α-In2Se3 Ferroelectric Memristors

Tactile switching

Uses triboelectricity instead of large strain gradients, reducing mechanical force for polarization reversal to a record-low 10 kPa.

Wang, Baoyu · Xin, He · Luo, Jianjun · Chen, Yitong · Zhang, Zhixiang · Wang, Ding · Shangui, Lan · Wang, Peijian · Xun, Han · Zhao, Yuda · Li, Zheng · Hu, Huan · Xu, Yang · Luo, Zhengdong · Hu, Weijin · Zhu, Bowen · Sun, Jian · Liu, Yan · Han, Genquan · Zhang, Xixiang · Yu, Bin · Chang, Kai · Xue, Fei

Science Advances 2025

Specifications

record-low mechanical force

{'zh': '~10', 'en': '~10'} kPa

Advantages

Multilevel resistance states under different mechanical forces

Reversal achieved with tactile touches