posted on 2025-02-26, 13:01authored byYuto Nishiwaki, Toru Utsunomiya, Shu Kurokawa, Takashi Ichii
S1. Control of applied voltage by automatic shutdown circuit.
S2. Etching parameter dependence of the tip shape and comparison with conventional
method without amplitude modulation.
S3. Evaluation of the reproducibility of etched tips by consecutive fabrication.
S4. STM images of platinum-deposited mica substrates acquired over a wide area.