Evidence for Insulating Behavior in the Electric Conduction of (NH${}_3$)K${}_3$C${}_{60}$ Systems

H. Kitano, R. Matsuo, K. Miwa +4

Microwave study using cavity perturbation technique revealed that the conductivity of antiferromagnet (NH${}_3$)K${}_{3-x}$Rb${}_x$C${}_{60}$ at 200K is already 3-4 orders of magnitude sma…