Automatic shutdown system of alternating current electrochemical etching for the preparation of a platinum/iridium tip for scanning tunneling microscopy and the investigation of the byproduct of platinum chloride particles

The automatic shutdown system of alternating current (AC) etching for fabricating platinum/iridium (Pt/Ir) wire to produce a tip used for scanning tunneling microscopy (STM) has been developed. We have modified a conventional automatic shutdown system of direct current (DC) etching, usually used for...

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