Effect of Ar ion irradiation on the room temperature ferromagnetism of undoped and Cu-doped rutile TiO<sub>2</sub> single crystals

Effect of Ar ion irradiation on the room temperature ferromagnetism of undoped and Cu-doped rutile TiO₂ single crystals

Xu Nan-Nan¹, Li Gong-Ping^{1, 2, †,}, Lin Qiao-Lu¹, Liu Huan¹, Bao Liang-Man³

DBES measurements of the defined S-parameter as a function of the mean positron implantation depth. The upper horizontal axis shows the corresponding positron implantation energy. Insets are the corresponding S–W maps.