Feng Jia-Feng, Chen Xing, Wei Hong-Xiang, Chen Peng, Lan Gui-Bin, Liu Yao-Wen, Guo Jing-Hong, Huang Hui, Han Xiu-Feng. Key performance of tunneling magnetoresistance sensing unit modulated by exchange bias of free layerJ. Acta Physica Sinica, 2023, 72(19): 197103. DOI: 10.7498/aps.72.20231003