Optical readout of charge carriers stored in a 2D memory cell of monolayer WSe2

• DOI: 10.1039/d3nr04263d
• Publication Date: 2024-01-19T00:23:20Z
• Authors: Si Li; Kan Liao; Yanfeng Bi; Ke Ding; Encheng Sun; Chunfeng Zhang; Lin Wang; Fengrui Hu; Min Xiao; Xiaoyong Wang
• Keywords: 0210 nano-technology; 0104 chemical sciences

A quasi-one-terminal 2D memory cell is constructed by partially depositing a WSe2 monolayer on an Au electrode, with stored charge carriers optically probed to yield an electron retention time of ∼300 s at the cryogenic temperature of 4 K.