Tuning the thermal conductivity of strontium titanate through annealing treatments

Zhang Liang¹, Li Ning¹, Wang Hui-Qiong^{1, 3, †}, Zhang Yufeng¹, Ren Fei¹, Liao Xia-Xia¹, Li Ya-Ping¹, Wang Xiao-Dan¹, Huang Zheng¹, Dai Yang⁴, Yan Hao⁴, Zheng Jin-Cheng^{1, 2, 3, ‡}

(color online) (a) O K-edge and (b) Ti L-edge NEXAFS spectra of the annealed SrTiO sample, compared with as-received SrTiO sample. The calculated O 2p and Ti 3d PDOS of SrTiO is shown in panel (a) as reference.