Discovery of novel magnetism in the iridium compound CuIr2S4

The research unit that includes Associate Professor Kenji Kojima and Professor Ryosuke Kadono of the Institute of Materials Structure Science, KEK, investigated the magnetic properties of the iridium compound Cu1-xZnxIr2S4 using the muon spin rotation method. This was undertaken in collaboration with Principal Researcher Hiroyuki Suzuki and Unit Director Hideaki Kitazawa of the Advanced Key Technologies Division, NIMS. The researchers found that the host material with zero zinc concentration, (x = 0) CuIr2S4, is not nonmagnetic as previously believed, but shows novel magnetism below ~ 100 K, and that this magnetism state rapidly disappears when slight amounts of zinc (x ~ 0.01) are substituted.

from Phys.org: Physics News http://ift.tt/PonhLh

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