Electroforming of NbOx memristors produces correlated micrometer-scale oxygen enrichment and Pt-rich filaments via Joule heating and thermal cycling, contrary to expectations of inert Pt electrodes.
Figure S3: (a) Electroforming step of a 20 μm device with Pt/Nb/Nb₂O₅/Pt structure under current-controlled testing with a bidirectional current sweep from 0 to 800μA
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Anomalous Platinum and Oxygen Transport during Electroforming of NbOx Memristors
Electroforming of NbOx memristors produces correlated micrometer-scale oxygen enrichment and Pt-rich filaments via Joule heating and thermal cycling, contrary to expectations of inert Pt electrodes.