Xu Zhang, Tongshuai Zhu, Shuai Zhang, Zhongqiang Chen, Anke Song, Chong Zhang, Rongzheng Gao, Wei Niu, Yequan Chen, Fucong Fei, Yilin Tai, Guoan Li, Binghui Ge, Wenkai Lou, Jie Shen, Haijun Zhang, Kai Chang, Fengqi Song, Rong Zhang, Xuefeng Wang
Nonlinear transport is a unique functionality of noncentrosymmetric systems, which reflects profound physics, such as spin-orbit interaction, superconductivity and band geometry. However, it remains highly challenging to enhance the nonreciprocal transport for promising rectification devices. Here, we observe a light-induced giant enhancement of nonreciprocal transport at the superconducting and epitaxial CaZrO3 /KTaO3 (111) interfaces. The nonreciprocal transport coefficient undergoes a giant increase with three orders of magnitude up to 105 A-1 T-1 ...
April 6, 2024: Nature Communications