1. T. Ohashi, N. Katayama, K. Kojima, M. Emi, C. Koyama, T. Hara, K. Hashimoto, S. Kitani, H. Kawaji, H.S. Suzuki, S. Nagata, K. Sugimoto, K. Iida, H. Sawa.
"Re-examination of the charge-orderd dimer pattern in the spinel compound CuIr2S4 using single-crystal synchrotron x-ray diffraction"