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Keywords:

  • chemical immobilization;
  • nanodevices;
  • ferritin;
  • memristors;
  • lithography
Thumbnail image of graphical abstract

A controllable and reproducible bipolar memristive protein nanodevice is fabricated by chemical immobilization of ferritin molecules within on-wire lithography-generated nanogaps. Control experiments suggest that programmable resistive switching is due to the electrochemical processes in the active centre of ferritin. Such ferritin-based nanodevices with reversible resistance can be used for nonvolatile memory based on write-read-erase cycles.