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Thinnest Light Disk
In article number 2103140, Hongwei Liu, Junpeng Lu, Yunfei Chen, Zhenhua Ni, and co‐workers present the thinnest light disk with an encryption functionality based on WS2 monolayers. The writing‐in and reading‐out of information are enabled by directly controlling the fluorescence contrast of the WS2 monolayers. The writing speed can be up to ≈6.25 MB s−1, while the data storage...
The thinnest light disk is demonstrated at the atomic level by developing an erasable method to directly write encrypted information onto WS2 monolayers. The write‐in is realized by precise control of photoluminescence emission by means of ozone functionalization and scanning focused laser beam. The visual decryption and reading‐out of information are enabled by fluorescence contrast. The high encryption...
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