nature %D 1998 %G eng %P 794-796 %R 10.1038/33883 %T Direct evidence for a half-metallic ferromagnet %V 392