Determination of specific ion positions of Cr3+ and O2− in Cr2O3 thin films and their relationship to exchange anisotropy at Co/Cr2O3 interfaces

[1 ] Department of Materials Science and Engineering, Graduate School of Engineering, Osaka University, Osaka 5650871, Japan

[2 ] Institute of Materials Structure Science, High Energy Accelerator Research Organization, Tsukuba 3050801, Japan

[3 ] Synchrotron Radiation Research Center, Nagoya University, Furo-cho, Chikusa, Nagoya 4648601, Japan

[4 ] National Institutes for Quantum and Radiological Science and Technology, Sayo 6795148, Japan