Tc up 12 K
By modifying the SrTiO3 surface with metallic δ-doping, the zero-resistance temperature of monolayer FeSe films is increased by 12 K with a narrowed transition width.
Jiao, Xiaotong · Dong, Wenfeng · Wang, Heng · Ding, Cui · Wei, Zhongxu · Gong, Guanming · Li, Yanan · Li, Yuanzhao · Zuo, Binjie · Wang, Jian · Zhang, Ding · Pan, Minghu · Wang, Lili · Qi-Kun, Xue
National Science Review 2024
T0 enhanced by 12 K
transition width ΔTc ~ 8 K
pairing temperature 65–83 K