Investigation of analog resistive switching dynamics in microwave-assisted Fe3O4 based memristor for neuromorphic application

Vivek Pratap Singh, Chandra Prakash Singh, Harsh Ranjan, Saurabh Kumar Pandey

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

In this report, we have studied resistive switching (RS) dynamics in the microwave-assisted magnetite (Fe3O4) based memristive device by having Platinum (Pt) and Fluorine-doped-Tin-Oxide (FTO) as metal electrodes. Fe3O4 insulating layer film has been examined by using X-ray diffraction (XRD), energy dispersive X-ray (EDX), and field emission scanning electron microscopy (FESEM), respectively, for crystal structure, elemental composition, and surface microstructure. The electrical response of the fabricated memristive device has been observed by using Keithley-4200 parameter analyzer with −0.4 V/+0.4 V and −0.8 V/+0.8 V DC sweeping voltage at room temperature. The fabricated device has shown analog resistive switching (ARS); therefore potentiation/depression behavior of the device has been observed by applying multiple positive and negative pulses for evaluation of its synaptic performance.

Original languageEnglish
Article number134431
JournalMaterials Letters
Volume344
DOIs
StatePublished - 1 Aug 2023

Keywords

  • Deposition
  • Interface
  • Nanocrystalline materials
  • Thin films

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