Schematic of the wax-assisted exfoliation process: (IMAGE)

Science China Press

Schematic of the wax-assisted exfoliation process:

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MnBi2Te4 crystals adhere to softened wax at elevated temperatures; upon cooling, the wax solidifies into a rigid and transparent protective shell. Repeated exfoliation on the wax surface yields large-area, smooth flakes suitable for transfer and device fabrication.

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