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Rohit Abraham John

Researcher at Nanyang Technological University

Publications -  42
Citations -  1657

Rohit Abraham John is an academic researcher from Nanyang Technological University. The author has contributed to research in topics: Neuromorphic engineering & Perovskite (structure). The author has an hindex of 16, co-authored 30 publications receiving 897 citations. Previous affiliations of Rohit Abraham John include ETH Zurich.

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Synergistic Gating of Electro-Iono-Photoactive 2D Chalcogenide Neuristors: Coexistence of Hebbian and Homeostatic Synaptic Metaplasticity.

TL;DR: Exploiting a novel multigated architecture incorporating electrical and optical biases, this incarnation not only addresses different charge‐trapping probabilities to finely modulate the synaptic weights, but also amalgamates neuromodulation schemes to achieve “plasticity of plasticity–metaplasticITY” via dynamic control of Hebbian spike‐time dependent plasticity and homeostatic regulation.
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Flexible Ionic‐Electronic Hybrid Oxide Synaptic TFTs with Programmable Dynamic Plasticity for Brain‐Inspired Neuromorphic Computing

TL;DR: Artificial synapses based on ionic-electronic hybrid oxide-based transistors on rigid and flexible substrates are demonstrated demonstrating concurrent processing and memory functionalities with spatiotemporal correlation.
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Ionotronic Halide Perovskite Drift-Diffusive Synapses for Low-Power Neuromorphic Computation.

TL;DR: Network-level simulations of unsupervised learning of handwritten digit images utilizing experimentally derived device parameters, validates the utility of these memristors for energy-efficient neuromorphic computation, paving way for novel ionotronic neuromorphic architectures with halide perovskites as the active material.
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Facile Water-based Spray Pyrolysis of Earth-Abundant Cu2FeSnS4 Thin Films as an Efficient Counter Electrode in Dye-Sensitized Solar Cells

TL;DR: This is the first report on the electrical properties of solution-processed Cu2FeSnS4 thin films estimated using Hall measurements, indicating that CFTS would be a promising cheaper alternative to replace Pt as a counter electrode in DSSCs.