[Th-E] Poster Session

[Th-E-59] Probing the J_eff = 0 Ground State and the Van Vleck Paramagnetism of the Ir⁵⁺ Ions in Layered Sr₂Co_0.5Ir_0.5O₄

*Stefano Agrestini^1,2, Chang-Yang Kuo², Yuki Utsumi², Daria Mikhailova³, Andrei Rogalev⁴, Fabrice Wilhelm⁴, Tomohiro Takayama^5,6, Hidenori Takagi^5,6,7, Maurits W. Haverkort⁸, Zhiwei Hu², Liu Hao Tjeng², A. Matsumoto⁵ (1. CELLS-ALBA, Barcelona(Spain), 2. MPI-CPfS, Dresden(Germany), 3. IFW, Dresden(Germany), 4. ESRF, Grenoble(France), 5. University of Tokyo(Japan), 6. MPI-FKF, Stuttgart(Germany), 7. FMQ, University of Stuttgart(Germany), 8. Heidelberg University(Germany))

キーワード：spin orbit coupling, Van Vleck , XMCD