"Direct observation of oxygen polarization in Sr2IrO4 by O K-edge x-ray magnetic circular dichroism", R. Kadono, M. Miyazaki, M. Hiraishi, H. Okabe, A. Koda, K. Amemiya, and H. Nakao, Phys. Rev B 107 (2023) L201122(1-7).
"Direct observation of oxygen polarization in Sr2IrO4 by O K-edge x-ray magnetic circular dichroism", R. Kadono, M. Miyazaki, M. Hiraishi, H. Okabe, A. Koda, K. Amemiya, and H. Nakao, Phys. Rev B 107 (2023) L201122(1-7).